Vision 8 from Merck Animal Health is a 7-way blackleg vaccine that includes red water protection for cattle and sheep. For prevention of Clostridium chauvoei, septicum, novyi, sordellii, perfringens Types C & D, plus haemolyticum (bacillary hemoglobinuria/red water). Give cattle and sheep 2 ml SQ. Repeat in 3-4 weeks and once annually. 21 Day withdrawal.