First Defense Tri-Shield Size:Single Optional heat package is required

Optional heat package is required in freezing conditions

*Improved immune function

to reduce colonization by Lawsonia and to reduce the duration of fecal shedding

220 lb (100 kg) 10 mL

First Defense Tri-Shield Size:Single Optional heat package is requiredFirst Defense Tri Shield First Defense Tri Shield is a colostrum derived boost for newborn calves that aids in the reduction of scours caused by K99 E. coli and bovine coronavirus, while also reducing severity and duration of scours caused by bovine rotavirus. First Defense for calves gives newborn animals specific immunoglobulins at the gut level to deliver immediate protection against disease. Additional antibodies are absorbed into the bloodstream.