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- 2 Бджільництво
- 1 apiary, bees, fire, safety
- 1 beekeeping products, propolis, pr...
- 1 beekeeping, honey, world producti...
- 1 bees, feeding, development, stimu...
- 1 bees, wintering, safety, winter h...
- 1 blood values, genotype, metabolic...
- 1 brood, swarming, the strength of ...
- 1 current conditions, export, world...
- 1 honey plants, nectar, nectar prod...
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