摘要 : In this series I'm still trying to figure out why I couldn't get my test colonies to grow, despite non-stop feeding of pollen sub, often along with sugar syrup.Doug Somerville, in his manual on bee nutrition,1 observes that:The lo... 展开 In this series I'm still trying to figure out why I couldn't get my test colonies to grow, despite non-stop feeding of pollen sub, often along with sugar syrup.Doug Somerville, in his manual on bee nutrition,1 observes that:The loss of the stimulating impact of nectar will also equate to a reduction in the area of brood being cared for by the colony. The provision of nectar continues to keep the brood area "open" and population replacement at a high or expanding level. This stimulus can be artificially created by the provision of sugar syrup. 收起