(Zoetis Animal Health) 7-way blackleg and pasteurella protection for cattle. For prevention of Clostridium chauvoei, septicum, novyi, sordellii, perfringens Types C & D and Mannheimia haemolytica type A1. Contains leukotoxoid to neutralize lung-damaging leukotoxins. Give 2 ml SQ. Follow with a 2 ml dose of UltraChoice 7 (#24464 or #24465) in 4 to 6 weeks. Annual booster with UltraChoice 7 is recommended. Killed product, requires mixing.