| mycoplasma bovis outbreak in a herd of north american bison (bison bison). | a disease outbreak of high morbidity and high mortality in bison (bison bison) was investigated. clinical signs included lameness, swollen joints, respiratory distress, and lethargy. fifty-three of 194 animals died. cows between 5 and 10 years of age were the most affected group, in which 40 of 88 animals died. necropsies were performed on several animals. there were abscesses in the lung and liver, as well as fibrinosuppurative pleuritis, polyarthritis, and disseminated microabscesses in variou ... | 2010 | 20807947 |