Chronic Leptospira hardjo and Leptospira hebdomadis infection in a fifty cow herd of dairy cattle, a case history.
D000034:Abortion, Veterinary; D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology*; D002908:Chronic Disease; D004196:Disease Outbreaks / Q000662:veterinary; D005260:Female; D007922:Leptospirosis / Q000453:epidemiology / Q000662:veterinary*; D008297:Male; D011247:Pregnancy; D014922:Wisconsin