First Defense Tri-Shield 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, Coronavirus, and Rotavirus. First Defense Tri-Shield
is OMRI listed for organic operations. First Defense Tri-Shield gel contains a blue dye
to ensure and trace proper dosage. Administer along with colostrum immediately after
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