... .high protien45%,50%,55%,60% 3.improve animal grow Feed additives :Yeast powder(Feed grade) 40%,45%,50%,55%,60%.A. Function and ... immunity, adsorption Pathogenic factor, improve animal health. B. Recommended dosage Pig 2% -5%Poultry 2% -4%Cattle and sheep 5% -8 ... dry place Shelf life: 12 monthsPackage 1Package 2Used for animal Feed additives--yeast feed