This product has been shown to be effective for the vaccination of healthy cattle against Tritrichomonas foetus, Campylobacter fetus, Leptospira canicola, L. grippotyphosa, L. hardjo, L. icterohaemorrhagiae, and L. pomona. This product was licensed prior to the requirement to establish a minimum age for use. The duration of immunity has not been determined. For more information regarding efficacy and safety data go to productdata.aphis.usda.gov.
This product has also been shown to be effective against urinary shedding of L. borgpetersenii serovar hardjo (type hardjo-bovis) in heifers 10 months of age or older, and against shedding of T. foetus. Vaccinated animals subsequently exposed to L. borgpetersenii serovar hardjo (type hardjo-bovis) have been shown to clear renal infections within 8 weeks of exposure.