An enzootic of calf pneumonia associated with Mycoplasma bovirhinis.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology*; D005260:Female; D007564:Japan; D008297:Male; D009175:Mycoplasma Infections / Q000453:epidemiology / Q000662:veterinary*; D011014:Pneumonia / Q000453:epidemiology / Q000209:etiology / Q000662:veterinary*