Novartis - Vaccinate the cow and protect her calf through the colostrum against scours caused by bovine rotavirus (3 types) and bovine coronavirus. For initial vaccination, inject 2 ml IM 8-16 weeks prior to calving and repeat in 6 weeks. Revaccinate in subsequent years with one dose 8-10 weeks prior to calving. Use along with Bovine Pili Shield + C to provide the most complete scour protection on the market. 60 day withdrawal.