Y Tex Purple All American 4 Star Tags Large Numbered 26 50 : Pack of 25 Group_Udderly EZ Silicone Inflations Dosage levels: For the CONTROL Dosage levels: For the CONTROL of bacterial enterititis and bacterial pneumonia in beef and dairy calves:administer orally half a bolus per 100lbs of body weight every 12 hours for up to four consecutive days white and readily available to the animal Provides a buffer so nutrients are better utilized from feed Sustained release for long lasting calcium absorption Calcium Propionate Moderate calcium release for normal calcium absorption Calcium Sulfate Moderate calcium release for normal calcium absorption Niacin Promotes optimum health for cows post calving May assist the liver in lowering NEFA (none esterified fatty acids) levels Magnesium Works with & compliments calcium absorption Promotes optimum health for freshening cows Vitamin B12 Promotes optimum feed intake Vitamin D3 Works with & compliments calcium absorption All American ear tags use an advanced polyurethane formulation for a softer Sloped tag shoulders combined with Y Tex's flexible button and patented Snap Lok TM collar provide superior resistance to snagging and prevents tag button separation