226 publication(s) trouvée(s)
Article scientifique
Short communication: Genetic predisposition to wet carcass syndrome in sheep – evidence from a SNP-based heritability analysis
Wet carcass syndrome (WCS) is a defect that occurs in sheep and is characterised by a wet, translucent appearance of …
Article scientifique
Estimation of genetic parameters for growth and wool traits in South African Merino sheep
The estimation of genetic parameters allows for the accurate prediction of estimated breeding values (EBVs), which play a crucial role …
Article scientifique
Risk factors for non-adapting weaner lambs entering South African feedlots
A growing concern in South African feedlot systems is the increased prevalence of non-adapting weaner lambs. This study aimed to …
Article scientifique
Effects of feeding B. subtilis and B. licheniformis on the growth and carcass characteristics of feedlot lambs
This study investigated the effects of dietary Bacillus subtilis and Bacillus licheniformis supplements on the growth performance, carcass characteristics, dressing …
Article scientifique
Effect of the beta-adrenergic agonists, ractopamine hydrochloride and salbutamol, on the performance of finisher pigs
The efficacy and safety of beta-adrenergic agonist use in modern swine production are controversial. This study aimed to determine the …
Article scientifique
Copper nutritional status of free-ranging wild ruminants in southern Africa
To assess the copper nutritional status of southern African free-ranging wild ruminants, liver copper concentrations from more than 1000 animals …
Article scientifique
Nutrient profiling of locally available pig feed resources on small-scale farms in the Cape Metropole, South Africa
This study assessed the seasonal availability and nutrient profiles of pig feedstuffs present on small-scale farms in the Cape Metropole, …
Article scientifique
How does ewe age affect reproductive performance relative to rainfall conditions?
With climate change and its associated impacts on weather patterns being an inescapable reality, livestock producers will have to explore …
Article scientifique
Nutrition of ruminant livestock grazing natural pasture, with special reference to supplementary phosphorus and sodium chloride – a South African perspective
South Africa has a long history of studying specific dietary deficiencies in livestock grazing natural pastures (veld), with these pastures …
Article scientifique
Possible factors affecting the bioavailability of copper and the copper requirements of wild, free-ranging African herbivores: A review
Free-ranging wild herbivores in Africa comprise 78 species of ruminants and several species of monogastric hindgut fermenters, and are classified …
Article scientifique
Short communication: Effects of polyethylene glycol treatment on the chemical composition and in vitro dry matter degradability of Searsia lancea leaves
This study investigated the effects of incremental levels of polyethylene glycol (PEG) treatment on the chemical composition and in vitro …
Article scientifique
Effects of postpartum energy balance, body condition score, and insemination time on conception rates of Bonsmara cows bred using timed artificial insemination
Fertility management of extensively farmed beef cattle in South Africa is essential to ensure the economic viability of such production …
Article scientifique
Nutrient composition of swill fed to peri-urban free-roaming pigs in Gert Sibande, South Africa
Pigs need a balanced diet for optimum physiology. We therefore investigated the nutritional composition of variably sourced swill fed to …
Article scientifique
Assessment of heavy metal contamination in faeces of cattle grazing in wastewater treatment plants in Limpopo Province, South Africa
In Limpopo Province, South Africa, livestock commonly graze freely around wastewater treatment plants (WWTPs), raising contamination concerns and prompting the …
Article scientifique
The farm-gate methane intensity and blue water footprint of nine diverse beef cattle breeds in South Africa
A simulation study was done to estimate the methane intensity and blue water footprint of a weaner calf production system …
Article scientifique
Predicting body weight in Ross 308 broiler chickens using a data mining algorithm approach
Ross 308 broiler chickens are raised specifically for meat production, as they are fast growing and can be slaughtered at …
Article scientifique
Lamb behaviour during and shortly after tail-docking
Routine husbandry procedures for lambs are increasingly scrutinised for their animal welfare implications. One such procedure is tail-docking, which is …
Article scientifique
An HPLC-MS/MS method for the quantification of heat stress-related milk metabolites in milk from Holstein-Friesian cross-bred cows in Tanzania
The main objective of this study was to develop and validate a high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) method for …
Article scientifique
The effects of supplementing prickly pear (Opuntia ficus-indica) powder on dairy calves’ health and growth performance
This study aimed to evaluate the effects of dietary prickly pear (Opuntia ficus-indica) powderand Lactobacillus supplements on calf growth and …
Article scientifique
Behaviour of commercial layer hens in enriched cages and floor systems examined using human and video-based observations
There is considerable pressure to eliminate the use of conventional cages in commercial layer hen production systems. However, the assessment …
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