Bee Studies
2018, Vol 10, Num, 2 (Pages: 034-044)
Epidemiology of Nosema apis and Nosema ceranae in Eastern Black Sea Region
2 Samsun Veteriner Kontrol Enstitüsü Müdürlüğü, Samsun
3 Perşembe Tarım ve Orman İlçe Müdürlüğü, Ordu Viewed : 2112 - Downloaded : 1175 Honey bee samples were taken in spring and autumn periods from 209 bee culture enterprises which are involved in bee culture Register system of the cities composing East Black sea Region and which have more than 50 colonies. The samples taken were subjected to the microscopic analysis and those which were positive in terms of spore were subjected to spore count, Giemsa coloring and PCR. In the analyses performed on the samples of the region, positiveness was determined for 185 enterprises in spring and for 81 enterprises in autumn. While nosema infection was not seen only for 11% of the enterprises in spring period, 10 million and more nosema spores were determined for 36% of the enterprises. While nosema infection was not seen for 61% of the enterprises in autumn period, 10 million and more nosema spores were determined for 4% of the enterprises.While number of the bee culture enterprises in East Black sea Region where varroa and nosema are seen together is 29 (14%) in spring period and 51 (24%) in autumn period, number of the enterprises where varroa is not seen but nosema is determined is 156 (75%) in spring period and 32 (15%) in autumn period. While nosema cerenae was determined in all the positive ones of 1256 samples taken in spring and autumn periods, nosema apis was not encountered. It is an important point to consider that nosema spores were determined in spring and autumn periods for a great majority of Bee culture Enterprises involved in East Black sea Region and that they were nosema cerenaes. Keywords : Honey bee, Nosema apis, Nosema ceranae, PCR, Varroa
