The effect of revaccination of horses and cattle with Leptospira pomona bacterin.
D000818:Animals; D001428:Bacterial Vaccines; D002417:Cattle; D002418:Cattle Diseases; D006736:Horses; D007117:Immunization, Secondary; D007919:Leptospira; D007922:Leptospirosis / Q000517:prevention & control*; D014611:Vaccination; D014612:Vaccines
D001428:Bacterial Vaccines; D014612:Vaccines
CATTLE/diseases; HORSES; LEPTOSPIROSIS/prevention and control; VACCINES AND VACCINATION