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Theses and Dissertations (Animal and Wildlife Sciences): Recent submissions
Now showing items 361-380 of 393
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(University of Pretoria, 2008-07-16)This trial was conducted in two phases during the period of February 2002 – June 2003. In phase 1 of the study the growth potential of calves fed either commercial Surromel Calf® (CSM) or experimental Surromel Calf (ESM) ...
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(University of Pretoria, 2012-06-07)The aim of this study was to develop and examine the validity of using a phenotype scoring system (PTS), a new concept, in evaluating milk yield and constituents in different goat genotypes (Indigenous, British Alpines, ...
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(University of Pretoria, 2012-06-06)In this study, 20 young steers received no beta-adrenergic agonist (C), 100 animals all received zilpaterol hydrochloride, with 1 group only receiving zilpaterol (Z) while the other 4 groups received zilpaterol and vitamin ...
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(University of Pretoria, 2007-05-30)In this study the possibility to change to test-day models for genetic evaluation of production traits and somatic cell score of South African dairy breeds (i.e. Ayrshires, Guernseys, Holsteins and Jerseys) was investigated. ...
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(University of Pretoria, 2006-06-05)Please read the abstract in the section 00front of this document Please note that pages 28, 199 and 264 were missing in the used copy
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(University of Pretoria, 2009-06-02)This work was carried out with the objective of improving dairy farms in Cameroon using an integrated method. Research done in the area on milk production in the country was reviewed. A participatory rural appraisal was ...
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Effect of the production environment on the production efficiency of Bonsmara cows in South Africa (University of Pretoria, 2012)The production environment is known to have a large influence on extensively managed beef cows. A better understanding of the relationship between the beef cow and her environment should be useful in the pursuit of improving ...
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(University of Pretoria, 2013-05-24)The aim of this study was to compare the growth performance and incidences of health disorders of the Drakensberger breed to the collective total of all other beef breeds in feedlots. The objective was to conduct a ...
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(University of Pretoria, 2012)This study was conducted with the aim to investigate the efficacy of exogenous enzyme supplementation in releasing metabolisable energy in broiler feeds. Two performance trials were conducted during this study. Effects ...
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(University of Pretoria, 2012)Rumen protected methionine has been used in an effort to improve the amino acid composition of metabolisable protein since the early 1960’s. The positive response in dairy cows in terms of milk protein composition and milk ...
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(University of Pretoria, 2006-06-02)The aim of the present study was to investigate the bioavailability of selenium (Se) from milled soya beans, a plant protein, to lambs after various degrees of heat treatment. Thirty Dohne Merino lambs (ca. 25 kg live ...
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(University of Pretoria, 2006-05-20)Please read the abstract in the section 00front of this document
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(University of Pretoria, 2007-05-17)Please read the abstract in the section 09summary of this document
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(University of Pretoria, 2011)The effect of germination on the levels of certain antinutritional factors, nutritional composition and in vitro protein digestibility (IVPD) of soybean seeds were determined. Raw soybeans contain antinutritional factors, ...
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(University of Pretoria, 2004-02-27)Records of the La Rochelle S.A. Mutton Merino stud were analysed to determine the importance of possible contributing non-genetic sources of variation on growth and reproductive traits. Growth traits analysed were pre-weaning ...
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(University of Pretoria, 2007-05-08)Mycotoxins have become an important issue for the grain industry and animal producers with a growing interest in the decontamination and remediation of highly contaminated feedstuffs. Practical methods to detoxify ...
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(University of Pretoria, 2013-05-07)A biosystematic study of seven Afrotropical and two Oriental species of the Imicola species-group was undertaken; this group of Culicoides of the subgenus Avaritia includes C. imicola the most important vector of the viruses ...
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(University of Pretoria, 2006-05-19)The purpose of the current research project was to undertake a thorough quantitative and qualitative survey of the vegetation on Ngamba Island. Based on the results of this survey suggestions are made for future management ...
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(University of Pretoria, 2012-10-01)Determination of rumen escape of rumen protected nutrients is needed to accurately assess the amount of nutrients that can be absorbed and utilised from the intestinal tract of dairy cows. This assessment allows more precise ...
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(University of Pretoria, 2008-04-24)The objective of this study was to investigate the growth performance, feed conversion efficiency and other production traits of beef cattle performance tested on the farm. Performance testing records (collected from 2000 ...
Now showing items 361-380 of 393