The Impact of Nosema apis Z. Infestation of Honey Bee ( Apis mellifera L.) Colonies after Using Different Treatment Methods and their Effects on the Population Levels of Workers and Honey Production on Consecutive Years

摘要

The aim of this study was to determine the natural occurance of Nosema apis in honey bee colonies and evaluated of N. apis presence in colonies after medical treatment with fumagillin and thymol in consecutive 3 years period. For this purpose, 208 honey b