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Browsing Theses and Dissertations (University of Pretoria) by Supervisor "Ganswindt, Andre"
Now showing items 1-19 of 19
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(University of Pretoria, 2021-04)Southern right whales (Eubalaena australis) in South Africa have been extensively studied since 1979 through annual photo-identification surveys. The resulting database revealed an increased rate of reproductive failure ...
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(University of Pretoria, 2014)Commingling of horses from various populations, together with physiological stress associated with transport and confinement at a sales complex, may be associated with detection and transmission of equine herpesvirus ...
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(University of Pretoria, 2016)A pig is any listed animal species in the genus Sus, within the family Suidae of even-toed ungulates. The domestic pig (Sus scrofa domesticus) (also referred to as swine or hog) is a large, domesticated, eventoed ungulate ...
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(University of Pretoria, 2012)Hot-iron branding on the upper hind limb in beef feedlot calves is a usual part of the processing procedure at arrival in many feedlots in South Africa. However, cheek branding is becoming more popular in feedlots due to ...
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(University of Pretoria, 2011-01-04)Due to overpopulation of African elephants in South Africa and the consequent threat to biodiversity, the need for a method of population control has become evident. The potential use of the porcine zona pellucida (pZP) ...
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(University of Pretoria, 2021-12)Health and welfare are inextricably linked within efficient and sustainable dairy production. There are several potential risk factors which may affect the well-being of dairy cows, including chronic stress. Even though ...
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(University of Pretoria, 2020-10)South African southern right whales (SRWs; Eubalaena australis) have been studied intensively since 1969, and annual aerial surveys between 1971 and 2006 indicate a predominant 6.9% annual population growth rate – a ...
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(University of Pretoria, 2021-07)Analyses of steroid hormones such as glucocorticoids (GC) are widely used to understand how animals respond to environmental perturbations. Circulating GCs increase in response to a wide range of stressful stimuli in birds. ...
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Monitoring adrenocortical function as a measure of stress in blue wildebeest (Connochaetes taurinus) (University of Pretoria, 2016)Like many other wildlife species, blue wildebeest (Connochaetes taurinus) are routinely captured for relocation purposes. Several studies have shown that physiologically this is a very stressful period for wild animals and ...
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(University of Pretoria, 2017)It is important to manage potential stress experienced by animals used in teaching veterinary students various clinical procedures so as to not compromise animal welfare standards. In this study the potential stress ...
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(University of Pretoria, 2022-09)As capital breeders, southern right whales (Eubalaena australis; hereafter SRW) migrate from offshore summer feeding areas to coastal winter calving grounds. Although SRW population parameters are well studied in coastal ...
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(University of Pretoria, 2021-05-26)The substantial differences in geological and geochemical heterogeneity, combined with gradients in precipitation, vegetation and climatic conditions result in the natural distribution of trace elements at different spatial ...
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(University of Pretoria, 2021-07-02)The tiger (Panthera tigris) is among the most endangered apex predators in the world and is believed to be the second-most trafficked animal on Earth, after pangolins. In the last century their habitats have been reduced ...
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(University of Pretoria, 2021)Currently, pangolins are the most trafficked wild mammals in the world, but due to their elusive nature, they are critically understudied. Thus, in addition to acquiring basic knowledge, there is an increased need for ...
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(University of Pretoria, 2013)During the past 15 years crocodile farming has become more important and sophisticated all over the world. In South Africa there are currently an estimated one million Nile crocodiles (Crocodylus niloticus) on commercial ...
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(University of Pretoria, 2020)Although rock hyrax (Procavia capensis) is an abundant species in urban areas of South Africa, limited information exists of their physiological stress response when exposed to anthropogenic disturbances. Previous endocrine ...
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(University of Pretoria, 2017)Housing conditions for laboratory animals can be improved by ensuring that animals are given an opportunity to perform species-specific behaviour. However, in most institutions space is a limiting factor because housing ...
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Thesis (University of Pretoria, 2021-05)The knowledge of the reproductive biology of the roan antelope (Hippotragus equinus) is crucial to improve management practices in conservation breeding programmes for this species. In this study, I studied the reproductive ...
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(University of Pretoria, 2012-10-11)Group size affects individual and collective vigilance levels of prey species. As individual vigilance decreases with increasing group size, the indirect risk of predation to each individual and the group as a whole will ...
Now showing items 1-19 of 19