This broad-spectrum antibiotic is a shot-gun approach to the problems that can occur during the growing period. Colds, chronic respiratory disease, air sac infection, fowl cholera, and other diseases can be helped if treated early. Terramycin can be used on poultry if they are not laying yet. Dosage 1 tsp. per gallon for maintenance 2 tsp. per gallon for treatment. (NOT DO NOT ADMINISTER TO CHICKENS OR TURKEYS PRODUCING EGGS FOR HUMAN CONSUMPTION.