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Browsing Natural and Agricultural Sciences by Supervisor "Nkukwana, Thobela"
Now showing items 1-7 of 7
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(University of Pretoria, 2023)There is considerable pressure to eliminate the use of conventional cages in commercial layer production systems. Nonetheless, the assessment of alternative methods that can ensure the hen's ability to perform different ...
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(University of Pretoria, 2017)The objective of this study was to determine the optimal dose of the new generation modified E.coli 6-phytase (modified E.coli) that was developed using gene site saturation mutagenesis, and to compare its efficacy to ...
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(University of Pretoria, 2021-10)The modern broiler has successfully been selected and bred year on year to grow faster, more efficient, and ultimately to be more profitable. Unfortunately, this rapid progress has over the years resulted in a whole range ...
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(University of Pretoria, 2020)Broilers are nearing their genetic potential and nutritional strategies are the primary means to improve their performance. Improving raw material quality, especially soybean meal, could improve broiler performance, health ...
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(University of Pretoria, 2020)Acid-Binding Capacity (ABC) is measured as the amount of acid required to drop the pH of 1 kg feed to pH 3 and pH 4. Each feed ingredient will therefore contribute to the ABC value of complete feed and has the potential ...
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(University of Pretoria, 2022)Commercial broiler breeding programs have greatly focused on increased growth rates, not considering the lack of pulmonary capacity to sustain this demand. Although not all broilers succumb to ascites the syndrome is still ...
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(University of Pretoria, 2023)Abstract At high environmental temperatures (Ta), birds maintain homeostasis by dissipating heat via evaporative water loss (EWL). EWL is an important mechanism of heat dissipation by animals exposed to intense solar ...
Now showing items 1-7 of 7