Evaluation of the Pathogenicity of A/Chicken/Iran/ZMT-173/99 H9N2 Strain of Avian Influenza Virus in Serologically Mycoplasma Galisepticum Positive and Negative Broiler Chickens
Mehdi Vasfi Marandi, Jafar Pazani, Helen Ashrafi, SH Marjan Mehr, Farid Ghods
Abstract