Masters Degrees (Animal Sciences)
Recent Submissions
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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, ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
Chemical and physical factors affecting starch digestibility in vitro and interactions with fibre
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: Maize is a valuable and expensive resource in the dairy industry. It is routinely used in ruminants’ diets as an energy concentrate to ensure that the high energy demands of top performing animals are ... -
Molecular characterization of the penile microbiome of Dorper rams (Ovis aries)
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: Characterizing the bacterial community inhabiting the penile environment of Dorper rams may provide insight into the aetiology of ulcerative balanoposthitis (UB), a venereal disease of unknown aetiology, ... -
Towards a management database to improve the sustainability of cattle production and its contribution to food security : a case of emerging beef farmers in Limpopo Province, South Africa
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: The main objective of the study was to assess and recommend the need for knowledge management strategies to improve sustainability of beef production and its contribution to food security in South Africa. ... -
Improved characterization of protein sources and implications on evaluation of rations for dairy cows
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: This study looked at a recent development in a new laboratory assay used to determine the unavailable nitrogen (uN) fraction in non-forage feeds. The need for this new assay was brought about as the current ... -
Effects of Nutrifen® and Nutrifen Plus® on reproductive performance and blood profiles of sows
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: In the livestock industry, plant-derived products are used as feed additives in order to improve production. Research on phytogenic feed additives has increased in recent years because of the ban on most ... -
The comparison of immunological responses of Brahman, Nguni and Angus cattle infested with Rhipicephalus microplus and Rhipicephalus decoloratus
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: Ticks and tick borne diseases pose major threats to modern South African cattle production. Rhipicephalus microplus and R. decoloratus are important tick species currently spread throughout most of Southern ... -
The effect of environmental enrichment on behaviour, production parameters and meat quality of finishing lambs in a feedlot
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: The effect of environmental enrichment in the form of a wooden platform on the production parameters, social, maintenance and feeding behaviour, frequency of stereotypical behaviours and meat quality of ... -
The influence of R-Salbutamol on feedlot performance, carcass characteristics and meat quality in Dorper ram, wether and ewe lambs
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: A study on the effects of different R-salbutamol inclusion levels in a commercial finishing diet, on feedlot performance of three Dorper lamb sexes were carried out. The investigation consisted of two ...
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