For use in healthy pregnant cattle as an aid in the prevention of disease in calves caused by bovine rotavirus, bovine coronavirus, Clostridium perfringens Type C, and K99 piliated Escherichia coli. Vaccinate pregnant cattle to provide scour protection to calves through the colostrum. Give 2 ml IM, 8-16 weeks prior to calving. Booster with Scour Bos 4 4 weeks prior to calving. Booster annually with Scour Bos 9 given 8-10 weeks prior to calving.