... .feed poultry 2.high protien45%,50%,55%,60% 3.improve animal grow Feed additives :Yeast powder(Feed grade) 40%,45%,50 ... %,55%,60%.A. Function and use1. Is a quality protein supplement ingredients, amino acid balance, may be a partial substitute ... the digestive tract. 4. Enhance immunity, adsorption Pathogenic factor, improve animal health. B. Recommended dosage Pig 2% -5%Poultry 2% -4 ...