187 commercial checken flocks affected with respiratory diseases were examined for ornithobacterium rhinotracheale isolation. the bacterium was isolated from 105 (56.2%) poultry flocks. drug sensitivity test using standard disk diffusion technique was performed with 19 antibiotics. all the isolates were susceptible to tiamulin and most of them were susceptible to chloramphenicol and linco-spect...

respiratory disease conditions are continuing to cause heavy economic losses in the poultry industry worldwide. ornithobacterium rhinotracheale (ort) has been incriminated as a possible additional causative agent in respiratory disease complex. although, ort has been proved to be highly sensitive to different chemical disinfectants, currently, ort infection appears to have become endemic and ca...

background: every year more than 2 million people depart from iran to saudi arabia for hajj ritual which can be faced with some different diseases. there are not much information about frequencies and trend of diseases in hajj. the main objective of this study was to determine the trend of prevalent diseases during five consecutive hajj rituals among iranian pilgrims. methods: we established a ...

Respiratory disorders are major concern for dairy cattle industry. Viruses and bacteria in combinationwith stress play a key role in triggering acute respiratory infections. The most important viral agents arebovine viral diarrhoea virus (BVDV), bovine herpes virus type 1 (BHV-1), bovine respiratory syncytial virus(BRSV), parainfluenza virus type 3 (PIV-3) and bovine adenovirus (BAV). This cros...