Pennchlor 64® (Chlortetracycline HCl)

10 mg/pound body weight/day. Use 1/2 oz of powder for each 200 lbs of calf weight, per day. Mix until dissolved. Administer at this rate in the total water consumed over a full, 24-hour period, or as a drench in divided doses. Administer 3 to 5 days. See product page for mixing instructions.