96 publication(s) trouvée(s)
Article scientifique
A whole farm model for quantifying total greenhouse gas emissions on South African dairy farms
This paper presents a model to quantify total greenhouse gas (GHG) emissions from dairy farms. The model, which is based …
Article scientifique
Using path analysis to predict bodyweight from body measurements of goats and sheep of communal rangelands in Botswana
The objective of this study was to determine the practicality of using linear body measurement traits to predict live weight …
Article scientifique
Humic acid and enzymes in canola-based broiler diets: Effects on bone development, intestinal histomorphology and immune development
The objective of the study was to investigate the effects of dietary inclusion of humic acid and enzymes on bone …
Article scientifique
Carcass and meat quality of Boer and indigenous goats of South Africa under delayed chilling conditions
This study was conducted to evaluate the carcass and meat quality of Boer goats and unimproved indigenous goats of South …
Article scientifique
Evaluation of production and reproduction of three South African Angora goat CYP17 genotypes
Two CYP17 genes, located on different loci and expressing enzymes with significantly different activities, have been identified in the South …
Article scientifique
Basal metabolic rate scaled to body mass within species by the fractal dimension of the vascular system and body composition
Previous investigations show that it is plausible that metabolic rates (MR) in all body organs and tissues scale with their …
Article scientifique
Influence of bioregion and environmental factors on the growth, size and reproduction of Bonsmara cows
A better understanding of the influences of the bioregion (production environment) and environmental factors on the productivity of beef cows …
Article scientifique
Comparison of on-farm progeny performances from local and imported boar semen used in the South African pig industry
The widespread use of artificial insemination in the pig industry has provided breeders with access to genetic material from superior …
Article scientifique
Genetic parameters for ewe reproduction with objectively measured wool traits in Elsenburg Merino flock
Reproduction is important for sustainable lamb production in Merino sheep. Data from a Merino flock maintained at Elsenburg Research Farm …
Article scientifique
GBP6: differential expression in pulmonary alveolar macrophages under PRRSV infection and association with blood parameters of its missense mutation
The GBP6 gene belongs to the gene family of interferon-gamma inducible GTPases, and is located in a previously characterized QTL …
Article scientifique
Replacing maize grain with dried citrus pulp in a concentrate feed for Jersey cows grazing ryegrass pasture
Dried citrus pulp (DCP) is a high-fibre by-product of the citrus industry. In total mixed ration (TMR) systems it has …
Article scientifique
Morphological assessment of Niger Kuri cattle using multivariate methods
A total of 406 adult cows and 34 bulls belonging to the Niger Kuri cattle population were assessed for 16 …
Article scientifique
Association between postpartum blood levels of glucose and urea and fertility of cross-bred dairy cows in Sudan
This study aimed to find correlations between blood glucose and urea levels and the duration of postpartum period (PPP), number …
Article scientifique
Performance of broiler chickens fed South African sorghum-based diets with xylanase
Two experiments were conducted to determine the influence of sorghum variety and xylanase on performance of broiler chickens. In Experiment …
Article scientifique
Growth performance, haemo-biochemical parameters and meat quality characteristics of male Japanese quails fed a Lippia javanica-based diet
A total of 105 male Japanese quails (153.2 ± 10.21 g) (Cortunix cortunix japonica) were reared in an environmentally controlled …
Article scientifique
Evaluation of growth, milk and manure production in Norwegian dairy goats in one highland of Tanzania 30 years after introduction
Dairy goats have been imported into Tanzania since the 1960s to improve the milk production of Small East African (SEA) …
Article scientifique
Basal metabolic rate scaled to body mass between species by the fractal dimension of the vascular system and body composition
Exercise-induced maximum aerobic metabolic rate (MMR) is related to the fractal dimension (D) of the self-similar vascular blood transport system …
Article scientifique
The influence of polyethylene glycol inclusion in Vachellia tortilis leaf meal on nitrogen balance in growing pigs
The incorporation of polyethylene glycol (PEG), a tannin binding agent, in high tannin feedstuff is known to prevent tannin-protein complexes. …
Article scientifique
Changes in the composition and fatty acid profile of Najdi ewes’ milk before and after weaning
This trial aimed to study the changes in the yield, composition, and fatty acid (FA) profile of ewes’ milk during …
Article scientifique
Preliminary genome-wide association study for wet-dry phenotype in smallholder ovine populations in South Africa
The aim of this study was to identify single nucleotide polymorphisms (SNPs) associated with genomic region underlying variation in the …