| seroepidemiological study of bovine respiratory viruses (brsv, bohv-1, pi-3v, bvdv, and bav-3) in dairy cattle in central region of iran (esfahan province). | respiratory diseases in calves are responsible for major economic losses in both beef and dairy production. several viruses, such as bovine respiratory syncytial virus (brsv), bovine herpes virus-1 (bohv-1), bovine parainfluenza virus-3 (bpi-3v), bovine viral diarrhea virus (bvdv), and bovine adenoviruses (bav), are detected in most clinical cases with respiratory signs. the aim of this study is to define seroprevalences of five major viral causes of bovine respiratory infections in cattle in ce ... | 2011 | 21667075 |