First Defense® is a capsule containing antibodies for prevention of calf scours by K99 E. Coli and coronavirus.

First Defense® delivers preformed immunity and immediate protection when calves need it most. Maximal protection is achieved when administered in the first 12 hours after birth and used in conjunction with good colostrum feeding and calf nutrition programs.

Directions

• Give capsule orally within first 12 hours after birth.
• To help ensure proper delivery to the esophageal opening, we strongly recommend the use of a correct-fitting dosing gun.

Available Sizes:

• #540461 - 5 Dose
• #540462 - 30 Dose