... per 1 kilogram of the weight for subcutaneous injection, once time2-3days . don,t more than 15ml in one position ... .The Tilmicosin don,t use for horse , laying chicken . don,t use intravenous injection for cattleTilmicosin is the newest develop ... in one position .The Tilmicosin don,t use for horse , laying chicken . don,t use intravenous injection for cattle Tilmicosin Base powder