降低消化道ph值，增强消化酶的分泌，提高饲料消化率，增加采食量，促进动物生长。
PH value of lower digestive tract, and enhance the secretion of digestive enzymes to improve digestibility of feed, increase feed intake and promote animal growth.
利用发酵技术来生产营养剂(如某些必需氨基酸或全价蛋白质)或提高动物饲料的消化率。
Fermentation technologies are used to produce nutrients (such as particular essential amino acids or complete proteins) or to improve the digestibility of animal feeds.
因此，培育耐低温、干旱、盐碱以及高消化率的转基因饲料作物，可创造巨大的经济和社会效益。
Therefore, fostering transgenic feedstuff crops with high digestion rate and resistance to low temperature, drought, salt can make tremendous economical and social benefit.
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