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Zactran is not for use in female dairy cattle 20 months of age or older
Avirulent live culture
72 mg/lb) of body weight
Underdosing may result in ineffective treatment and encourage the development of parasite resistance
and pneumonia
Bovilis Guardian Cattle Vaccine Rx Zactran is not for useMerck Animal Health Rotavirus, Coronavirus, Clostridium perfringens Types C and D, and K99 E. coli. Vaccinate pregnant cattle to provide scour protection to calves through the colostrum. Give 2 ml SQ, 3 months prior to calving. Repeat in 3 6 weeks. Booster annually, 5 7 weeks prior to calving.
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