Department of Animal Sciences
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The effect of extensive human presence at an early age on stress responses and reactivity of juvenile ostriches towards humans
(MDPI, 2018-07)The effect of extensive human presence and regular gentle handling performed at an early age (0–3 months old) on stress responses and reactivity of juvenile ostriches towards humans was investigated. A total of 416 ostrich ... -
The Damara sheep : an appraisal of its reproductive performance and potential
(Stellenbosch : Stellenbosch University, 1998-03)ENGLISH ABSTRACT: Investigations undertaken in this research program was hampered by mainly two aspects viz. small numbers of animals available for research purposes and that the work was executed, due to circumstances, ... -
Direct PCR offers a fast and reliable alternative to conventional DNA isolation methods for gut microbiomes
(American Society for Microbiology, 2017)The gut microbiome of animals is emerging as an important factor influencing ecological and evolutionary processes. A major bottleneck in obtaining microbiome data from large numbers of samples is the time-consuming ... -
Conservation of indigenous cattle genetic resources in Southern Africa’s smallholder areas : turning threats into opportunities - A review
(Asian-Australasian Association of Animal Production Societies, 2017)The current review focuses on characterization and conservation efforts vital for the development of breeding programmes for indigenous beef cattle genetic resources in Southern Africa. Indigenous African cattle breeds ... -
Examining links between soil fertility and various nutrient management regimes on yield and quality of sweet potato (Ipomoea batatas)
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: Food producers are faced with the task of meeting growing global food demands that follow a surging and increasingly wealthy population. This pressure is compounded by a global movement towards sustainability ... -
Comparison of growth performance of Nile tilapia (Oreochromis niloticus) fingerlings fed different inclusion levels of black soldier fly (Hermetia illucens) pre-pupae meal diets and its effect on the physical characteristics of the feed
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: The nutritional composition of fish and the health benefit associated with the consumption thereof makes it a valuable food and feed source for both humans and animals. However, with the increasing size ... -
The nutritional potential of black soldier fly (Hermetia illucens) larvae as a protein source for broiler chicken diets
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: Insect protein is becoming an increased area of interest because of the potential positive effects that it may have in animal feeds. Insect protein is believed to have beneficial nutritional components ... -
An evaluation of defatted black soldier fly (Hermetia illucens) larvae as a protein source for broiler chicken diets
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: The growth rate of the chicken meat production industry needs to match or exceed the growth rate of the human population to provide sufficient dietary protein for as many people as possible. Thus, alternative ... -
Evaluation of feed additives Nutrifen® and NutrifenPLUS® on broiler performance
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: The main aim of this study was to determine the effects of feed additives Nutrifen® and NutrifenPLUS® on broiler performance over a period of 32 days. Two separate experiments were conducted; one to ... -
Enhancing animal welfare and improving production performance of feedlot cattle by introducing forms of environmental enrichment
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: The effect of environmental enrichment in the form of shading, formation of a manure heap and the stimulation of increasing visits to the feeding trough on the maintenance behaviour, social behaviour and ... -
Immunocastration and its application in ram lambs
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: In South Africa, Dohne Merino sheep are farmed extensively for wool and meat production. Ram lambs are typically castrated to enable easier management of mixed-sex flocks by manipulating reproduction and ... -
The evaluation of phytogenic feed additive as an alternative to antimicrobial growth promoter in broiler feeds
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: The use of antimicrobial growth promoters (AGPs) became extremely popular in livestock production after it was discovered that antimicrobials could promote health and animal productivity simultaneously. ... -
Improving ostrich welfare by developing positive human-animal interactions
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: Animal welfare has recently gained significant attention in commercial livestock industries worldwide. Specifically, several studies involving husbandry practices with positive human-animal interactions ... -
Beef production and quality of Malawi Zebu steers fed diets containing rangeland-based protein sources under feedlot conditions
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: The current study evaluated smallholder farmers perceptions towards climate change, their identification of potential protein sources during drought, the nutrition profile of these protein sources and ... -
The evaluation of locally produced full-fat canola seed (Brassica napus) as an alternative protein source in the diets of slaughter ostriches (Struthio camelus var. domesticus)
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: Ostriches are multi-purpose animals, producing feathers, leather and meat that contribute to the income generated from slaughter ostrich production. Compared to other domesticated farm animals, knowledge ... -
Genetic traits of relevance to sustainability of smallholder sheep farming systems in South Africa
(MDPI, 2017)Sustainable livestock production is important to ensure continuous availability of resources for future generations. Most smallholder livestock farming systems in developing countries have been perceived to be environmentally, ... -
The potential of rosmarinic acid, carnosic acid and carnosol as antioxidants to preserve sheep (Ovis aries) sperm viability and morphological integrity
(Stellenbosch : Stellenbosch University, 2017-12)ENGLISH ABSTRACT: The use of assisted reproductive techniques (ART’s) such as artificial insemination and embryo production, which requires the use of good quality sperm, is hampered by the susceptibility of ram sperm to ... -
Genomics as part of an integrated study of smallholder sheep farming systems in the Western Cape, South Africa
(Stellenbosch : Stellenbosch University, 2017-12)ENGLISH ABSTRACT: The aim of this study was to evaluate the productivity of smallholder sheep farming systems in the Western Cape, South Africa, using an interdisciplinary approach, combining socio-economic factors and ... -
The effects of supplementing alternative carbohydrate sources on production and fibre degradation of jersey cows grazing pasture.
(Stellenbosch : Stellenbosch University, 2017-12)ENGLISH ABSTRACT: Problems identified in the pasture-based dairy systems of the southern Cape of South Africa include lowered milk production during summer months, low milk solids during winter months, unsynchronised timing ... -
The relationship between copy number variations and tick resistance in South African Nguni cattle
(Stellenbosch : Stellenbosch University, 2017-12)ENGLISH ABSTRACT: The impact of ticks and tick-borne diseases on global livestock industries is an area of major concern. The ability of an animal to resist these arthropods varies within and between breeds. Tick resistance ...
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