Erythromycin powder erythromycin powdera combination of vitamins electrolyte and amino-acides for administration to poultry and other and other livestock to aid growth and performance.erythromycin pwoderos idea for use at times of stress and to combat dehydration. Also a valuable and effective aid in recovery from disease.erythromycin powdercan be used for broiler, layers, firshes, cattle, sheep and goat. Erythromycin powder is mixed drinking with water. Genericname:erythromycinthiocyanatesolublepowder mainingredients:erythromycinthiocyanate, synergist, biotin. Indications:mainlyfor: (1)chicken:chronicrespiratorydisease(crd), influenza, aviancholera, pullorum, e.coliandstaphylococcusaureusdiseaseofdorking. (2)ducks, geese:serositis("packageofheartandliver"disease)colibacillosis, fowlcholera. (3)pig:mycoplasmalpneumonia, streptococcusdisease, sowspostpartumlochia.