For oral administration as a soluble powder to be given in dried milk or milk replacer, liquid milk or reconstituted milk, or finally as a drench.

The therapeutic dosage of chlortetracycline for calves is 10-20 mg/kg bodyweight daily.

For individual treatment administer 3 grammes Aurofac 200 MA per 45 kilogramme calf daily. One level 5ml teaspoonful contains approximately 3g of Aurofac 200 MA (600mg chlortetracycline).

For group treatment supply milk replacer powder into which Aurofac 200 MA has been mixed at a rate of 7 kilogrammes per tonne to give 1300mg chlortetracycline per kg of milk replacer powder.

Treatment should be continued for a period of five to seven days or until signs of disease are no longer apparent.