Colorado Serum Company Campylobacter fetus-jejuni bacterin is a suspension vaccine for sheep, formulated for subcutaneous administration. It contains bacterins of Campylobacter fetus and Campylobacter jejuni, aligning with routine flock vaccination programs. The 250 mL vial with 5 mL per dose supports practical flock dosing and inventory planning. A reliable choice among livestock health products for producers working with veterinary guidance.