%0 Conference Proceedings %T Prevalence of bovine viral diarrhoea virus antibody by bulk milk testing of dairy cattle herds in Mashhad suburb of Iran %A Talebkhan Garoussi, Massoud %A Haghparast, Alireza %A حمید استاجی %J 4th international Veterinary Vaccines and Diagnostics Confrence %D 2006