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EFFICIENCY OF FORMING NUCLEUS COLONIES IN ORDER TO DECREASE POPULATION OF Varroa destructor (ANDRESON AND TRUEMAN, 2000) IN BEEHIVES

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Author(s): Zlatko Puškadija | Tihomir Florijančić | Ivica Bošković | Pero Mijić | Siniša Ozimec

Journal: Poljoprivreda (Osijek)
ISSN 1330-7142

Volume: 9;
Issue: 2;
Start page: 74;
Date: 2003;
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Keywords: Varroa destructor | ecological product | bio-technical measurement

ABSTRACT
Forming of nucleus colonies is efficient method in growth control of Varroa destructor population. Its goal is to decrease parasite’s pressure on bee colony. The advantage of this bio-technical measurement lays in its implement during vegetation season which delays use of the chemical resources for Varroa destructor control population in beehives for the post major honey harvest period. Nucleus colonies were formed from approx. half of sealed brood (35.5 ± 5.8 dm²) and average of 5915 ± 912 bees. Results showed that there were 37.2 ± 5.6% mites removed from parental colonies. Minimum was 30.8%, and maximum was 45.5%. Due to such relatively small efficiency, this method cannot be recommended as unique, but it can be effective if it is applied in the post spring's honey harvest period as a part of growth reduction strategy of Varroa destructor population in beehive.
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