饲粮蛋白质水平对蜂群繁殖性能的影响

本试验旨在研究饲料蛋白质水平对蜜蜂产浆期繁殖性能的影响。选择35群群势、蜂王年龄和质量一致的意大利蜜蜂Apis mellifera L.,随机分为7组,分别饲喂蛋白质水平为15%、20%、25%、30%、35%及40%的试验饲粮并以油菜花粉作为对照,测定各组蜂群的繁殖性能。结果表明,试验前期,饲粮蛋白质水平对蜂群群势有显著性影响,然而在试验中后期,则无显著影响(P>0.05);随着饲粮蛋白质水平的增加,蜂王产卵力和工蜂初生重呈先升高后降低的变化趋势,与对照组相比差异不显著(P>0.05)。

Effects of dietary protein levels on the reproductive performance of honeybee colonies

The effect of dietary protein levels on the reproductive performance of honeybees was investigated experimentally.35 Apis mellifera L.colonies of equal size,queen quality and age were randomly divided into 7 groups.Six groups were fed one of six experimental diets containing different concentrations of protein （15%,20%,25%,30%,35% and 40%） and the other,the control,was fed rape pollen.We measured the reproductive performance of each colony.The results show that dietary protein had a significant effect on population size in the earlier stages of colony development,but not in the mid to late stages.Although queen fecundity and birth weight of workers first increased,then decreased,with increasing dietary protein neither parameter differed significantly from the control （P0.05）.