List of Articles Open Access Article Abstract Page Full-Text 1 - Prevalence of Toxocara eggs in public parks of Tabriz city, center of East Azerbaijan Provice, Iran یعقوب Garedaghi S.A Shabestari-asl Open Access Article Abstract Page Full-Text 2 - Serological survey of Ornithobacterium rhinotracheale infectious in broiler flocks of Ardabil province حسین Nikpiran SH Abbasi Bahonar پیمان Bijanzad مهدی Taghavi Molaii Open Access Article Abstract Page Full-Text 3 - Comarison of direct microscopic examination, Enzyme Linked Immunosorbent Assay (ELISA), culture and Nested-PCR for diagnosis of herds bulk tank milk infection with Mycobacterium avium subspecies paratuberculosis آریا Badiei فرهاد Mousakhani عباس Barin امیر Hamidi محسن Zafari Open Access Article Abstract Page Full-Text 4 - Prevalence of verotoxigenic Escherichia coli (VTEC) on slaughtered cattle and calves in Tabriz abattoir منصور Khakpour فرهاد Nazeri جلیل Khandagi جلال Shaieg Open Access Article Abstract Page Full-Text 5 - Genetical Evaluation of resistance to amantadine in H9N2 Avian influenza virus in Iran between 1998 to 2009 Open Access Article Abstract Page Full-Text 6 - Evaluation of risk factors of prevalence of leptospirosis in sheep flocks محسن Imandar علی Hassanpour GH.R Abdollahpour هادی Haghpanah Open Access Article Abstract Page Full-Text 7 - Idedtification of bacterial agent isolated from liver abscesses of cows slaughterd at Urmia abbatoire عبداله Araghi – Sooreh عبداله Habib-Savodjbolaghi Open Access Article Abstract Page Full-Text 8 - Comparative study of Valeriana Officinalis root extract¸diazepam and ketamin on CNS depressive effects in cats رامین Kaffashi Elahi M.H Khayat Nouri جواد Mahmoudi