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pro vyhledávání: '"Jafar Pazani"'
Autor:
Seyyed Hossein Marjanmehr, Jafar Pazani, Farid Ghods, Javad Ashrafihelan, Mehdi Vasfi Marandi
Publikováno v:
International Journal of Poultry Science. 7:502-510
Avian influenza (AI) outbreaks due to H9N2 subtype of avian influenza virus (AIV) occurred in poultry industry in Iran, in 1998 and caused serious economic losses. The aim of this study was to investigate the pathogenesis, clinical signs, gross and h