Zobrazeno 1 - 10
of 129
pro vyhledávání: '"W.A. van Niekerk"'
Publikováno v:
South African Journal of Animal Science; Vol. 51 No. 5 (2021); 566-577
In South Africa, supplemental feeding is provided to improve the condition of breeding livestock before the animals are sold by the stud breeders to commercial farmers. This study aimed to evaluate the effects of different ram rearing systems on grow
Publikováno v:
Animal Production Science. 60:1777
Context Reducing emissions of greenhouse gases from livestock production systems is a global research priority. Forages that contain condensed tannins, such as the perennial legume Lespedeza cuneata, may help to reduce ruminant methane (CH4) emission
Autor:
Abubeker Hassen, R.J. Coertze, Belete Shenkute Gemeda, R.M. Moyo, C. J. L. du Toit, W.A. van Niekerk
Publikováno v:
South African Journal of Animal Science; Vol 46, No 1 (2016); 21-28
South African Journal of Animal Science, Volume: 46, Issue: 1, Pages: 21-28, Published: 2016
South African Journal of Animal Science, Volume: 46, Issue: 1, Pages: 21-28, Published: 2016
Wet distillers grains with soluble (WDGS) were blended with whole maize plants on an as-fed basis at 0%, 20%, 30%, and 40% and ensiled in 3 L bottles to evaluate the silage fermentation characteristics and ensiling quality in a complete randomized de
Effect of diets differing in rumen soluble nitrogen on utilization of poor-quality roughage by sheep
Publikováno v:
South African Journal of Animal Science; Vol 45, No 5 (2015); 528-537
South African Journal of Animal Science, Volume: 45, Issue: 5, Pages: 528-537, Published: 2015
South African Journal of Animal Science, Volume: 45, Issue: 5, Pages: 528-537, Published: 2015
This study investigated the effects of replacing rapid-release nitrogen (N) from urea with a graded level of slow-release N (Optigen® II) source on intake, digestibility, rumen fermentation and microbial protein synthesis, when sheep were fed a poor
Publikováno v:
The Rangeland Journal. 40:1
The development of greenhouse gas mitigation strategies has become an important issue globally. Enteric methane (CH4) emissions from livestock do not only contribute substantially to the environmental footprint of livestock production but it also rep
Publikováno v:
African Journal of Range & Forage Science. 26:91-96
This study examined intraspecific variation in mineral composition and rumen degradability of Atriplex nummularia plants and the influence on selection preferences of sheep. Individual plants were categorised into high, medium and least preference gr
Publikováno v:
African Journal of Range and Forage Science; Vol 25, No 3 (2008); 141–145
An experiment was conducted to investigate the influence of stage of growth at harvest on fermentative characteristics of Digitaria eriantha subsp. eriantha silage. The treatment included three different growth stages (early vegetative, boot stage an
Publikováno v:
Animal Feed Science and Technology. 136:312-322
Two experiments were completed to determine the influence of season/year and species on forage quality of Indigofera accessions. In Experiment 1, leaf material was collected from five Indigofera species (i.e., I. amorphoides, I. arrecta, I. brevicaly
Publikováno v:
African Journal of Range and Forage Science; Vol 24, No 1 (2007); 25-34
The effects of moisture stress were evaluated in four Indigofera species (I. amorphoides, I. arrecta, I. coerulea and I. vicioides) using a pot experiment under glasshouse conditions. The aim was to examine the influence of moisture-deficit stress on
Publikováno v:
South African Journal of Animal Science; Vol 43, No 3 (2013): Special Issue: A balanced perspective on animal production, from environment to human health; 376-393
Previous greenhouse gas (GHG) inventories did not include game as an emissions source. Recently game farming has become a recognized commercial enterprise in the agricultural sector in South Africa, contributing approximately R10 billion to the secto