Masoud Sheikh, Hamid Reza Eshraghi, Masoud Khoshnia, Masoumeh Mazandarani & Abdolvahab Moradi* Department of Veterinary Basic Science, College of Veterinary Science, Science and Research branch, Islamic Azad University, Tehran, Iran; Golestan Research Center of Gastroenterology and Hepatology, Golestan University of Medical Sciences, Gorgan, Iran; Department of Botany, Gorgan Branch, Islamic Az...