Click to enlargeFirst Defense Bolus


Used as an aid in the prevention of neonatal beef and dairy calf scours caused by K99+ E. coli and Coronavirus.

Administer 1 bolus with balling gun within the first 12 hours after birth. Do not vaccinate calves with oral Coronavirus or Rotavirus products within 5 days of administering First Defense.


5 capsules F1-B11-1$36.41
30 capsules F1-B11-2$205.70
Balling Gun F1-B11-3$1.55

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