Journal of Veterinary Diagnostic Investigation, Volume 38, Issue 3, Page 482-486, May 2026.
Four beef cows grazing in a mountainous grassland area had acute onset of drooling, frothy oral discharge, hyperemic mucous membranes, diarrhea, anorexia, dyspnea, and recumbency. Two cows died within 7–8 h of the onset of signs; the remaining 2 cows ...