Pfizer - New 2 ml dose 7-way blackleg vaccine containing a special water soluble adjuvant, Stimugen. Protects against Clostridium chauvoei, septicum, novyi, sordelli and Clostridium perfringens Type C & D. Give 2 ml SQ, then booster in 4-6 weeks. Annual booster is recommended. 21 day withdrawal.