For use on Terramycin™ resistant foulbrood. Mix 200 mg tylosin in 20 g of confectioners/powdered sugar. Use immediately. Honey Bee colonies should receive three treatments administered as a dust in confectioners/powdered sugar. The 200 mg dose is applied (dusted) over the top bars of the brood chamber once weekly for 3 weeks. 100 g will treat 166 colonies.