The Effects of Varroa (Varroa destructor) Infestation Level on Wintering Ability and Survival Rates of Honeybee (Apis mellifera L.) Colonies
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This study was carried out to determine the effects of the Varroa (Varroa destructor) infestation level (in fall) on the wintering ability and survival rates of honeybee (A. mellifera) colonies. Four different infestation levels of Varroa in honeybee colonies were tested in this study. Ten honeybee colonies, in which infestation levels were similar, were used for each group. The average wintering abilities in low, medium, high and extreme groups were found to be 94.28%, 91.42%, 63.92% and 23.28% respectively. An average survival rate for the low, medium, high and extreme groups were found to be 100%, 100%, 80% and 40% respectively. Differences among the groups for wintering ability (P<0.01) were significant.