226 publication(s) trouvée(s)
Article scientifique
Comparison between the effects of zilpaterol hydrochloride and R-salbutamol fed during the finishing period on the growth and carcass characteristics of feedlot cattle
This study aimed to compare the effects of feeding 60 mg of the β-adrenergic agonist, zilpaterol HCl (Zilmax®), per steer …
Article scientifique
Knowledge, attitudes, and practices of farmers on antibiotic use, resistance, and stewardship in food animal production systems in KwaZulu-Natal, South Africa
Non-therapeutic use of antibiotics for metaphylaxis, prophylaxis, and growth promotion in food animal production systems contributes to the emergence and …
Article scientifique
Effects of production stage and fertility traits on milk production of pasture-grazed Holstein and Jersey cows in a Mediterranean-type climate region
The aim of this study was to compare the milk production of Holstein and Jersey cows on pasture as affected …
Article scientifique
Differential gene expression in the Longissimus dorsi of Nguni and Bonsmara bulls finished on low and high energy diets
Objectives of this research were to examine differential gene expression profiles of Nguni and Bonsmara cattle fed diets differing in …
Article scientifique
MC4R gene polymorphisms for classification of growth efficiency and carcass measurements in two rabbit breeds in Egypt
Melanocortin 4 receptor (MC4R), a protein derived from the MC4R gene, is involved in feed intake, metabolism control, and body …
Article scientifique
Meat quality characteristics of Tankwa goats from Carnarvon, Northern Cape
The aim of this study was to determine the post-mortem meat quality characteristics of extensively reared Tankwa goats to identify …
Article scientifique
Effect of extrusion with molasses on the rumen undegradable protein fraction of canola oilcake meal and sweet lupins
The effect of the extrusion of canola oilcake meal (COM) and crushed sweet lupins (CSL) with molasses on the dry …
Article scientifique
The effect of formaldehyde treatment of canola oilcake meal and sweet lupins on the in situ dry matter and crude protein digestibility
The value of feed protein sources in ruminant nutrition is measured by how effectively the protein is degraded in the …
Article scientifique
Influence of reduced dietary protein level on quality of pork carcasses in Windsnyer pigs
To promote the sustainable production of local pigs, their dietary protein requirements need to be determined. Meat production from these …
Article scientifique
In vitro ruminal fermentation parameters of canola meal protein in response to incremental doses of gamma irradiation
Rapid ruminal degradation of canola meal (CM) limits its feed value for high-producing ruminants. Attempts to reduce ruminal degradability of …
Article scientifique
Responses of broiler chickens fed diets containing sunflower meal and wheat middlings pre-treated with enzymes
The effects of feeding diets containing sunflower and wheat middlings pre-treated with fibredegrading enzymes were investigated. Based on hatch body …
Article scientifique
Morula (Sclerocarya birrea) kernel cake as a partial soybean meal replacer in Ross 308 broiler diets: Effects on feed utilisation, growth performance, and selected blood parameters
The effects of replacing soybean meal (SBM) with graded levels of morula kernel cake (MKC) on growth performance and haemo-biochemical …
Article scientifique
Assessing the efficiency of smallholder wool farmers in the changing paradigms of the Free State province of South Africa
The South African population is predicted to increase to almost 66 million by 2030. This necessitates paradigm shifts to improve …
Article scientifique
Effects of milking machine settings and teat liners on bovine udder health
The purpose of milking machines is to harvest milk at an optimum speed while maintaining cow comfort and preserving teat …
Article scientifique
Principal Component Analysis of morphometric traits and body indices in South African Kalahari Red goats
Principal component analysis (PCA) is a vital statistical technique for defining the morphological structure of livestock but has not been …
Article scientifique
Interaction of protein supplementation and ecotype on growth performance and carcass traits of Nguni goats
Nguni goats are thought not to respond to dietary protein supplementation. The objective of the study was to determine the …
Article scientifique
The impact of dietary protein content and lighting programme on breast meat yield in broiler chickens
Effects of the interaction between lighting programme and dietary protein content on broiler performance and meat yield were investigated. The …
Article scientifique
Effects of different feeding systems on growth, fat accumulation and semen quality of Merino-type sheep
In South Africa, supplemental feeding is provided to improve the condition of breeding livestock before the animals are sold by …
Article scientifique
Polymorphism of growth hormone gene and its association with body measurement traits in Boer goat does
The study examined single nucleotide polymorphisms (SNPs) in the growth hormone gene (GH1) in Boer goat does and their relationship …
Article scientifique
Gene-set enrichment analysis of selective sweeps reveals phenotypic traits in Nguni cattle
Adaptation of animals to different environments is typically associated with structural and functional genomic variations. High throughput SNP genotyping and …