Bovi-Sera Serum Antibodies 250mLBovi Sera Serum Antibodies 250mL Antiserum for prevention and treatment of A. pyogenes, Pasteurella multocida, E. coli, Salmonella typhimurium and Mannheimia haemolytica in cattle and sheep. Give IM or SQ. For prevention, give calves 20 40 ml as soon as possible after birth; give cattle 50 75 ml; give sheep 10 15 ml. For treatment, give calves 40 100 ml; give cattle 75 150 ml; give sheep 20 40 ml; repeat every 12 to 24 hours until improvement is