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First Defense is a USDA Veterinary Biologic that provides guaranteed levels of
protection against both bacterial and viral scours. A single dose of First Defense
provides antibody driven immediate immunity proven to reduce mortality and morbidity
from scours caused by E.coli K99 and Coronavirus. First Defense is OMRI listed for
organic operations. Administer along with colostrum immediately after birth. The First
Defense line of products are available in three different delivery options: capsule, gel
tube (with a non-digestible blue dye protocol marker), and powder (for colostrum

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Weight 1.42 lbs

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