For healthy cattle 6 months of age or older as an aid in foot rot symptoms and the number and size of liver abscesses caused by Fusobacterium necrophorum. Administer 2ml SC in the neck. For footrot revaccinate in 3 wks; for liver abscesses revaccinate in 60 days. Revaccinate annually or in case of predicted exposure. Do not vaccinate within 21 days before slaughter.