... 2.high protien45%,50%,55%,60% 3.improve animal grow Animal feed supplements:Yeast powder(Feed grade) 40%,45%,50%,55%,60%. A. Function ... the digestive tract. 4. Enhance immunity, adsorption Pathogenic factor, improve animal health. B. Recommended dosage Pig 2% -5%Poultry 2% -4 ... place Shelf life: 12 monthsPackage 1 Package 2 Used for animal