First Defense Bovine

FIRST DEFENSE® provides passive protection against intestinal infections in newborn calves by delivering antibodies against bovine coronavirus and E. coli K99 through colostrum-derived colostral antibodies.

• The description claims that maximal protection is achieved when administered within the first 12 hours after birth.
• The description claims that the product aids in reducing morbidity and mortality from neonatal calf scours.