... quality.4 Increase the usage quantity of unconventional raw material (wheat, bran, wheat-middlings, rice bran and ... help the immune systems of the animals;Specification:xylanase activity≥100,000 U/g;≥50, ... quality.4 Increase the usage quantity of unconventional raw material (wheat, bran, wheat-middlings, rice bran ... help the immune systems of the animals;Specification:xylanase activity≥100,000 U/g;≥50 ...