Host animal efficacy studies using a multivalent leptospira bacterin.
D000818:Animals; D001428:Bacterial Vaccines / Q000592:standards*; D002417:Cattle; D002418:Cattle Diseases / Q000517:prevention & control*; D007919:Leptospira / Q000276:immunology*; D007922:Leptospirosis / Q000517:prevention & control / Q000662:veterinary*; D013552:Swine; D013553:Swine Diseases / Q000517:prevention & control*
D001428:Bacterial Vaccines