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Evaluation of the grazing potential of grass species in Tarchonanthus veld of the northern cape1
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: J.H. Fourie --- Department of Agriculture (Free State Region), D.P.J. Opperman --- Department of Pasture Science, B.R. Roberts --- Department of Pasture Science,The grazing value of the seven most prominent grass species in Tarchonanthus‐limeveld was investigated from 1977 to 1981. -
Seasonal changes in the quality of diet selected by cattle grazing the natal sour sandveld
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: P.J. O'Reagain --- Dept. Agriculture and Water Supply, M.T. Mentis --- Centre for Resource Ecology,Seasonal changes in dietary quality were measured using steers fistulated at the oesophagus. From spring through to winter, crude protein (CP), in vitro digestibility (IVD) and leaf percentage in the diet declined significantly while percentage dead material increased significantly. Consumption... -
The effect of continuous and rotational grazing of sourveld on the selection of plant fractions by simmentaler heifers
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: U.P. Kreuter --- Department of Grassland Science, N.M. Tainton --- Department of Grassland Science,In a grazing trial conducted at the Kokstad Agricultural Research Station, the selection of six plant fractions by cattle grazing sourveld was investigated. Relations between the selectivity of the cattle and the dry matter digestibility (DMD) and crude protein (CP)... -
Voorlopige evaluasie van sporobolus fimbriatus as aangeplante weiding in die sentrale oranje‐vrystaat
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: L.G. du Pisani --- , I.W. Knight --- ,Die potensiaal van Sporobolus fimbriatus as aangeplante weiding is ten opsigte van relatiewe groeitempo, kumulatiewe groei, droëmateriaalproduksie, weikapasiteit, blaar : stingel verhouding en kwaliteit (ruproteïen en verteerbaarheid) geëvalueer. -
The quality of herbage ingested by cattle in rotationally grazed semi‐arid grassveld of the eastern Cape
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: J.E. Danckwerts --- Department of Agriculture (Eastern Cape Region), Republic of South AfricaOesophageal fistulated steers were used to sample herbage daily during periods of occupation on veld in good and moderate condition. Forage quality was assessed in terms of in vitro dry matter digestibility and digestible crude protein. The quality of herbage... -
Voluntary intake of several planted pastures by sheep and an assessment of NDF and IVDOM as possible predictors of intake
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: H.H. Meissner --- Department of Livestock Science, Republic of South Africa W.A. van Niekerk --- Department of Livestock Science, Republic of South Africa E.B. Spreeth --- Department of Livestock Science, Republic of South Africa H.H. Köster --- Department of Livestock Science, Republic of South AfricaThe aim was to study the quality and quantity of pasture selected by sheep on various planted pastures. A further aim was to assess NDF and IVDOM as easy measurable parameters for use in equations to predict intake. Pasture samples... -
The effects of continuous and rotational grazing of sourveld on the quality of herbage selected by Simmentaler heifers
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: U.P. Kreuter --- Department of Grassland Science, Republic of South Africa N.M. Tainton --- Department of Grassland Science, Republic of South AfricaA grazing trial was conducted at the Kokstad Agricultural Station to compare the dry matter digestibility (DMD) and crude protein content (CP) of diets selected by four fistulated cattle which were continuously and rotationally grazing sourveld. Two stocking rates of... -
The effect of veld condition on the quality of diet selected by cattle grazing the Natal Sour Sandveld
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: P.J. O'Reagain --- Department of Agricultural Development, Republic of South Africa M.T. Mentis --- Department of Botany, Republic of South AfricaThe quality of diet selected by steers fistulated at the oesophagous was related to veld condition in a simulated rotational grazing system on the Natal Sour Sandveld. Six camps, ranging in veld condition score from 8,5 to 53%, were grazed... -
Utilization of Lolium multiflorum by sheep 1. Influence of dry matter content and correlated factors on voluntary intake
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: H.H. Meissner --- Department of Livestock Science, Republic of South Africa MarianaM. du Preez --- Department of Livestock Science, Republic of South Africa A.D. Enslin --- Department of Livestock Science, Republic of South Africa E.B. Spreeth --- Department of Livestock Science, Republic of South AfricaThe intake by young sheep of Lolium multiflorum cv. Midmar (ryegrass) with dry matter (DM) contents of between 10.2% and 20.5% was studied. Intake was measured on pasture, while at the same time herbage was cut and fed either fresh... -
Utilization of Lolium multiflorum by sheep 2. The effect of drying the herbage on soluble nitrogen content and partial digestion
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: MarianaM. du Preez --- Department of Livestock Science, Republic of South Africa H.H. Meissner --- Department of Livestock Science, Republic of South AfricaThe amount of soluble N and the effective degradation of fresh and dry herbage of Lolium multiflorum cv. Midmar (ryegrass) was determined by the nylon bag technique. In another experiment the digestion and disappearance of organic matter (OM) and nitrogen... -
Seasonal changes in nutrient content under three defoliation treatments in two coastal grassland communities of Transkei
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: C.M. Shackleton --- Department of Botany, Transkei M.T. Mentis --- Department of Botany, Republic of South AfricaChanges in nutrient concentrations were monitored over a two‐year period in two coastal grassland communities. Dry matter digestibility, crude protein, phosphorus, potassium, calcium and magnesium were determined from hand‐clipped samples of experimental treatments; namely, burning with and without subsequent grazing... -
Provisional assessment of quality components in lucerne (Medicago sativa) and white clover (Trifolium repens) using a near infrared reflectance spectrophotometer
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: MariéA. Stoltz --- Transvaal Region, Department of Agriculture and Water Supply, Republic of South AfricaA near infrared reflectance spectrophotometer (NIRS) with tilting filters was calibrated for the determination of the forage quality components, crude protein (CP), acid detergent fibre (ADF), neutral detergent fibre (NDF), in vitro organic matter digestibility (IVOMD), dry matter (DM) and... -
The effects of strategic nitrogen fertiliser application during the cool season on perennial ryegrass-white clover pastures in the Western Cape Province 4. Selected nutritive characteristics and mineral content
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J. Labuschagne --- , South Africa M.B. Hardy --- Department of Agriculture Western Cape, South Africa G.A. Agenbag --- , South AfricaThe influence of a single application of fertiliser N (0, 50, 100 and 150 kg N ha−1) applied in either autumn, early winter, late winter, early spring or late spring on selected nutritive and mineral parameters of a perennial ryegrass-white... -
Seasonal influence on diet selection of sheep grazing a weedy dryland lucerne pasture
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: T.S. Brand F. Franck J. CoetzeeThe experiment was conducted to determine the seasonal effects on the availability, chemical composition and digestibility of a grazing dry-land lucerne pasture, as measured on samples either collected by hand or with oesophageally fistulated (OF) sheep. The pasture was monitored... -
Effect of plant height at cutting, source and level of fertiliser on yield and nutritional quality of Napier grass (Pennisetum purpureum (L.) Schumach.)
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: T Zewdu RMT Baars A YamiNapier grass (Pennisetum purpureum (L.) Schumach.) was studied using a 5 x 3 factorial experiment arranged in a randomised complete block design with three replications. The treatments were five fertiliser applications (0kg ha-1 N, 46kg ha-1 N and 92kg ha-1... -
The influence of nitrogen and defoliation on digestibility and fibre content of Lolium multiflorum cv. Midmar
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: JF Theron HA SnymanThe influence of different N fertiliser application levels (0, 150, 300 and 450kg N ha–1) in combination with different defoliation intervals (every 2, 4, 6 and 8 weeks and twice a season) on the digestibility and fibre component of ryegrass... -
An evaluation of diet quality in two desert ungulates exposed to hyper-arid conditions
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: SR Henley D WardDesert-dwelling ungulates are frequently exposed to plant communities of poor nutritional quality and low abundance. We assessed the diet quality of a large-bodied non-ruminant, the Asiatic wild ass (Equus hemionus) and that of a small-bodied ruminant, the dorcas gazelle (Gazella... -
Chemical composition and in vitro dry matter digestibility of various utilization forms of grain sorghum residues
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: L.D. Snyman --- , Republic of South Africa H.W. Joubert --- , Republic of South AfricaThe chemical composition and in vitro dry matter digestibility (IVDMD) of various utilization forms of grain sorghum residues were investigated. Two grain sorghum cultivars, SNK 3640 (bitter tasting) and Pioneer 8564 (sweet tasting), were used. Each taste type was grown... -
Effect of maturity stage and method of preservation on the yield and quality of babala
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: L.D. Snyman --- , South Africa H.W. Joubert --- , South AfricaThe effect of maturity stage on the total yield (all harvests throughout the season) of some forage components and on the chemical composition and in vitro dry matter digestibility (IVDMD) (first harvest) of babala, was investigated. The effects of various... -
Effect of cutting height and frequency on Leucaena leucocephala forage and wood production
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: J.P. Muir --- , MozambiqueLeucaena leucocephala is a fast‐growing tree that can provide both high quality forage and firewood. The objective of this trial was to determine the optimum height and frequency of cutting for both wood and forage production. Cutting heights at 0.3... -
Botanical composition, yield and nutritional quality of grassland in relation to stages of harvesting and fertiliser application in the highlands of Ethiopia
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Z Tessema --- Department of Animal Sciences, Ethiopia A Ashagre --- , Ethiopia M Solomon --- Debre Zeit Agricultural Research Centre, EthiopiaLivestock production contributes to the livelihoods of the Ethiopian people; however, the productivity of the livestock subsector in the highlands is low due to malnutrition. Therefore, this study assessed the botanical composition, dry matter (DM) yield, chemical composition and in... -
The Nutritive Value of Tagasaste, a Leguminous Fodder Tree, in Marginal Summerrainfall Areas of South Africa
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: J.P. Lindeque --- , N. F.G. Rethman --- Department of Plant Production and Soil Science, Republic of South AfricaTagasaste (Chamaecytisus palmensis) was evaluated on a monthly basis for nutritive value: in vitro digestibility of organic matter (IVDOM), crude protein (CP), acid detergent fibre (ADF), neutral detergent fibre (NDF) and lignin. Tagasaste is able to produce highly digestible leaves... -
A note on the potential nutritive value of Ziziphus mucronata (buffalo thorn) foliage during different seasons
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Abubeker Hassen --- Department of Animal and Wildlife Science, South Africa NFG Rethman --- Department of Plant Production and Soil Science, South Africa WA van Niekerk --- Department of Animal and Wildlife Science, South AfricaFoliage of Ziziphus mucronata (buffalo thorn) was collected during the spring, summer and autumn. The chemical composition and in vitro digestibility of organic matter (IVDOM) of these samples were determined. Crude protein concentration ranged between 123–262 g kg DM−1, and... -
Forage yield and quality response of annual ryegrass (Lolium multiflorum) to different water and nitrogen levels
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Amanuel B Abraha --- Department of Plant Production and Soil Science, South Africa Wayne F Truter --- Department of Plant Production and Soil Science, South Africa John G Annandale --- Department of Plant Production and Soil Science, South Africa Melake K Fessehazion --- Department of Plant Production and Soil Science, South AfricaWater and nitrogen shortages in annual ryegrass (Lolium multiflorum) production can be improved by using proper irrigation and nitrogen scheduling methods. The aim of this research was to analyse the effect of water and nitrogen application on dry matter production... -
Digestibility of nutrients and aspects of the digestive physiology of the greater cane rat, journalThryonomys swinderianus journalin two seasons
Item type: Journal Article • Journal: African Zoology • Authors: A. Van Zyl --- Department Zoology and Entomology, South Africa J.H. Delport --- Department Zoology and Entomology, South AfricaThe greater cane rat, Thryonomys swinderianus, utilizes high fibrous plant material and is an important meat source in West Africa. An insight in its digestive physiology will enhance our understanding of its feeding habits. Digestibility coefficients of the food were... -
Nutrient intake, digestibility and rumen fermentation characteristics of sheep fed on selected forage sweet potato cultivars
Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: R. Irungu --- Kenya Agricultural and Livestock Research Organization, Kenya P.K. Migwi --- Egerton University, Kenya J.N. Kariuki --- Kenya Agricultural and Livestock Research Organization, Kenya A.Y. Guliye --- Egerton University, Njoro, KenyaSelected forage sweet potato cultivars (Ipomoea batatas Lam) have superior forage characteristics, have high rates of regeneration after harvest, are able to smother weeds and can tolerate diseases and moisture stress. However, little information is documented on their feeding value... -
Impact of seasonal nitrogen fertilisation on production characteristics of a mixed grass pasture in the Western Cape province of South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Carien Bester --- Department of Agronomy, South Africa Johan Labuschagne --- Research and Technology Development Services, Department of Agriculture Western Cape, South Africa Petrus J Pieterse --- Department of Agronomy, South AfricaPasture production in the Western Cape has traditionally been based on temperate species producing the majority of fodder during spring and autumn after which dry matter production decreases in winter. To investigate seasonal fertiliser nitrogen (N) management strategies to optimise... -
Seasonal diet composition and forage selectivity of Boer goats in a semi-arid gypsophilous grassland
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Miguel Mellado --- Department of Animal Nutrition, Mexico José A Villarreal --- Department of Botany, Mexico Miguel A Medina-Morales --- Department of Animal Nutrition, Mexico José R Arévalo --- Department of Parasitology, Ecology and Genetics, Spain José E García --- Department of Animal Nutrition, Mexico Cesar Meza-Herrera --- University Regional Unit of Arid Zones, MexicoBotanical and chemical compositions of Boer goat diets, determined with repeated collection of forage samples taken from the goat’s mouth, were studied in a gypsophilous grassland during four seasons of the year. Ten pluriparous goats were used to collect selected... -
Effect of nitrogen fertilisation during the cool season on daily growth rate, botanical composition and selected nutritive characteristics of a mixed grass-clover pasture in the Winelands sub-region of the Western Cape
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Johan Labuschagne --- , South Africa Carien Bester --- , South Africa Petrus J Pieterse --- , South AfricaNitrogen effects the productivity, botanical composition and quality of grass-clover pastures. Responses to N fertilisation are area and season specific and must be quantified to ensure optimal economical pasture production. A grass-clover pasture mixture was established under irrigation at Elsenburg... -
Nutritional quality of Calobota sericea fodders. A preliminary assessment
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Francuois L Müller --- , South Africa Clement F Cupido --- , South Africa M Igshaan Samuels --- , South AfricaThis study aimed to provide preliminary information regarding the nutritional quality of Calobota sericea, a preferred perennial legume forage species from the water-limited rangelands of South Africa. Calobota sericea plant samples were collected from the Namaqualand rangelands in the wet... -
Observations on diet and seed digestion in a Sand Dune Lizard, Meroles anchietae
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: KennethA. Nagy --- University of California, USA DanielleR. Shemanski --- University of California, USAShovel‐snouted sand dune lizards, Meroles anchietae, are reported to include much seed from grasses and fig marigolds in their diets year‐round. This diet is quite unusual for a reptile, and invites investigation. We had an opportunity to examine the diet... -
Participatory inventory and nutritional evaluation of local forage resources for smallholder free-range beef production in semi-arid areas of South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Ayanda Nyambali --- University of Fort Hare, South Africa Julius T Tjelele --- Animal Production Institute, South Africa Mthunzi Mndela --- Animal Production Institute, South Africa Cletos Mapiye --- Stellenbosch University, South Africa Phillip Strydom --- Stellenbosch University, South Africa Emiliano Raffrenato --- Stellenbosch University, South Africa Kennedy Dzama --- Stellenbosch University, South Africa Voster Muchenje --- University of Fort Hare, South Africa Ntuthuko Mkhize --- Animal Production Institute, South AfricaFeed scarcity is a major challenge facing free-range beef farming in semi-arid areas. Specifically, low quality and quantity of forage in rangelands and higher feeding costs are the main constraints limiting smallholder free-range beef farmers’ participation in mainstream beef markets... -
Histological arrangements of plant tissue of different elephant grasses as influenced by their genotypes
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: --- Universidade Federal Rural de Pernambuco, Brazil --- Universidade Federal Rural de Pernambuco, Brazil --- Universidade Federal Rural de Pernambuco, Brazil --- Universidade Federal Rural de Pernambuco, Brazil --- Universidade Federal Rural de Pernambuco, Brazil --- Universidade Federal Rural de Pernambuco, Brazil --- Universidade Federal Rural de Pernambuco, Brazil --- Universidade Federal Rural de Pernambuco, BrazilElephant grass genotypes display a variety of morphological differences, influencing the nutritive value of the forage. This study evaluated the histological arrangements of the leaves and stems of different elephant-grass genotypes, two tall-sized (Elephant B and IRI-381) and two dwarfs... -
Does the presence of tall or dwarf elephant grass genotypes change the nutritive value of butterfly pea in grass–legume intercrops?
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Tafnes Bernardo Sales-Silva --- Federal Rural University of Pernambuco, Brazil Mércia Virginia Ferreira dos Santos --- Federal Rural University of Pernambuco, Brazil Osniel Faria de Oliveira --- Federal Rural University of Pernambuco, Brazil Pedro Henrique Ferreira da Silva --- Federal Rural University of Pernambuco, Brazil Alexandre Carneiro Leão de Mello --- Federal Rural University of Pernambuco, Brazil Evaristo Jorge Oliveira de Souza --- Federal Rural University of Pernambuco, Brazil Márcio Vieira da Cunha --- Federal Rural University of Pernambuco, BrazilAdding tropical legumes into grass-based forage systems may increase the nutritive fodder value, but competition may decrease legume quality. We evaluated the nutritional values and agronomic responses of tall and dwarf elephant grass genotypes (Cenchrus purpureus (Schumach.) Morrone.) and butterfly... -
Chemical composition and in-vitro dry matter degradability of Eragrostis curvula grass hay supplemented with Raphanus sativus
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Lwando Mbambalala --- School of Agricultural, Earth and Environmental Science, University of KwaZulu-Natal, South Africa Ntuthuko Raphael Mkhize --- School of Agricultural, Earth and Environmental Science, University of KwaZulu-Natal, South Africa Thamsanqa Doctor Empire Mpanza --- Agricultural Research Council-Animal Production: Animal Nutrition Section, South Africa Zikhona Theodora Rani-Kamwendo --- School of Agricultural, Earth and Environmental Science, University of KwaZulu-Natal, South Africa Sphesihle Mkhungo --- Department of Agriculture and Rural Development, South Africa Lucky Sithole --- Department of Agriculture and Rural Development, South Africa Mutshidzi Given Musekwa --- School of Agricultural Sciences, Faculty of Natural and Agricultural Sciences, South Africa Lusanda Ncisana --- School of Agricultural, Earth and Environmental Sciences, University of KwaZulu-Natal, South Africa Khuliso Ravhuhali --- School of Agricultural Sciences, Faculty of Natural and Agricultural Sciences, South Africa Tlou Julius Tjelele --- University of South Africa, South AfricaIn developing countries, smallholder livestock farmers face significant challenges due to inadequate feed availability and poor-quality forage. This study investigated the potential of fodder radish (Raphanus sativus) as a protein supplement for low-quality grass hay. Specifically, it examined the effects... -
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...