For The Control Of Bacterial Enteritis And Bacterial Pneumonia In Beef And Dairy Calves: Administer Orally Half A Bolus Per 100 Lb. Every 12 Hours. For Treatment In Beef And Dairy Calves:Administer One Bolus Per 100 Lb Every 12 Hours. Calf Scour Bolus Is Recommended For Oral Administration For The Contrrol And Treatment Of Diseases Of Beef And Dairy Calves Caused By Organisms Sensitive To Oxytetracycline. Oxytetracycline Hydrochloride - 500Mg