Seasonal incidence of some economical bee disease in honey bee colonies of Khash and Taftan border

This study aimed to investigate the parasitic infection in the apiary in Khash and Taftan border.  This research was carried out to adopt new management method, and design future studies in beekeeping industry in Sistan-Baluchistan Province. Samples were taken from 30 apiaries and 375 honey bee colonies, in autumn, winter, and spring (autumn and winter 2015 and spring 2016). The results showed that the infections rate with Varroa was 80%, 86/6%, 80% in autumn, winter and spring; respectively. The highest infection rate in the study area was recorded in winter with 86/6%. Also, the infections rate with Nosema was 0%, 80%, 46/6% in autumn, winter and spring; respectively. Both diseases are major parasitic infections, causing annual damage to beekeepers. Also, statistical analysis using SPSS software showed that the purchase of pollen, wax and equipment from other farms, as well as non-use of protective wall, lack of migration in the winter and the lack of prevention and treatment, increases the infection rate with the parasites. The results of chi-square and Fisher's exact test revealed significant relationship between these variables and parasites infection (p <0.01).