A.
补充幼龄畜禽本身酶分泌量的不足,提高动物的消化能力supplement the shortage of enzyme secretion in young livestock and poultry itself to improve the digestive capacity of animals
B.
释放促生长因子Release growth-promoting factors
C.
添加畜禽消化道不能分泌的酶,促进饲料中某些营养物质的降解Add enzymes that cannot be secreted by the digestive tract of livestock and poultry to promote the degradation of certain nutrients in feed
D.
释放抑制生长因子Releasing growth-inhibiting factors