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