Somubac helps protect calves and adult cattle against respiratory disease caused by Haemophilus somnus (Histophilus somni).
! View manufacturer's label detailsShake well before using. Administer a single 2-mL dose subcutaneously to healthy cattle 3 months of age or older, followed by a second dose two to four weeks later. In accordance with Beef Quality Assurance guidelines, this product should be administered subcutaneously (SC) under the skin. Annual revaccination with a single dose is recommended.