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A study of variations in floristic composition of highveld in the eastern Transvaal
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: D.L. Barnes --- Department of Agriculture (Transvaal Region), B.H. Beukes --- Department of Agriculture (Transvaal Region), G.D. Kotzé --- Department of Agriculture (Transvaal Region),Floristic surveys of two 1500m line transects in veld provided data which indicated the nature of variations in veld composition, expressed in terms of species, palatability classes or weighted palatability classes. The transects were subjectively subdivided into units comprising relatively... -
A survey of grazed and ungrazed grassland in the south‐eastern Transvaal highveld 1. Palatability composition and grazing capacity
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: D.L. Barnes --- Department of Agricultural Development (Transvaal Region), Republic of South AfricaThe floristic composition of selected veld communities which by virtue of their location were ungrazed, but regularly burned, and which were judged to reflect potential floristic composition, was measured at 112 sites in the southeastern Transvaal highveld. At each site... -
Variations in floristic and palatability composition, yield of veld and of soil characteristics on a paddock scale
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: D.L. Barnes --- Department of Agriculture and Water Supply (Transvaal Region), Republic of South Africa G.D. Kotzé --- Department of Agriculture and Water Supply (Transvaal Region), Republic of South Africa B.H. Beukes --- Department of Agriculture and Water Supply (Transvaal Region), Republic of South Africa C. Kohlmeyer --- Department of Agriculture and Water Supply (Transvaal Region), Republic of South AfricaFive parallel 900-m line-transects were laid out 100 m apart in relatively homogeneous veld. Floristic composition, yields of dry matter, soil forms and series, effective depth, clay content of the top and subsoil, and the pH of the topsoil were... -
Influence of mono- and biculture cover cropping systems on soil polysaccharides and aggregate stability in a sandy loam Oakleaf soil in Eastern Cape, South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: HA Mupambwa --- Department of Agronomy, South Africa IIC Wakindiki --- Department of Agronomy, South AfricaMono- and biculture cropping systems are thought to affect aggregate stability by influencing soil polysaccharides but the exact relationship is uncertain. The objective of this study was to determine the effects of cover cropping systems on polysaccharides and aggregate stability... -
Quantifying commercial catch and effort of monkfish Lophius vomerinus and L. vaillanti off Namibia
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: L. Maartens A. J. BoothAbundance and exploitation patterns of monkfish Lophius vomerinus and L. vaillanti were investigated for use as inputs into a stock assessment framework to be used for management of the Namibian monkfish resource. Total numbers of monkfish caught per size-class were... -
LEAF AREA AS A MEASURE OF STANDING CROP OF FLOATING AQUATIC MACROPHYTES
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: P.C. Keulder --- Department of Botany, South AfricaLeaf area is evaluated as a measure of standing crop of Salvinia molesta Mitchell and Azolla filiculoides Lam. cultures under controlled conditions. Growth rates as derived from leaf area determinations agreed with pigment extractions and fresh and dry weight measures... -
Merino sheep responses to different stocking rates and seasonal variation under rangeland conditions of Lesotho
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: LM Mpiti-Shakhane GY Kanyama-Phiri WO Odenya JW BandaMerino sheep responses to stocking rates were determined over a one-year period. The experimental design consisted of three stocking rates; light (2.0ha LSU-1), moderate (1.25ha LSU-1) and heavy (0.5ha LSU-1) in a Randomised Complete Block Design with three replicates per... -
The influence of various types and frequencies of rest on the production and condition of sourveld grazed by sheep or cattle. 2. Vigour
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: KP KirkmanTreatments involving a full growing season rest in alternate years, half a growing season rest (late season) in alternate years and no rest were applied to veld grazed by sheep or cattle at similar stocking rates. Residual effects of the... -
Factors affecting in sacco dietary degradation by Ankole cattle grazing natural range pastures in Uganda
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: S Okello EN Sabiiti HJ SchwartzThe in sacco disappearance of dietary dry matter after 48h of incubation in the rumen (DMd) was examined for its relationship with seasonal changes in neutral detergent fibre (NDFd), crude protein (CPd), cellulose (CELL), hemicellulose (HCELL), acid detergent lignin (ADLd)... -
Analysis of individual tree volume equations for Cupressus lusitanica in Munessa forest, Ethiopia
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: T. TeshomeThree different volume equations were fitted to individual tree volume (V) data collected on 260 Cupressus lusitanica trees from 49 plantations in Munessa Shashemene Forest, Ethiopia. The data were first split randomly into equation development and equation testing data sets... -
On the Difference of Orthonormal Polynomials
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: D.G. Kubayi H.P. MasheleWe establish an estimate on the difference of orthonormal polynomials for a general class of exponential weights. -
Extension of the Dirichlet-Jordan Convergence Criterion for Exponential Weights
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: H.P. MasheleThe well-known Dirichlet-Jordan Criterion for Fourier series states that the trigonometric Fourier series of a 2π periodic function f having bounded variation converges to ½[f(x + 0) + f(x – 0)] for every x and this convergence is uniform on... -
Function spaces and d-separability
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: VladimirV. TkachukThe object of this paper is to study when a function space is d-separable, i.e., has a dense σ-discrete subspace. Several sufficient conditions are obtained for C p(X) to be d-separable; as an application it is proved that C p(X)... -
Schur spaces and weighted spaces of type H ∞
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Alejandro Miralles --- Instituto Universitario de Matemáticas y Aplicaciones de Castelló (IMAC), Departamento de Matemáticas, SpainWe extend some results related to composition operators on H υ(G) to arbitrary linear operators on H υ0(G) and H υ(G). We also give examples of rank-one operators on H υ(G) which cannot be approximated by composition operators. -
Superposition operators between weighted spaces of analytic functions
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Christopher Boyd --- School of Mathematical Sciences, Ireland Pilar Rueda --- Departamento de Análisis Matemático, Facultad de Matemáticas, SpainWe study the existence and the continuity of superposition operators between weighted spaces of holomorphic functions in terms of the weights. -
Sharks caught in the protective gill nets off KwaZulu-Natal, South Africa. 10. The dusky shark Carcharhinus obscurus (Lesueur 1818)
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: SFJ Dudley G Cliff MP Zungu MJ SmaleBetween 1978 and 1999, a total of 5 626 dusky sharks Carcharhinus obscurus, constituting 20% of the total shark catch, was caught in the protective nets off KwaZulu-Natal, South Africa. The mean annual catch was 256 sharks (SD = 107.5,... -
Sharks caught in the protective gill nets off KwaZulu-Natal, South Africa. 11. The scalloped hammerhead shark Sphyrna lewini (Griffith and Smith)
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: P de Bruyn SFJ Dudley G Cliff MJ SmaleBetween 1978 and 1998, a total of 3 385 scalloped hammerhead sharks Sphyrna lewini was caught in the protective nets off KwaZulu-Natal. The mean annual catch was 166 sharks (range 60–279). There was a significant decrease in catch rate with... -
Sharks caught in the protective gill nets off KwaZulu-Natal, South Africa. 12. The African angel shark Squatina africana (Regan)
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: RL Shelmerdine G CliffBetween 1980 and 2001, a total of 661 African angel sharks Squatina africana was caught in the protective nets off KwaZulu-Natal, South Africa. The mean annual catch was 30 sharks (range = 11–69, SD = 12.4), with no trend in... -
Growth of market-size abalone (Haliotis midae) fed kelp (Ecklonia maxima) versus a low-protein commercial feed
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: TL Francis GW Maneveldt J VenterThe growth of grow-out abalone fed on kelp, with c. 10 % dry weight protein content, was compared with that of those fed on 'Feed A' (a new low-protein commercial feed of c. 26 % protein), in a flow-through system... -
Obesity and dietary behavioural changes
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: G Jardine --- Registered dietitian in private practice,Obesity is a multifactorial condition involving genetic, environmental and behavioural factors. For most people wanting to lose weight, little can be done to alter genetics or their environment. What is generally required is a change in behaviour that will result... -
Anaesthetic implications of a parturient with antiphospholipid antibody syndrome
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: T Singh --- Department of Anaesthesia, India SM Ghosh --- Department of Anaesthesia, India R Agarwala --- Department of Anaesthesia, India K Rahul --- Department of Anaesthesia, India -
Relationships between overweight, obesity and physical fitness of nine- to twelve-year-old South African children
Item type: Journal Article • Journal: South African Family Practice • Authors: L Truter --- School of Biokinetics, Recreation and Sport Science, North West University, Potchefstroom Campus, South Africa AE Pienaar --- School of Biokinetics, Recreation and Sport Science, North West University, Potchefstroom Campus, South Africa D Du Toit --- School of Education, North West University, Potchefstroom Campus, South AfricaBackground: -
Factors associated with undernutrition and overweight in elderly patients presenting at a primary care clinic in Nigeria
Item type: Journal Article • Journal: South African Family Practice • Authors: LA Adebusoye [AN0001] IO Ajayi --- Department of Epidemiology, MD Dairo --- Department of Epidemiology, AO Ogunniyi --- Department of Medicine and Consultant Physician, NigeriaBackground: Undernutrition and overweight are commonly overlooked health problems of the elderly, often due to the implicit assumption that undernutrition is a rare occurrence in old age and overweight is an invariable consequence of ageing. -
The prevalence and perception of obesity and its association with the lifestyle of women at the Mangaung University Community Partnership Project healthcare centre, Bloemfontein
Item type: Journal Article • Journal: South African Family Practice • Authors: EAM Prinsloo --- Department of Family Medicine, Faculty of Medicine and Health Sciences, United Arab Emirates G Joubert --- Department of Biostatistics, Faculty of Health Sciences, M Mohale --- School of Medicine, N Nyindi --- School of Medicine, N Matu --- School of Medicine, L Ntechane --- School of Medicine, MC Struwig --- Faculty of Health Sciences,Background: This investigation was prompted by the increase of obesity in developing countries with the simultaneous increased risk of preventable noncommunicable diseases. We aimed to determine the prevalence of obesity among women serving a predominantly black peri-urban community, who visited... -
The relationship of overweight and obesity to the motor performance of children living in South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: L Truter --- School of Biokinetics, Recreation and Sport Science, North-West University, AE Pienaar --- School of Biokinetics, Recreation and Sport Science, North-West University, D Du Toit --- School of Education, North-West University,Objectives: This study aimed to determine the relationship between overweight and obesity and the motor performance of nine- to 13-year-old South African children. -
Prevalence of raised body mass indices and the association with high blood pressure and hyperglycaemia in the rural black population of Ga-Mothapo village, Capricorn District of Limpopo province
Item type: Journal Article • Journal: South African Family Practice • Authors: DG Sengwayo --- Department of Biomedical Sciences, MM Moraba --- Department of Medical Science, SCKM Motaung --- Department of Biomedical Sciences,Objective: To assess the prevalence of elevated body mass index and to establish whether there was an association between raised body mass index (BMI) and high blood pressure (BP) and hyperglycaemia in the rural population of Ga-Mothapo village, Limpopo province. -
Utility of kangaroo mother care in preterm and low birthweight infants
Item type: Journal Article • Journal: South African Family Practice • Authors: SR Shrivastava --- Department of Community Medicine, PS Shrivastava --- Department of Community Medicine, J Ramasamy --- Department of Community Medicine,Preterm birth (< 37 completed weeks of gestation) is the largest direct cause of neonatal mortality, accounting for an estimated 27% of the 4-million neonatal deaths every year. Kangaroo mother care (KMC) is a type of care for preterm and... -
An exploration of anaemia in low-birthweight infants exposed to perinatal zidovudine at the neonatal unit at a regional hospital in Durban
Item type: Journal Article • Journal: South African Family Practice • Authors: S Hanley --- Department of Family Medicine, South Africa A Ross --- Department of Family Medicine, South AfricaObjective: The objective of the study was to determine the prevalence and degree of anaemia in low-birthweight neonates exposed to intrauterine zidovudine (AZT) at a regional hospital neonatal unit in Durban. -
Tanzania River Scoring System (TARISS): a macroinvertebrate-based biotic index for rapid bioassessment of rivers
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: LT Kaaya --- Department of Aquatic Sciences and Fisheries, Tanzania JA Day --- Department of Biological Sciences, South Africa HF Dallas --- Department of Botany, South AfricaThe biological assessment of rivers using aquatic macroinvertebrates is an internationally recognised approach for the determination of riverine ecological conditions. In this study a Tanzanian macroinvertebrate-based biotic method, Tanzania River Scoring System (TARISS), was developed in 2012, based on the... -
Growth Performance of Two Crossbred Rabbit Genotypes Fed Two Levels of Dietary Protein
Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: O. M. Momoh --- Department of Animal Breeding and Physiology, H. U. Unung --- Department of Animal Breeding and Physiology, S. Attah --- Department of Animal Production, NigeriaA study was undertaken in which two crossbred rabbit genotypes were fed two levels of dietary crude protein with the objectives of assessing and comparing their growth performances as well as investigate any possible genotype × protein level interaction. Twenty-four... -
Ecosystem-specific water quality indices
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: I Rangeti --- Department of Community Health Studies, South Africa B Dzwairo --- Institute for Water and Wastewater Technology, South Africa GJ Barratt --- Department of Community Health Studies, South Africa FAO Otieno --- Technology, Innovation and Partnerships, South AfricaThe water quality index (WQI) has emerged as a central tool for analysing and reporting quality trends since 1965. It provides a better overview of water quality variability in a catchment than conventional monitoring programmes that use individual variables. Since... -
Cord blood malaria parasitaemia in term, normal birthweight nigerian babies
Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: Ayebo Sadoh --- Department of Child Health, Nigeria Henry Cummings --- Department of Child Health, Nigeria Wilson Sadoh --- Department of Child Health, Nigeria Adedapo Ande --- Department of Obstetrics and Gynaecology, NigeriaAn important risk factor for congenital malaria is cord blood malaria parasitaemia. We report on the effect of malaria prevention methods [intermittent preventive treatment (IPT) and insecticide-treated nets (ITNs)] on cord blood malaria parasitaemia, as well as the effect of... -
Socio-demographic profiles and anthropometric status of 0- to 71-month-old children and their caregivers in rural districts of the Eastern Cape and KwaZulu-Natal provinces of South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Cm. Smuts --- Nutritional Intervention Research Unit, M. Faber --- Nutritional Intervention Research Unit, Se. Schoeman --- Nutritional Intervention Research Unit, Ja. Laubscher --- Biostatics Unit, A. Oelofse --- Centre for Nutrition, Ajs. Benadé --- Cape Peninsula University of Technology, Ma. Dhansay --- Nutritional Intervention Research Unit,Abstract -
The development of a preliminary regression equation for estimating the weight of black South African paraplegic males using anthropometric measurements in Tshwane, South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: H. Snyman --- Association for Dietetics in South Africa, Mg. Herselman --- Division of Human Nutrition, D. Labadarios --- Division of Human Nutrition,Abstract -
The risk of developing malnutrition in people living with HIV/AIDS: Observations from six support groups in Botswana
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Ms. Nnyepi --- Department of Home Economics Education, BotswanaObjectives: The objectives of this study were 1) to determine the proportion of people living with HIV/AIDS (PLWHA) at risk of developing malnutrition, 2) to determine the prevalence of malnutrition (BMI < 18.5 kg/m2), and 3) to describe the dietary... -
Risk factors of poor anthropometric status in children under five years of age living in rural districts of the Eastern Cape and KwaZulu-Natal provinces, South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Ms Lesiapeto --- Centre for Excellence in Nutrition, South Africa Cm Smuts --- Centre for Excellence in Nutrition, South Africa Sm Hanekom --- Centre for Excellence in Nutrition, South Africa J Du Plessis --- Department of Statistics, South Africa M Faber --- Nutritional Intervention Research Unit, South AfricaObjectives: Factors associated with children’s anthropometric status were determined. -
Perceptions of body size and its association with HIV/AIDS
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: T. Matoti-Mvalo --- Diva Nutritional Products, T. Puoane --- School of Public Health,Objective: To explore the perception among black South African women that people who are thin are infected with HIV or have AIDS. -
Genotype-based personalised nutrition for obesity prevention and treatment: are we there yet?
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: M. Senekal --- Associate Professor; Head: Division of Human Nutrition; Department of Human Biology,Interactions between genotype and dietary intake include genetic moderation of the effect of dietary intake on disease development (nutrigenetics). Research on nutrigenetics has focused mainly on single-nucleotide polymorphisms (SNPs) and supports the notion that interactions between genes, diet, other lifestyle... -
Knowledge and attitudes of nursing staff and mothers towards kangaroo mother care in the eastern sub-district of Cape Town
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: N. Solomons --- Division of Dietetics, C. Rosant --- Department of Health,Objectives: To determine the knowledge and attitude of nursing staff and mothers towards kangaroo mother care (KMC) in the eastern sub-district of Cape Town. -
Weight gain, physical activity and dietary changes during the seven months of first-year university life in Malawi
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: G. Takomana --- Department of Home Economics and Human Nutrition, Aa Kalimbira --- Department of Home Economics and Human Nutrition,Objective: The objective of the study was to assess weight gain, physical activity and dietary changes during the first year of university life in Malawi. -
Tuck-shop purchasing practices of Grade 4 learners in Pietermaritzburg and childhood overweight and obesity
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Nl Wiles --- Lecturer, Dietetics and Human Nutrition, Jm Green --- Senior Research Associate, Rural Resource Management, Fj Veldman --- Associate Professor, Dietetics and Human Nutrition,Objectives: To determine the anthropometric characteristics of Grade 4 learners in relation to their tuck-shop purchasing practices. -
The influence of socio-demographic factors on the nutritional status of children in the Stellenbosch area, Western Cape
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Ap Kirsten --- Division of Human Nutrition, D Marais --- Division of Applied Health Sciences, C Schübl --- Division of Human Nutrition, Faculty of Medicine and Health Sciences,Objectives: To determine the prevalence of overweight and obesity, as well as socio-demographic risk factors associated with childhood overweight and obesity in the Stellenbosch area, Western Cape province. -
Overweight, obesity and underweight in nurses in Vhembe and Capricorn districts, Limpopo
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Dt Goon --- Centre for Biokinetics, Recreation and Sport Science, Ms Maputle --- Department of Advanced Nursing and Science, A Olukoga --- Department of Public Health, R Lebese --- Department of Advanced Nursing and Science, Lb Khoza --- Department of Advanced Nursing and Science, Fc Ayanwu --- Department of Public Health,Background: In South Africa, anecdotal evidence concerning the prevalence of overweight and obesity in nurses is alarming, but no scientific studies have confirmed this notion. This study aimed to determine the prevalence of underweight, overweight and obesity in black nurses... -
The prevalence of underweight, overweight and obesity in a multiracial group of urban adolescent schoolchildren in the Cape Metropole area of Cape Town
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: S.-M. Van Niekerk --- Physiotherapy Division, Faculty of Medicine and Health Sciences, K. Grimmer --- Physiotherapy Division, Faculty of Medicine and Health Sciences, Q. Louw --- Physiotherapy Division, Faculty of Medicine and Health Sciences,Objective: The objective was to determine the prevalence of underweight, overweight and obesity in high school learners in the Cape Town area. -
Determinants of obesity and perception of weight in hypertensive patients in rural South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Pr Duncan --- Academic Clinical Fellow and General Practice Trainee, Bristol Ld Howe --- MRC Integrative Epidemiology Unit University of Bristol, Bristol Z. Manukusa --- Manguzi Hospital, Durban S. Purdy --- Academic Clinical Fellow and General Practice Trainee, BristolObjective: The objective of the study was to identify factors associated with being overweight or obese, and perceptions of weight by hypertensive patients living in rural South Africa. -
Under- and overnutrition and evidence of metabolic disease risk in rural black South African children and adolescents
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Tm Pedro --- MRC/Wits Developmental Pathways for Health Research Unit Department of Paediatrics, K. Kahn --- MRC/Wits Rural Public Health and Health Transitions Research Unit (Agincourt), Jm Pettifor --- MRC/Wits Developmental Pathways for Health Research Unit Department of Paediatrics, Sm Tollman --- MRC/Wits Rural Public Health and Health Transitions Research Unit (Agincourt), Sa Norris --- MRC/Wits Developmental Pathways for Health Research Unit Department of Paediatrics,Objectives: The objective was to determine the prevalence of under- and overnutrition, as well as evidence of metabolic disease risk in rural black South African children and adolescents. -
Abnormal eating attitudes and weight-loss behaviour of adolescent girls attending a “traditional” Jewish high school in Johannesburg, South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: J. Visser --- Division of Human Nutrition, Faculty of Medicine and Health Sciences, T. Notelovitz --- Division of Human Nutrition, Faculty of Medicine and Health Sciences, Cp Szabo --- Department of Psychiatry, Faculty of Health Sciences, N. Fredericks --- Division of Human Nutrition, Faculty of Medicine and Health Sciences,Objectives: This study aimed to determine the prevalence of abnormal eating attitudes and weight-loss behaviour in female Jewish adolescents. Teachers’ awareness of these factors and their attitudes towards a school programme to address these were also investigated. -
Overweight and obesity in six-year-old children in 4th and 5th quintile schools in Mangaung, South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: L Van den Berg --- Department of Nutrition and Dietetics, School of Allied Health Professions, Faculty of Health Sciences, L Meko --- Department of Nutrition and Dietetics, School of Allied Health Professions, Faculty of Health Sciences,Objective: Weight status at age six years has been identified as an important predictor of overweight and obesity in adolescence, which, in turn, tracks into adulthood, increasing the risk of future metabolic diseases. This study aimed to describe the prevalence... -
Detrimental role of childhood obesity in adolescence and adulthood: developing nation’s perspective
Item type: Journal Article • Journal: South African Family Practice • Authors: Saurabh RamBihariLal Shrivastava --- Department of Community Medicine, India Prateek Saurabh Shrivastava --- Department of Community Medicine, India Jegadeesh Ramasamy --- Department of Community Medicine, IndiaWorldwide, over the years, a significant hike in the prevalence of overweight and obesity has been observed among children, adolescents, and adult age-group individuals. In contrast to the previous beliefs that overweight and obesity are a major public health concern... -
More than scales and tape measures needed to address obesity in South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: R Ramlal --- Department of Family Medicine, South Africa RD Govender --- Department of Family Medicine, South AfricaObesity is an emerging public health problem worldwide increasing from 857 million in 1980 to 2.1 billion by 2013. A study was done on a sample of 100 obese and overweight patients with a body mass index (BMI) above 25 kg/m2... -
Promoting the use of home-mixed supplements as alternatives to commercial supplements in smallholder beef production systems in the subhumid region of Zimbabwe
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Irenie Chakoma --- International Livestock Research Institute, Zimbabwe Godfrey Manyawu --- International Livestock Research Institute, Zimbabwe Lovemore C Gwiriri --- International Livestock Research Institute, Zimbabwe Siboniso Moyo --- International Livestock Research Institute, Ethiopia Sikhalazo Dube --- International Livestock Research Institute, Zimbabwe Venancio E Imbayarwo-Chikosi --- Department of Animal Science, Zimbabwe Tinyiko E Halimani --- Department of Animal Science, Zimbabwe Charles Chakoma --- , Zimbabwe Barbara V Maasdorp --- Department of Crop Science, Zimbabwe Victor Buwu --- Department of Animal Science, ZimbabweThe economic and performance effect of supplementing smallholder cattle by substituting commercial feed with iso-nitrogenous and iso-energetic diets based on alternative protein sources was investigated in two trials. In trial 1, three diets (commercial concentrate, commercial concentrate partially substituted with... -
The number of stocks required for effective portfolio diversification: the South African case
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: David Bradfield --- Department of Statistical Sciences, South Africa Brian Munro --- Multi Asset Department, Cadiz Asset Management, South AfricaThis article considers several insights surrounding the number of stocks needed in portfolios in South Africa to achieve effective risk reduction. The majority of studies in the literature use equally-weighted portfolio construction schemes and conclude that at most 20 stocks... -
Mid-upper arm circumference (MUAC) performance versus weight for height in South African children (0–59 months) with acute malnutrition
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Natisha Dukhi --- Department of Human Physiology, South Africa Benn Sartorius --- Discipline of Public Health Medicine, South Africa Myra Taylor --- Discipline of Public Health Medicine, South AfricaObjectives: The objective of this study was to compare mid upper arm circumference (MUAC) and weight for height (W/H) as indices of acute malnutrition in children aged 0–59 months in South Africa. -
Obesity and associated factors in young adults attending tertiary institutions in south-eastern Nigeria
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Patricia Ogechi Ukegbu --- Department of Human Nutrition and Dietetics, Nigeria Ada Charity Uwaegbute --- Department of Human Nutrition and Dietetics, Nigeria Chinyere Akudo Echendu --- Department of Human Nutrition and Dietetics, Nigeria Chukwunonso Ejike --- Department of Biochemistry, Nigeria Julie Uche Anyika-Elekeh --- Department of Human Nutrition and Dietetics, Nigeria Victoria Uzoamaka Asumugha --- Department of Human Nutrition and Dietetics, Nigeria Solomon Abasiekong Kuyik --- Department of Food Science and Technology, Nigeria Shola Omodamiro --- Department of Biochemistry, Nigeria Blessing Nwofia --- Department of Human Nutrition and Dietetics, Nigeria Chinwe Uzokwe --- Department of Human Nutrition and Dietetics, Nigeria Chidinma Oluchi-Nliam --- Department of Human Nutrition and Dietetics, Nigeria Nnenna Uwakwe --- Department of Human Nutrition and Dietetics, NigeriaObjective: To assess prevalence of overweight/obesity and associated factors in a group of university undergraduates in south-east Nigeria. -
Towards a new model to benchmark firms’ operating efficiency: A data envelopment analysis approach
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Merwe Oberholzer --- Accounting Sciences, South Africa Dawie Mong --- Accounting Sciences, South Africa Jan van Romburgh --- Accounting Sciences, South AfricaThe purpose of the study was to construct two similar data envelopment analysis (DEA) models. The first contains only published accounting-based data and the second added weighted average cost of capital (WACC), a primary market-based determinant, as an input variable... -
Implementation and evaluation of a weight-reduction programme for diabetic patients at a primary health care facility in the Western Cape: a pilot study
Item type: Journal Article • Journal: South African Family Practice • Authors: A Razak --- Metro District Health Services, South Africa AA Isaacs --- Metro District Health Services, South AfricaBackground: Diabetes is a common non-communicable disease and complications are resulting in increased disability, reduced life expectancy and enormous health costs for virtually every society. Medical Nutrition Therapy is important for the prevention, treatment, and self-management of diabetes, and the... -
Pattern and correlates of obesity among public service workers in Ondo State, Nigeria: a cross-sectional study
Item type: Journal Article • Journal: South African Family Practice • Authors: Isaac Aladeniyi --- Department of Epidemiology and Medical Statistics, Nigeria Oladele Vincent Adeniyi --- Department of Family Medicine, South Africa Olufunmilayo Fawole --- Department of Epidemiology and Medical Statistics, Nigeria Mary Adeolu --- Nigeria State Health Investment Project, Nigeria Daniel Ter Goon --- Department of Health Sciences, South Africa Anthony Idowu Ajayi --- Department of Sociology, South Africa Eyitayo Omolara Owolabi --- Department of Health Sciences, South AfricaBackground: Obesity is the third leading cause of mortality and has become a global epidemic. There is a continuous increase in its prevalence both in the developed and in developing countries. Obesity is closely associated with chronic health conditions, thus... -
Body weight and weight perception among African and Caribbean university students: Correlation with depression symptoms
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Supa Pengpid --- ASEAN Institute for Health Development, Thailand Karl Peltzer --- Department of Psychology, South AfricaThe aim of the study was to investigate the association between body weight, weight perception, and depressive symptoms in African and Caribbean university students. In a cross-sectional survey the total sample included 4 964 undergraduate university students (mean age 21.8,... -
Analysis of bycatch in the South African midwater trawl fishery for horse mackerel Trachurus capensis based on observer data
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: JR Reed --- Marine Research Institute, Department of Biological Sciences, South Africa SE Kerwath --- Marine Research Institute, Department of Biological Sciences, South Africa CG Attwood --- Marine Research Institute, Department of Biological Sciences, South AfricaThe South African midwater trawl fishery targets adult horse mackerel Trachurus capensis. The bulk of the catch is taken by a single freezer-trawler, the biggest fishing vessel operating in South African waters. As fishing takes place off the south coast... -
Hospital-acquired malnutrition in children at a tertiary care hospital
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Del-Rossi Sean Quadros --- Department of Paediatrics and Child Health, Kenya. Rose Kamenwa --- Department of Paediatrics and Child Health, Kenya. Samuel Akech --- Department of Paediatrics and Child Health, Kenya. William M Macharia --- Department of Paediatrics and Child Health, Kenya.Objectives: This study sought to investigate the incidence and factors associated with hospital-acquired malnutrition in children. -
Antenatal and postpartum depression: effects on infant and young child health and feeding practices
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: SS Madlala --- Dietetics and Human Nutrition, South Africa SM Kassier --- Dietetics and Human Nutrition, South AfricaGlobally, anxiety and depression is the third leading cause of disease burden for women 14 to 44 years of age. The World Health Organisation reports that 15 to 57% of women in developing countries experience symptoms of depression. Maternal mental illness... -
Effect of stocking density on vegetation and animal performance within the semi-arid shrublands of the Karoo, South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Christiaan J Harmse --- Northern Cape Department of Agriculture, Land Reform and Rural Development, South Africa Hannes J Gerber --- Northern Cape Department of Agriculture, Land Reform and Rural Development, South AfricaAs the primary land use in the Karoo, extensive small-stock farming contributes significantly towards the agricultural economy of the region. However, the sustainability of this practice has been questioned for many years. This led to the establishment of a long-term... -
Studies on the biology of Nile tilapia (Oreochromis niloticus) in Lake Victoria, Kenya: in light of intense fishing pressure
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: E Yongo --- Department of Fisheries and Aquatic Sciences, Kenya N Outa --- Department of Biological Sciences, Kenya K Kito --- Graduate School of Fisheries, Japan Y Matsushita --- Graduate School of Fisheries, JapanNile tilapia Oreochromis niloticus is now the most abundant and commercially important tilapiine in Lake Victoria. From the total of 1 512 fish sampled from commercial gill net fisheries during 2014 and 2015, 809 (54%) were males and 672 (44%)... -
Pre-harvest Curing: Effects on Skin Adhesion, Chemical Composition and Shelf-life of Sweetpotato Roots under Tropical Conditions
Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: Aditya Parmar --- Department of Agricultural and Biosystems Engineering, Germany Sascha M. Kirchner --- Department of Agricultural and Biosystems Engineering, Germany Barbara Sturm --- Department of Agricultural and Biosystems Engineering, Germany Oliver Hensel --- Department of Agricultural and Biosystems Engineering, GermanyExcoriation (skinning injury) is a serious post-harvest problem for sweetpotato roots. In industrialized countries, sweetpotatoes are exposed to post-harvest curing to facilitate skin toughening and wound healing. However, in developing regions, such a practice is barely undertaken. Pre-harvest curing (PHC),... -
Pre-albumin as a marker for predicting weight loss in hospitalised children
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Del-Rossi Sean Quadros --- Department of Pediatrics and Child Health, Kenya Rose Kamenwa --- Department of Pediatrics and Child Health, Kenya Samuel Akech --- Department of Pediatrics and Child Health, Kenya William Macharia --- Department of Pediatrics and Child Health, KenyaObjectives: This study sought to determine the diagnostic utility of serum pre-albumin in predicting weight loss in hospitalised children. -
Validation of age-based body mass estimation methods in toddlers and pre-school children
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Karin Booysen --- Private Practice, South Africa Johannes Marthinus Dippenaar --- Department of Maxillo-Oral-Facial Surgery, Oral Health Centre, South Africa Francois Jacobus Smith --- Department of Anaesthesiology, South AfricaBackground: Body mass is commonly used to determine medication dosages and equipment size. In emergency situations (including cases necessitating surgery) weighing paediatric patients can be impractical. Clinicians may use any of several body mass estimation techniques to surmount this obstacle... -
Adult weight measurement: decoding the terminology used in literature
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Christen Renée Lahner --- Department of Human Nutrition and Dietetics, South AfricaThere are various types of names given to describe the adult weight measurement. The most commonly used terms (actual body weight, estimated body weight, ideal body weight and adjusted body weight) have been defined and summarized to assist in their... -
Undernutrition among children under five in the Bandja village of Cameroon, Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Léonie Dapi Nzefa --- Department of Public Health, Cameroon Francisca Monebenimp --- Department of Public Health, Cameroon Christofer Äng --- Department of Clinical Medicine, Umeå, SwedenBackground: Sub-Saharan Africa has a long history of struggling with child undernutrition. The prevalence of undernutrition is still high and knowledge about this public health problem and the underlying causes is essential for children’s health. -
Weight bias and eating behaviours of persons with overweight and obesity attending a general medical practice in Durban, South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: RD Govender --- Department of Family Medicine, United Arab Emirates S Al-Shamsi --- Department of Internal Medicine, United Arab Emirates D Regmi --- Department of Family Medicine, United Arab EmiratesBackground: The consequences of obesity for physical health and non-communicable illnesses are well established, but the impact on psychosocial well-being in persons with obesity is much less understood. This study aimed to assess psychosocial constructs such as weight bias affecting... -
Lifestyle modification in the management of insulin resistance states in overweight/obesity: the role of exercise training
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Tshidi Thaane --- Discipline of Biokinetics, Exercise and Leisure Sciences, South Africa; Ayesha A Motala --- Department of Diabetes and Endocrinology, South Africa; Andrew J Mckune --- Discipline of Biokinetics, Exercise and Leisure Sciences, South Africa;Physical inactivity is a major contributor to overweight/obesity and associated disorders including cardiovascular diseases (CVDs), diabetes, and insulin resistance (IR). Intensive lifestyle modification (ILM) is recommended as first-line treatment for obese individuals at risk for IR. Exercise is considered to... -
Diet of catfish Clarias buthupogon Sauvage, 1879 (Clariidae) in two rivers in the Yoko Reserve, Tshopo Province, Democratic Republic of the Congo
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: RB Mahamba --- Department of Phytotechnics, Democratic Republic of the Congo JN Ndjaki --- Department of Hydrobiology, Democratic Republic of the Congo AB Kankonda --- Department of Hydrobiology, Democratic Republic of the Congo J-C Micha --- Environmental Biology Research Unit (URBE), BelgiumThe diet of the catfish, Clarias buthupogon, was studied in two forest rivers in the Yoko Reserve, the Yoko and Biaro Rivers, from September 2008 to August 2009. Gill nets, long lines and traditional traps were used to catch the... -
Consumption of added sugars among undergraduate students at a South African university and its association with BMI
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Ra’eesah Nakhooda --- , South Africa Nicola Wiles --- , South AfricaObjectives: A study was undertaken to quantify added sugar intake; to show the association between added sugar intake and body mass index (BMI); and to identify determinants of added sugar and sugar-sweetened beverage (SSB) intake. -
Growth and metabolism of Clarias gariepinus (Burchell, 1822) fed with copepods (Eucyclops sp.) exposed to lead and titanium dioxide nanoparticles
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: MM Matouke --- , Nigeria MK Mustapha --- , NigeriaThe increasing uses of lead (Pb2+) and titanium dioxide nanoparticles (nTiO2) in commercial products have led totheir increased discharge into aquatic environments. This study investigated the effects of the interaction betweennTiO2 and lead (Pb2+) in a simple freshwater food web... -
If the equal weighted portfolio is so great, why isn’t it working in South Africa?
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Byran H Taljaard --- , South Africa Eben Maré --- , South AfricaThis paper considers the recent underperformance of the equal weighted portfolio of South African Top 40 stocks relative to the market capitalisation weighted portfolio. It highlights the impact of the increased concentration of market capitalisation weights in the Top 40,... -
Potential impact of marine heatwaves on selected phytoplankton adapted to the Gulf of Guinea during stable hydrographic periods
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: E Acheampong --- , Ghana P Mantey --- , Ghana A Weremfo --- , GhanaReports suggest that the Gulf of Guinea (northeastern tropical Atlantic) frequently experiences marine heatwaves (MHW)—prolonged periods of anomalously warm seawater—of ≥1.5 °C above baseline. We assessed the likely impact of this anomaly on two microalgae, Thalassiosira weissflogii (diatom) and Gymnodinium... -
BMI-based figure rating scale (FRS) as an adjunctive aid in nutritional screening and assessment in a resource-limited setting
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: E van Tonder --- , South Africa N Dihawa --- , South AfricaObjectives: Many existing malnutrition screening and diagnostic tools require body mass index (BMI) and quantification of weight change to detect malnutrition or risk thereof. This is often a challenge in South African public hospitals due to missing data, including patient... -
Prevalence of overweight and obesity among selected schoolchildren and adolescents in Cofimvaba, South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Olufunmilola Otitoola --- , Nigeria Wilna Oldewage-Theron --- , South Africa Abdul Egal --- , South AfricaBackground: Childhood obesity has become a growing global epidemic. In South Africa, overweight and obesity during childhood and adolescence are rising. The objectives of this study were (i) to estimate the prevalence of overweight and obesity among selected students in... -
Population parameters, exploitation rate and diet of black-chinned Tilapia, Sarotherodon melanotheron Rüppell, 1852 (Pisces: Cichlidae), from Badagry Creek, Lagos, Nigeria
Item type: Journal Article • Journal: African Zoology • Authors: Prince Emeka Ndimele --- , Nigeria Fatai Gbolahan Owodeinde --- , Nigeria Edwin Oritseweyinmi Clarke --- , Nigeria Olufemi Olusegun Whenu --- , Nigeria Olufemi Olabode Joseph --- , NigeriaThe black-chinned tilapia (Sarotherodon melanotheron) is a member of the cichlid family, which can be cultured to complement the output from a predominantly catfish aquaculture industry in Nigeria. In order to achieve this objective, it is important to study the... -
Reproductive biology of the lesser African threadfin Galeoides decadactylus in Gabon, Gulf of Guinea
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: J-D Mbega --- , Gabon O Sadio --- , Senegal J-F Liwouwou --- , Gabon J-H Mvé Beh --- , Gabon I Bamba --- , Gabon A Eleng Spanian --- , Gabon M-L Yedi --- , Gabon F Cardiec --- , France F Le Loc’h --- , FranceThe lesser African threadfin Galeoides decadactylus (family Polynemidae) is one of the most captured marine fish species in Central Africa. This study examines aspects of the reproductive biology of G. decadactylus in the Libreville area of Gabon. Fish caught with... -
Cattle performance with Brachiaria and Panicum maximum forages in an integrated crop-livestock system
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Mariana Borges de Castro Dias --- , Brazil Kátia Aparecida de Pinho Costa --- , Brazil Eduardo da Costa Severiano --- , Brazil Ubirajara Oliveira Bilego --- , Brazil Lourival Vilela --- , Brazil Wender Ferreira de Souza --- , Brazil Itamar Pereira de Oliveira --- , Brazil Ana Carolina Gomes da Silva --- , BrazilCrop-livestock integration is an efficient technique that enables cropping and animal production in the same area, takes advantage of all the benefits that this synergism provides, and results in greater sustainability and lower environmental impact. The objectives of this study... -
Do lifestyle choices influence the development of overweight and obesity in the South African Air Force, Bloemfontein?
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Carina Haasbroek --- , South Africa Ronette Lategan-Potgieter --- , United States Cornel van Rooyen --- , South Africa Marizeth Jordaan --- , South Africa -
How does (C)CAPM digest anomalies?
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Qi Shi --- , ChinaIn a pioneering effort, we re-evaluate the performance of (C)CAPM (joint CAPM and consumption CAPM) in digesting a large number of anomalies. Our key contribution illustrates that the performance of (C)CAPM appears to be quite sensitive to the choice of... -
Variation of the relationships between lengths and weights applied to 123 fish species observed at Réunion Island (Indian Ocean)
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: D Roos --- , Réunion J Taconet --- , Réunion C Gentil --- , Réunion B Brisset --- , Réunion H Evano --- , Réunion Y Aumond --- , Réunion J Huet --- , Réunion C Lepetit --- , Réunion R Boymond-Morales --- , Réunion T Rungassamy --- , Réunion R Elleboode --- , France K Mahé --- , FranceBody length–weight (L–W) relationships of 123 fish species (122 Actinopterygii and 1 Elasmobranchii) were studied from 10 218 individuals caught around Réunion Island from 2000 to 2021. All species, except for 4 with a very small number of individuals and... -
Climate smart technology for storage of fresh pro-vitamin A bio-fortified cassava
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Olumuyiwa Adekanmi Babarinsa --- , Nigeria Isaac Babatunde Oluwalana --- , Nigeria Mathew Kolawole Bolade --- , NigeriaClimate change is a problem affecting food security across the globe. The climate change effect of rising temperatures can be mitigated by using climate-smart crops such as cassava and climate-smart technology such as an Evaporative Cooling Structure (ECS). A 150 kg... -
A characterisation of weightable quasi-metric generating functions
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Dhananjay Gopal --- Guru Ghasidas Vishwavidyalay, India Oscar Valero --- University of Balearic Islands, Spain Shubham Yadav --- S.V. National Institute of Technology, IndiaIn 1994, S.G. Matthews introduced the notions of partial metric and weighted quasi-metric and, in addition, he showed that both are dual. In fact, he developed a method for generating weightable quasi-metrics from partial metrics and conversely. Recently, J.J. Miñana... -
Diet and condition of juvenile deep-water hake Merluccius paradoxus on the west coast of southern Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: E Gammon --- University of Cape Town, South Africa CL Moloney --- University of Cape Town, South Africa MR Lipinski --- Rhodes University, South AfricaThe composition of the diet of juvenile deep-water hake Merluccius paradoxus is described and compared for three body-condition groups (below-average, average, and above-average). Diet was analysed using three metrics: occurrence, numeric and gravimetric. Juvenile hakes were caught in January and... -
A weighted bootstrap approach to logistic regression modelling in identifying risk behaviours associated with sexual activity
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Humphrey Brydon --- , , South Africa Rénette Blignaut --- , , South Africa Joachim Jacobs --- , , South AfricaThe latest population estimates released by Statistics South Africa indicate that 25.03% of all deaths in 2017 in South Africa were AIDS-related. Along with these results, it is also reported that 7.06% of the population were living with HIV, with... -
Use and perceived effectiveness of complementary medicines for weight loss in adult women
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: J Bussicott --- University of Johannesburg, South Africa R Patel --- University of Johannesburg, South Africa J Pellow --- University of Johannesburg, South Africa RK Razlog --- University of Johannesburg, South Africa -
The relationship of a weight-efficacy lifestyle with anthropometric indices among middle-aged Iranian women
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Mahbobeh Kianfar --- Ahvaz Jundishapur University of Medical Sciences, Iran Poorandokht Afshari --- Ahvaz Jundishapur University of Medical Sciences, Iran Parvin Abedi --- Ahvaz Jundishapur University of Medical Sciences, Iran Mohammadhossein Haghighizadeh --- Ahvaz Jundishapur University of Medical Sciences, IranBackground: Overweight or obese middle-aged women are at a greater risk of chronic diseases. This study aimed to evaluate the relationship between a weight-efficacy lifestyle and anthropometric indices in middle-aged women. -
The W -weighted BT inverse
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: D.E. Ferreyra --- Universidad Nacional de Río Cuarto, Argentina N. Thome --- Instituto Universitario de Matemática Multidisciplinar, Universitat Politècnica de València, Spain C. Torigino --- Universidad Autónoma de Entre Ríos, ArgentinaIn this paper we extend the definition of BT inverse of square complex matrices to rectangular matrices. This new generalized inverse (called the W -weighted BT inverse) always exists and is unique. We investigate several characterizations of the W -weighted... -
The weight distribution of hulls of binary codes from incidence matrices of complete graphs
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Khumbo Kumwenda --- Mzuzu University, Malawi Caleb Namondwe --- Mzuzu University, MalawiWe characterise the weights of all codewords of the hull of the binary code spanned by rows of an incidence matrix Bn of the complete graph Kn for n ≥ 4 and n even. Among others, we show that every... -
Some further remarks on characterized subgroups generated by modular simple density
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Ayan Ghosh --- Jadavpur University, IndiaIn this short note we have constructed an uncountable tower of characterized subgroups using the notion of modular simple density [8] which subsequently gives the solution of Problem 2.15 [7] in a more general setting. -
Exploring the prevalence of multiple forms of malnutrition in children 6–18 years living in the Eastern Cape, South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Gugulethu T Moyo --- Texas Tech University, United States Abdulkadir A Egal --- Somali National University, Somalia Wilna Oldewage-Theron --- Texas Tech University, United States -
Biological and life-history parameters for Labeo rosae Steindachner, 1894 and Oreochromis mossambicus (Peters, 1852) from Flag Boshielo Dam, Olifants River, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: HA Hlungwani --- University of Limpopo, South Africa SM Marr --- University of Limpopo, South Africa OLF Weyl --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa JR Sara --- University of Limpopo, South AfricaInland fisheries contribute towards food security for rural communities living close to large aquatic systems. However, sustainable inland fisheries rely on accurate biological information for the target species at the proposed fishery location. In this study, the biological information for... -
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Effect of group cognitive behavioural therapy on self-efficacy and anthropometric indices among overweight and obese postpartum women
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Arezo Jamshidi --- Ahvaz Jundishapur University of Medical Sciences, Iran Parvin Abedi --- Ahvaz Jundishapur University of Medical Sciences, Iran Najmeh Hamid --- Shahid Chamran University of Ahvaz, Iran Mohammadhossein Haghighizadeh --- School of Health, Iran -
Effects of succinic acid impregnation on physical properties of sapwood and heartwood from plantation-grown short-rotation teak
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Sarah Augustina --- National Research and Innovation Agency (BRIN), Indonesia Teguh Darmawan --- National Research and Innovation Agency (BRIN), Indonesia Sudarmanto --- National Research and Innovation Agency (BRIN), Indonesia Narto Narto --- National Research and Innovation Agency (BRIN), Indonesia Adik Bahanawan --- National Research and Innovation Agency (BRIN), Indonesia Danang S Adi --- National Research and Innovation Agency (BRIN), Indonesia Dimas Triwibowo --- National Research and Innovation Agency (BRIN), Indonesia Yusup Amin --- National Research and Innovation Agency (BRIN), Indonesia Imran A Sofianto --- National Research and Innovation Agency (BRIN), Indonesia Prabu S Sejati --- National Research and Innovation Agency (BRIN), Indonesia Wahyu Dwianto --- National Research and Innovation Agency (BRIN), Indonesia Witjaksono --- National Research and Innovation Agency, Indonesia Ragil Widyorini --- Universitas Gadjah Mada, Philippe Gérardin --- Université de Lorraine, France Sari Delviana Marbun --- National Research and Innovation Agency (BRIN), IndonesiaThe aim of this study was to improve the properties of 15-year-old short rotation teak wood using a succinic acid (SA) treatment without excessively increasing the weight gain. The samples were classified as sapwood (SW) and heartwood (HW). Samples were... -
Does participation in innovation platform improve welfare? Insights from smallholder maize farmers in Ghana
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Eric Asiamah Yeboah --- , Ghana Kelvin Balcombe --- University of Reading, UK Bright Owusu Asante --- Kwame Nkrumah University of Science and Technology (KNUST), Ghana Stephen Prah --- Kwame Nkrumah University of Science and Technology (KNUST), Ghana Robert Aidoo --- Kwame Nkrumah University of Science and Technology (KNUST), GhanaThis paper investigates the impact of participation in innovation platforms (IPs) on smallholder maize farmers’ welfare in the Brong Ahafo region of Ghana using data collected from 477 rural farm households. We employed the doubly robust inverse probability weighted regression... -
Knowledge, attitudes and awareness regarding donor breast milk: a cross-sectional study of mothers in a high HIV-prevalent area
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Hadebe Thobeka Zamahlubi --- University of KwaZulu-Natal, South Africa Kimesh L Naidoo --- University of KwaZulu-Natal, South Africa Fharnisa Khan --- University of KwaZulu-Natal, South Africa Refiloe Masekela --- University of KwaZulu-Natal, South Africa -
Change in the prevalence of extra-uterine growth restriction in very low birthweight infants, following the introduction of a written nutrition protocol, in a tertiary neonatal unit
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: LND Mosidi --- University of Pretoria, A van Niekerk --- Steve Biko Academic Hospital, South Africa M Coetzee --- University of Pretoria, -
Water-quality assessment and spatial distribution of water-quality parameters of Dodoma Urban, Tanzania
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: OJ Mdee --- University of Dodoma, Tanzania B Mndolwa --- University of Dodoma, Tanzania N Sadiki --- University of Dodoma, TanzaniaThe study was conducted in 2022 in shallow wells and deep boreholes owned by residents, to investigate the water quality status in the emerging developing area of Dodoma Urban municipality in central Tanzania. Eighteen boreholes and five shallow wells were... -
A rapid fishery assessment to collect biological information and life-history parameters for rednose labeo Labeo rosae and Mozambique tilapia Oreochromis mossambicus in Loskop Dam, Olifants River, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: HA Hlungwani --- University of Limpopo, South Africa SM Marr --- University of Limpopo, South Africa OLF Weyl --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa AC Hoffman --- , South Africa H Botha --- University of Limpopo, South Africa JR Sara --- University of Limpopo, South AfricaA 2-week rapid fishery assessment using various sampling gears was conducted to collect life-history data on rednose labeo Labeo rosae and Mozambique tilapia Oreochromis mossambicus in Loskop Dam on the Olifants River, Mpumalanga Province, South Africa. These native species were... -
Aspects of the reproductive biology of the common Octopus vulgaris from landings in the coastal trawl and artisanal fleets in the Atlantic waters of southern Morocco
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: B Oubahaouali --- Abdelmalek Essaâdi University, Morocco A Kaddouri --- Abdelmalek Essaâdi University, Morocco M Aksissou --- Abdelmalek Essaâdi University, MoroccoAn investigation of aspects of the reproductive biology of the common octopus Octopus vulgaris caught in the Atlantic waters of southern Morocco was undertaken in 2020. The study focused on the demographic structure and sexual maturity of O. vulgaris by... -
The approximation property for the predual of weighted spaces of holomorphic mappings on Banach spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Deepika Baweja --- , India Jahir Abbas Sardar --- , IndiaIn this paper, we investigate the approximation property for the predual of the weighted space of holomorphic mappings, where is a countable family of weights defined on a balanced open subset U of a Banach space E. We introduce a... -
Multiplication operators on the weighted Sobolev disk algebra
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Yucheng Li --- Hebei Normal University, China Kaikai Han --- Hebei University of Economics and Business, China Hexin Zhang --- Hebei Normal University, ChinaLet ⅅ be the unit disk in the complex plane ℂ. For α > −1, the weighted Sobolev disk algebra SA(ⅅ, dAα ) consists of all analytic functions in the weighted Sobolev space W 2,2(ⅅ, dAα ). In this paper,... -
Feeding practices of very low birthweight infants born 2018 at a tertiary hospital in South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: AM Haughton --- Walter Sisulu University, South Africa IA Michaelis --- Walter Sisulu University, South AfricaIntroduction: In recent decades, there has been a global increase in the birth and survival rates of very low birthweight (VLBW) infants. Breastfeeding plays a crucial role in providing optimal nutrition for the growth and development of these infants, particularly... -
Sugar-sweetened beverage intake and anthropometric profile of grade 6 learners in the Nelson Mandela Bay area, South Africa: a mixed-methods study
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Candice Stansbury --- Stellenbosch University, South Africa Zarina Ebrahim --- Stellenbosch University, South Africa Daniel Nel --- Stellenbosch University, South Africa Penelope Love --- Deakin University, Australia Yolande Smit --- Stellenbosch University, South AfricaBackground: A paucity of data exists regarding the intake of sugar-sweetened beverages (SSBs) among children and the prevalence of childhood overweight and obesity in the Nelson Mandela Bay area in South Africa (SA). -
Understanding the factors associated with child malnutrition in rural Burundi: experiences from the Muyinga and Ngozi provinces
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Willy Désiré Emera --- Ghent University, Belgium Marijke D’Haese --- Ghent University, Belgium Wannes Slosse --- Ghent University, Belgium Carl Lachat --- Ghent University, Belgium -
Type 2 diabetes mellitus but not overweight/obesity reduces testicular volume and endocrine function in men
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: E Musa --- Kaduna State University, Nigeria GC Musa --- University of Cape Town, South Africa E Salazar-Petres --- Universidad San Sebastián, Carrera de Obstetricia, Chile F Bello --- Ahmadu Bello University, Nigeria AG Bakari --- Ahmadu Bello University, Nigeria -
Population growth of Daphnia magna cultured in manure-fertilised water under laboratory conditions
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Adamneh Dagne --- Ethiopian Institute of Agricultural Research (EIAR), National Fishery and other Aquatic Life Research Center, Ethiopia Getacher Beyene --- Ethiopian Institute of Agricultural Research (EIAR), National Fishery and other Aquatic Life Research Center, Ethiopia Alemayehu Wubie --- Ethiopian Institute of Agricultural Research (EIAR), National Fishery and other Aquatic Life Research Center, EthiopiaIn developing countries, mass production of Daphnia magna, used as a food in freshwater aquaculture, is a challenge. A fifteen-day laboratory experiment was conducted to examine the population growth and reproductive parameters for D. magna reared in green water fertilised... -
Public attitudes towards responsibilities and actions to curb obesity in South Africa: Second South African Human Development Pulse Survey
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Ashleigh Craig --- University of the Witwatersrand, South Africa Gudani Mukoma --- University of Venda,, South Africa Witness Mapanga --- University of the Witwatersrand, South Africa Asanda Mtintsilana --- University of Cape Town, South Africa Siphiwe N Dlamini --- University of the Witwatersrand, South Africa Lisa K Micklesfield --- University of the Witwatersrand, South Africa Shane A Norris --- University of the Witwatersrand, South Africa -
Growth patterns and condition index of rock oysters Saccostrea cucullata in relation to river influence in southeastern Madagascar
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: M Masimana --- Institut d’Enseignement Supérieur d’Anôsy, Université de Toliara, Madagascar A Andrisoa --- Aix-Marseille University, CNRS, IRD, INRAE, CEREGE, FranceSaccostrea cucullata is the dominant species of rock oyster (family Ostreidae) in southeastern Madagascar. Despite its economic and ecological importance, information on its biology and ecology is scarce. This study investigated the growth, shell length–weight relationship, and condition index (tissue... -
Methane emission and performance indicators of sheep fed Super Napier grass, sodium hydroxide-treated rice straw and leaves of two browse species (Leucaena leucocephala and Albizia lebbek)
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: FO Sarkwa --- College of Basic and Applied Sciences, University of Ghana, Ghana V Antwi --- College of Basic and Applied Sciences, University of Ghana, Ghana EC Timpong-Jones --- College of Basic and Applied Sciences, University of Ghana, Ghana FY Obese --- College of Basic and Applied Sciences, University of Ghana, Ghana T Adogla-Bessa --- Evangelical Presbyterian University College, Ghana DY Osei --- Animal Research Institute, Ghana F Adu Boahene --- College of Basic and Applied Sciences, University of Ghana, Ghana S Andoh --- College of Basic and Applied Sciences, University of Ghana, GhanaMethane produced during enteric fermentation in ruminants is influenced by dietary factors. To lower enteric methane emissions without lowering overall production performance, appropriate diets are needed. Thus, the performance and methane emission of sheep fed Super Napier grass (SN), sodium... -
Describing the triple burden of malnutrition in adolescents in rural and urban South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: SH Crouch --- University of the Witwatersrand, South Africa DE Mathatha --- University of the Witwatersrand, South Africa LK Micklesfield --- University of the Witwatersrand, South Africa NJ Christofides --- University of the Witwatersrand, South Africa C Desmond --- University of the Witwatersrand, South Africa SJ Sharp --- Institute of Metabolic Science, University of Cambridge, United Kingdom KK Ong --- Institute of Metabolic Science, University of Cambridge, United Kingdom SM Tollman --- University of the Witwatersrand, South Africa K Kahn --- University of the Witwatersrand, South Africa SA Norris --- University of the Witwatersrand, South Africa -
Life-history traits of the false jacopever Sebastes capensis (Scorpaenidae: Sebastinae) in South African waters
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: T Mohamed --- Department of Biological Sciences, University of Cape Town, South Africa CG Attwood --- Department of Biological Sciences, University of Cape Town, South AfricaThe genus Sebastes (rockfishes) of family Scorpaenidae (scorpionfishes) contains over 110 species, of which the false jacopever Sebastes capensis is the only one found in South African waters. Although it is a commonly caught linefish along the west coast of... -
The Frank graph
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Efruz Özlem Mersin --- Aksaray University, Turkey Ayşe Dilek Maden --- Selcuk University, Turkey Mustafa Bahşi --- Aksaray University, TurkeyThis paper introduces the Frank graph, a special weighted digraph with self-loops whose adjacency matrix corresponds to the Frank matrix, a special Max matrix. We derive bounds for the spectral radius and energy of the graph and illustrate these results... -
Composition operators on the weighted BMOA spaces with closed range
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Rikio Yoneda --- Institute of Human and Social Sciences, Kanazawa University, JapanWe study the composition operator C φ with closed range on the weighted space :
