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首页> 外文期刊>Apidologie >Effects of diets containing different concentrations of pollen and pollen substitutes on physiology, Nosema burden, and virus titers in the honey bee (Apis mellifera L.)
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Effects of diets containing different concentrations of pollen and pollen substitutes on physiology, Nosema burden, and virus titers in the honey bee (Apis mellifera L.)

机译：含有不同浓度的花粉和花粉替代品的饮食对生理学，鼻炎的负担和病毒滴度（Apis Mellifera L.）的影响

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摘要

Colonies of Apis mellifera provided with natural forage show decreased pathogen loads and increased overwintering success when compared with colonies provisioned with supplemental protein diets. Despite the potential benefits of a pollen-based diet, protein supplements are commonly used in colonies throughout the spring and increasingly through the fall and winter as the cost of pollen is greater than that of supplements and concerns exist over the potential for pollen to vector viruses to bee colonies. In this study, we compare virus and Nosema burden, consumption and digestion, hemolymph protein and hypopharyngeal gland size in bees fed on pure pollen diets, purely supplemental protein diets, and diets containing 90% supplement and 10% pollen to examine whether the inclusion of small amounts of pollen mitigates the negative impacts of consuming protein supplements seen in preceding studies. We found that the diets had similar concentrations of total soluble protein; however, bees consumed and digested significantly more of the pollen diet than either PS alone or mixed with pollen. In colonies, honeybees consuming pollen had lower deformed wing virus (DWV) and Nosema titers than bees fed protein supplements. The addition of 10% pollen to the supplement significantly increased digestion and hypopharyngeal gland size and decreased levels of Nosema infection over colonies fed supplement alone. These results indicate that the addition of small amounts of pollen into protein supplements may help to mitigate the differences observed between protein supplement and pollen fed bees.
机译：与用补充蛋白质饮食的菌落相比，具有天然饲料的Apis Mellifera的菌落显示出降低的病原体载荷，并且增加了越来越多的成功。尽管基于花粉的饮食的潜在益​​处，但蛋白质补充剂通常在整个春季殖民地使用，并且由于花粉的成本大于补充剂的成本，并且存在于传染媒介病毒的潜力的情况下越来越多的秋季。蜜蜂殖民地。在这项研究中，我们将病毒和鼻炎的负担，消费和消化，消化和消化，血淋巴蛋白和白糖腺体大小在纯花粉饮食中，纯粹的补充蛋白质饮食和含有90％补充剂和10％花粉的饮食，以审查是否包含少量花粉减轻了在先前研究中所见的消耗蛋白质补充剂的负面影响。我们发现饮食具有相似的可溶性蛋白质浓度;然而，蜜蜂消耗和消化了比单独的PS或与花粉混合的花粉饮食。在菌落中，消耗花粉的蜜蜂含有较低的翼病毒（DWV）和比饲料蛋白质补充剂的滴滴涕的滴度。向补充剂添加10％的花粉显着增加了消化和白阴盆腺体大小，并单独对菌落的菌落中的核心感染水平降低。这些结果表明，将少量花粉添加到蛋白质补充剂中可能有助于减轻蛋白质补充剂和花粉喂养蜜蜂之间观察到的差异。

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