Abstract
This study was carried out to determine the eff ects of the Varroa (Varroa destructor) infestation level (in fall) on the wintering ability and survival rates of honeybee (A. mellifera) colonies. Four diff erent 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. Diff erences among the groups for wintering ability (P<0.01) were significant.
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