This product has been shown to be effective for the vaccination of healthy cattle 6 months of age or older against foot rot and liver abscesses caused by Fusobacterium necrohormone. Shake well before using. Administer 2 mL subcutaneously. should be administered subcutaneously (under the skin) in the neck. For foot rot revaccinate in 3 weeks. For liver abscesses revaccinate in 60 days.