Masters Degrees (Animal Sciences)
Recent Submissions
-
The effect of fenugreek seed cotyledon extract (Trigonella foenum-graecum L.) supplementation on feedlot beef cattle production
(Stellenbosch : Stellenbosch University, 2022-12)ENGLISH ABSTRACT: Globally, beef producers are constantly improving and expanding their production systems to keep up with the demand for beef. Consumer preferences further pressure producers to reduce chemicals as ... -
Studies on the response of lambs and ewes to changes in the ambient climate owing to climate change
(Stellenbosch : Stellenbosch University, 2022-12)ENGLISH ABSTRACT: This study investigated the impact of climate instability on neonatal lamb behaviour as a proxy for lamb survival in a winter lambing season in the Western Cape, as well as the impact of increased ... -
The effect of milk replacer intake and level of crude protein in starter feed on dairy bull calf pre-weaning growth parameters and the carry-over effect on post-weaning growth and profitability
(Stellenbosch : Stellenbosch University, 2022-12)ENGLISH ABSTRACT: Currently worldwide, during the liquid phase, calves are generally fed conventional volumes (4 L/day) of milk replacer (MR) with ad libitum starter feed ranging between 160 g CP/kg DM and 210 g CP/kg ... -
The preservation of neonate Hermetia illucens larvae for the purpose of long-distance transportation
(Stellenbosch : Stellenbosch University, 2022-12)ENGLISH ABSTRACT: Good quality protein sources, which are economically and ecologically sustainable are scarce. Insects are proposed as a sustainable, high-quality protein alternative. Hermetia illucens larvae have ... -
Techniques used to increase the rumen undegradable protein fraction in locally produced plant protein sources
(Stellenbosch : Stellenbosch University, 2022-12)ENGLISH ABSTRACT: With pressure directed towards South African farmers to fulfill the increasing mutton and lamb demand along with increasing commodity prices, the necessity presents itself to make use of more affordable, ... -
An efficiency and economic comparison of conventional and radio frequency identification slaughter readiness methodology in commercial lamb feedlots
(Stellenbosch : Stellenbosch University, 2022-12)ENGLISH ABSTRACT: Lamb feedlots are closed intensive systems that takes advantage of high growth rates to rear lambs for carcass production and consumption. Different feedlots use different methods to select slaughter ... -
An in vitro comparison of plant‐based protein sources and their effects on feedlot lamb growth parameters
(Stellenbosch : Stellenbosch University, 2022-12)ENGLISH ABSTRACT: Protein supplements are a very costly component of animal feed and the importance of allocating high-quality protein sources that is economically viable, consistent, and sustainable is important. By ... -
Thermal induction of tetraploidy and assessment of selected DNA quantification methods in African sharptooth catfish, Clarias gariepinus
(Stellenbosch : Stellenbosch University, 2022-04)ENGLISH ABSTRACT: Producing viable African sharptooth catfish (C. gariepinus) tetraploids has become imperative and potentially beneficial in aquaculture for mass production of sterile triploids, which can be generated ... -
Effect of feed composition and sex on feedlot performance, carcass characteristics and profitability of Dorper lambs
(Stellenbosch : Stellenbosch University, 2022-04)ENGLISH ABSTRACT: The Dorper is the most numerous of the meat sheep breeds in South Africa. However, the early maturity of the breed and its tendency to deposit localised fat at an earlier age, typically requires them ... -
The influence of heat stress on the functionality of ovine spermatozoa
(Stellenbosch : Stellenbosch University, 2022-04)ENGLISH ABSTRACT: With the current trend in the global human population growth, the demand for animal production is predicted to increase significantly in the coming years. The increased demand for animal products ... -
The effect of feed processing and nutrient density level on the growth rate, feed conversion, rumen fermentation parameters and economy of finishing lambs
(Stellenbosch : Stellenbosch University, 2022-04)ENGLISH ABSTRACT: The primary objective of this study was to investigate the influence of feed processing on lamb performance, feedlot profitability and rumen fermentation parameters and the interaction of feed pelleting ... -
Ultrasound scanning and body condition scoring as aids to reproduction management of sheep
(2022-04)ENGLISH ABSTRACT: The body condition scoring (BSC) and ultrasound scanning of ewes with reference to their reproductive performance are management tools with potential to ease the management, nutrition and breeding of ... -
Ranching with sable antelope (Hippotragus niger niger) in South Africa
(Stellenbosch : Stellenbosch University, 2022-04)ENGLISH ABSTRACT: This research focuses on aspects not currently known but essential to ranch with sable antelope (Hippotragus niger niger) successfully. This includes determining the metabolizable energy requirements, ... -
The effect of fenugreek seed cotyledon extract on milk yield and composition in Holstein cows
(Stellenbosch : Stellenbosch University, 2022-04)ENGLISH ABSTRACT: Trigonella foenum-graecum L. (Fenugreek) has traditionally been used for a wide range of medicinal properties of which its galactagogic, hypoglycaemic and hypocholesterolaemic properties have held particular ... -
Development of a model for crossbred lamb production
(Stellenbosch : Stellenbosch University, 2021-12)ENGLISH ABSTRACT: Historically the sheep industry has played an important role in the South African agricultural landscape, but due to changing circumstances and growing challenges it may find its continued ... -
A systematic review of the effect of rearing substrate composition on the fatty acid profile of black soldier fly larvae (Hermetia illucens)
(Stellenbosch : Stellenbosch University, 2021-12)ENGLISH ABSTRACT: As the agricultural sector is faced with providing sufficient nutritious and affordable food for the global population, the need for more sustainable agricultural practices is highlighted. One of the ... -
The effects of Cannabidiol oil derived from hemp on the growth performance and wellbeing of oreochromis niloticus
(Stellenbosch : Stellenbosch University, 2021-12)ENGLISH ABSTRACT: Cannabis sativa is an herbaceous plant that contains a cannabinoid known as Cannabidiol (CBD) which has similar properties as delta-9-tetrahydrocannabinol (THC), without the psychoactive effect. ... -
Waste to protein: nutrient cycling through integrated farming
(Stellenbosch : Stellenbosch University, 2021-12)ENGLISH ABSTRACT: This study addressed the sustainability of our food system with specific focus on nutrient wastage and the treatment or recycling thereof. Black soldier fly (BSF) farming is a well-known method for ... -
A meta-analysis of the role of subpopulation analysis in the qualification and quantification of sperm sample quality, and the relationship with male fertility
(Stellenbosch : Stellenbosch University, 2021-04)ENGLISH ABSTRACT: Given the predicted increase in the world population by 2050, the expected demand for animal products places increasing pressure on livestock farmers to farm as sustainable and cost-efficient as possible, ... -
Quantification and differentiation of egg quality as affected by hen age and storage time, with the aid of near infrared hyperspectral imaging
(Stellenbosch : Stellenbosch University, 2021-04)ENGLISH ABSTRACT: The aim of the study was to investigate the effect of hen age and egg storage time on certain internal, external and proximate egg quality parameters. Additionally, near infrared (NIR) hyperspectral imaging ...
RSS 1.0