Survey and documentation of sacbrood virus attacking Indian honeybee, Apis cerana indica, Fabricius in Tamil Nadu

摘要

A survey was conducted in major beekeeping regions located in different parts of Tamil Nadu during 2017-18 and 2018-19. A total of 1412 colonies were examined in six major beekeeping regions. In the present study, 320 colonies in summer months and 354colonies in winter months of the year 2017-18 were observed. In the same way, 343 colonies in summer months and 394 colonies in winter months were studied during the year 2018-19. The results of the survey revealed that the mean % disease incidence of AcSBV was 12.7 in summer months and 5.6% in winter months in the year of 2017-18. During, 2018-19, the mean % infection of AcSBV was 7.7 in summer and 4.6% in winter.