20 results on '"Zhelyazkova, I."'
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2. Food consumption and winter mortality in bee colonies wintering in hives made from different materials with lattice and solid bottom
3. General linear models based on physicochemical parameters of monofloral and multifloral bee honey: Part 2.
4. Statistical Models for Assessing the Influence of Hygienic Behaviour of Worker Bees on the Level of Lysozyme and Total Protein Content in Their Hemolymph.
5. Effectiveness of Oxalis bee and Ecostop for prophylaxis and control of varroosis in honey bees (Apis mellifera L.)
6. Comparative study of rapeseed, monofloral types and multifloral honey by some physicochemical parameters
7. Effect of amitraz on varroosis in bees (Apis mellifera L.)
8. Stimulating feeding and development of hypopharyngeal and thoracic glands of honeybees (Apis mellifera L.)
9. Lysozyme levels in haemolymph of worker bees (Apis mellifera L.) from bee colonies with different degree of expression of hygienic behaviour
10. Determination of amino acids and protein content in fresh and commercial royal jelly from Bulgaria
11. Study of bee honey by spectral analysis in the near infrared spectrum
12. Effect of supplementary honey and artificial sugar feeding of bees on the composition of royal jelly
13. Effect of the feeding of products stimulating the development of bee colonies
14. Physico-chemical quality characteristics of royal jelly from three regions of Bulgaria
15. Content of heavy metals and metalloids in bees and bee products from areas with different degree of anthropogenic impact
16. TOURISM FOR HANDICAPPED PEOPLE – RESPONSIBILITY AND COMMITMENT IN THE PERIOD OF BULGARIA’S ACCESSION TO THE EUROPEAN UNION
17. PERSISTENCE OF TETRACYCLINE AND OXYTETRACYCLINE IN BEE HONEY AFTER IMPROPER APPLICATION ON BEE FAMILIES
18. EFFECT OF SUPLEMENTARY FEEDING OF BEES WITH SUGAR SOLUTION (1:1) AND ISOSWEET 77555P (IST) ON THE SENSORY CHARACTERISTICS OF BEE HONEY
19. Researching the resistance of bees fattened up with additive of extract of Tribulus terrestris L. during wintering.
20. Effect of the duration of shelf life on some quality parameters related to bee honey.
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