... .high Digestion rate 3.rich in Amino acid, vitamin Yeast powder(Feed grade) 40%,45%,50%,55%,60%.A. Function and use1 ... immunity, adsorption Pathogenic factor, improve animal health. B. Recommended dosage Pig 2% -5%Poultry 2% -4%Cattle and sheep 5% -8 ... , ventilated and dry place Shelf life: 12 monthsPackage 1Package 2 Yeast feed 50%