[1] Univ Tabriz, Dept Food Hyg & Aquat Anim, Fac Vet Med, Tabriz, Iran
[2] Univ Tabriz, Fac Vet Med, Dept Pathobiol, POB 5166616471, Tabriz, Iran
[3] Urmia Univ, Dept Pathobiol & Qual Control, Artemia & Aquat Anim Res Inst, Orumiyeh, Iran
[4] Islamic Azad Univ, Dept Fisheries, Babol Branch, Babol Sar, Iran
[5] Islamic Azad Univ, Dept Fisheries, Sci & Res Branch, Tehran, Iran
[6] BioEos Ltd, Claygate, Kent, England
[7] Royal Free & Univ Coll Med Sch, Dept Med Microbiol, London, England
[8] Urmia Univ, Dept Food Hyg & Qual Control, Fac Vet Med, Orumiyeh, Iran