Performance Evaluation of Naturally Mated and Instrumentally Inseminated Honeybee ( Apis mellifera L.) Queens in Field Colonies

摘要

Apis mellifera queens were reared to evaluate the performance of Naturally Mated (NM) and instrumentally inseminated (II) queens, using Doolittle grafting method. A group of twelve queen cells was introduced to five frames nucleus colonies and virgins all