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Factors affecting the voluntary feed intake of sheep grazing Pennisetum clandestinum (kikuyu) pastures: Observations from forage analysis
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: J.P. Henaar --- Agricultural Research Council, Republic of South Africa N.M. Tainton --- Department of Grassland Science, Republic of South Africa J.B.J. van Ryssen --- Department of Animal & Poultry Science, Republic of South AfricaSheep were used in two investigations to study factors which could limit voluntary intake of Pennisetum clandestinum (kikuyu) pasture. Possible reasons for the low intakes were found in the high soluble nitrogen and nitrate content of the pasture, its high... -
Factors affecting the voluntary feed intakes of sheep grazing Pennisetum clandestinum (kikuyu) pastures: Observations in the animal
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: J.P. Pienaar --- Agricultural Research Council, Republic of South Africa N.M. Tainton --- Department of Grassland Science, Republic of South Africa J.B.J. van Ryssen --- Department of Animal and Poultry Science, Republic of South Africa J.P. Swiegers --- , Republic of South AfricaTwo experiments designed to establish possible reasons for the oftenâobserved low voluntary feed intake of animals grazing kikuyu pastures were conducted at two widely differing locations. Low digestibility and low rate of digestion limited feed intake only when sheep were... -
Condensed tannins and saponin content in different plant parts of Stylosanthes scabra (Fitzroy) plants harvested from agro-ecologically different sites in Zimbabwe
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: JJ Baloyi T Acamovic M Odoardi N Berardo NT Ngongoni H HamudikuwandaThe objective of this study was to determine the proanthocyanidin (PA; condensed tannin) and saponin contents of different parts of Stylosanthes scabra (Fitzroy) plants harvested from five agro-ecologically different sites in Zimbabwe. Condensed tannins and saponin content of S. scabra... -
Molluscicidal effects of Persicaria senegalensis on terrestrial snails Cornu aspersum in South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: MC Mathole --- Sefako Makgatho Health Sciences University, South Africa PH King --- Sefako Makgatho Health Sciences University, South AfricaCornu aspersum is an invasive terrestrial snail pest of the family Helicidae. In South Africa, where the snail causes significant crop losses in viticulture areas, synthetic molluscicides are used to control them. However, the latter negatively affects both those who...