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Browsing Animal and Wildlife Sciences by Supervisor "Casey, N.H. (Norman Henry)"
Now showing items 1-20 of 25
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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, 2018)This study analysed pig carcass records from a commercial abattoir to determine the existence of variance between/within the parameters, warm carcass mass (WCM) and back fat thickness (Fat), of the South African pig carcass ...
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(University of Pretoria, 2005-11-21)Six livestock owners, who are commonly used as demonstrators, participated in the study of which three were from communal areas and three from freehold farms in the Ganyesa area. The livestock production potential in ...
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(University of Pretoria, 2008)Galactopoietic effects of somatotropin are the result of IGF-I and require high-quality nutrient intake. This study investigated short-term partitioning effects during recombinant bovine somatotropin (bST) administration ...
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(University of Pretoria, 2008-07-16)The objective of this study was to develop water quality guidelines for poultry reared under South African conditions and production systems. This was achieved by a modeling approach that was based on a survey of water ...
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(University of Pretoria, 2010-09-09)Assessment of a significant number of water samples across South Africa by Casey and Meyer over a number of years, revealed that high concentrations (30- 32 mg/L) of bromine (Br) occur naturally within groundwater in South ...
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(University of Pretoria, 2005-08-05)No abstract provided
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(University of Pretoria, 2005-08-15)The aim of this study was to evaluate the effect of glycosylation on exogenous xylanase stability when incubated under proteolytic conditions. Xylanase produced by Trichoderma longibrachiatum, was purified using gel ...
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Effect of TDS content of water on the selenium status and certain growth parameters of mutton sheep (University of Pretoria, 2007-07-31)Selenium (Se) is an essential mineral in the animal body for effective metabolism and health reasons. It can also have toxic effects if ingested in amounts exceeding the body’s metabolic requirements for extended periods ...
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(University of Pretoria, 2010-08-08)The current modern commercial pig is an animal that has evolved through deliberate breeding programs, controlled environmental influences and nutrition to yield a highly efficient feed converter and fertile animal. The ...
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(University of Pretoria, 2009-06-17)The occurrence of potentially hazardous chemical constituents (PHCC) in subterranean water and the divergent potential for bioaccumulation in different production systems, made it necessary to investigate the effect of ...
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(University of Pretoria, 2007-07-13)Biological and economic efficiencies of major genes for feather reduction (naked neck and frizzle) and body size reduction (dwarf) in a dual purpose layer strain were evaluated in the subtropical coastal region of South-East ...
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(University of Pretoria, 2006-08-22)The full text of this thesis/dissertation is not available online. Please <a href="mailto:upetd@up.ac.za">contact us</a> if you need access. Read the abstract in the section 00front of this document.
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(University of Pretoria, 2010-09-21)The aim of this thesis was to investigate how fiber growth of goats is determined by genotype, (purebred Angora and crossbred between Angora and Boer goat), physiological stages of the females from mid pregnancy until fifty ...
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(University of Pretoria, 2010-09-09)This study analysed first parity productivity records over a determined time period of three years from two selected commercial pig production units on the Highveld, and determined whether seasonal differences in ...
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(University of Pretoria, 2001)Native fowl populations in South Africa were characterized genetically and phenotypically. Four South African native populations, two dual-purpose breeds, and two populations from Mozambique and Botswana were included for ...
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The Influence of dietary energy levels on subcutaneous fatty acid profiles and meat quality in sheep (University of Pretoria, 1992)This study investigated the effect of nutritional energy levels on meat quality characteristics, through effects on the fatty acid profiles of the subcutaneous fat in sheep. Two rations containing 11. 76MJ ME/kg DM and ...
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(University of Pretoria, 2006-07-11)Please read the abstracts of chapters 1-3 on pages 1-4 of this document.
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(University of Pretoria, 2006-07-11)In the first part of the study an experimental design was followed whereby 600 DeKalb Amber-link® commercial laying pullets were subjected to three levels of EM bokashi (0.5%, 1.0% and 1.5%) and a standard level of a ...
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(University of Pretoria, 2008-07-15)The study evaluated the effects of genotype and grainless diets under stall-fed (n=72) conditions on the following parameters using the Afar, Central Highland goats, (CHG) and Long-eared Somali, (LES) goats. The diets ...
Now showing items 1-20 of 25