Research Article
Incidence Rate of Varroaris in Honey Bee Colonies of Eastern Azarbaijan Province, Northwestern Iran
Department of Veterinary Science, Semnan University, Semnan, Iran
M. Yousefkhani
Department of Veterinary Science, Semnan University, Semnan, Iran
A.R. Lotfi
Department of Animal Science, Islamic Azad University, Shabestar Branch, Iran