Leptospira hardjo bacterin (killed).
Prevention of infection caused by Leptospira borgpetersenii serovar Hardjo type hardjo-bovis, including genital and renal tract colonization and urinary shedding for up to 12 months.
Provides 12-month duration of immunity
Safe for use in pregnant cows, enabling whole-herd vaccination
Annual revaccination with a single dose is recommended