SCOUR BOS 4
Scour Bos® offers broad calf scours protection against rotavirus and coronavirus. Scour Bos 4 is a booster for Scour Bos 9 and should be administered the first year. During the first year, administer a 2-mL dose of Scour Bos 9 at 8-16 weeks prior to calving; re-vaccinate with a 2-mL dose of Scour Bos 4 weeks prior to calving. Second year and beyond, give one dose of Scour Bos 9 at 8 to 10 weeks prior to calving.