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Browsing by UP Author "Archer, C. Ruth"
Now showing items 1-7 of 7
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Antioxidant supplementation can reduce the survival costs of excess amino acid intake in honeybees Archer, C. Ruth; Kohler, Angela; Pirk, Christian Walter Werner; Oosthuizen, Vinette; Apostolides, Zeno; Nicolson, Sue W. (Elsevier, 2014-12)Over-consuming amino acids is associated with reduced survival in many species, including honeybees. The mechanisms responsible for this are unclear but one possibility is that excessive intake of amino acids increases ...
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Archer, C. Ruth; Pirk, Christian Walter Werner; Carvalheiro, Luísa G.; Nicolson, Sue W. (Wiley- Blackwell, 2014-04)Understanding the causes and consequences of pollinator declines is a priority in ecological research. However, across much of the globe we have a poor understanding of pollinator assemblages, population trends and the ...
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Archer, C. Ruth; Pirk, Christian Walter Werner; Nicolson, Sue W.; Wright, Geraldine A. (Pretoria: University of Pretoria. Faculty of Natural and Agricultural Sciences. Department of Zoology & Entomology, 2014)1. Nutrition plays an important role in physiological stress resistance and by adjusting their intake of key nutrients, such as protein and carbohydrate, many animals can better resist stress. 2. Poor nutrition may ...
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Archer, C. Ruth; Pirk, Christian Walter Werner; Wright, Geraldine A.; Nicolson, Sue W. (Wiley, 2014-08)1. Nutrition plays an important role in physiological stress resistance and by adjusting their intake of key nutrients, such as protein and carbohydrate, many animals can better resist stress. 2. Poor nutrition may ...
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Human, Hannelie; Archer, C. Ruth; Du Rand, Esther Elizabeth; Pirk, Christian Walter Werner; Nicolson, Sue W. (Pretoria : University of Pretoria. Faculty of Natural and Agricultural Sciences. Department of Zoology & Entomology, 2014)The effects of pesticides on honeybee larvae are less understood than for adult bees, even though larvae are chronically exposed to pesticide residues that accumulate in comb and food stores in the hive. We investigated ...
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Human, Hannelie; Archer, C. Ruth; Du Rand, Esther Elizabeth; Pirk, Christian Walter Werner; Nicolson, Sue W. (Elsevier, 2014-10)The effects of pesticides on honeybee larvae are less understood than for adult bees, even though larvae are chronically exposed to pesticide residues that accumulate in comb and food stores in the hive. We investigated ...
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Malod, Kevin; Roets, Petrus D.; Oosthuizen, Carel Jakobus; Blount, Jonathan D.; Archer, C. Ruth; Weldon, Christopher William (Elsevier, 2020-08)The oxidative damage caused to cells by Reactive Oxygen Species (ROS) is one of several factors implicated in causing ageing. Oxidative damage may also be a proximate cost of reproductive effort that mediates the trade-off ...
Now showing items 1-7 of 7