Lockout aids in the prevention of new intramammary infections by providing a malleable barrier in the teat canal. Simulates the keratin plug, the cow's natural first line of defense, to seal the teat against bacteria. Recommended to be used as part of a herd approach to mastitis control. Safe for use in non-lactating dairy cows and requires no milk or pre-slaughter withdrawal. Each syringe contains 4 gm of a sterile, non-antibiotic, blue, smooth paste. After last milking at dry-off or prior to first lactation in replacement dairy heifers, clean and disinfect teat ends with alcohol swabs provided; air dry. If a dry cow antibiotic has been infused, teat should be re-swabbed with alcohol swab prior to LOCKOUT infusion. A clean, disinfected, dry teat is essential. To minimize LOCKOUT entering the udder, squeeze top of teat canal at base of udder. Gently depress plunger until teat canal is full. To remove, thoroughly hand-strip every teat, 10 to 12 strips per teat before milking. Blue color aids in identifying LOCKOUT at time of removal to reduce potential for accumulation in milking equipment. Zero-day milk and meat withdrawal when used alone.
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