First Defense Bolus
Immucell - Antibodies against E. Coli K99 and Coronavirus (ImmuCell). The only product available that protects against the 2 major causes of scours in calves. Maximum protection when administered to neo-natal calves within 12 hours of birth. Quick and easy to administer. Do not vaccinate calves with oral coronavirus products within 5 days of administration of First Defense.



