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β-葡聚糖酶属非淀粉多糖酶的一种，近２０年来，北美和北欧等国对一些主要麦类饲料中的非淀粉多糖（ＮＳＰ）及其抗营养作用进行了大量研究，并利用外源非淀粉多糖酶加入麦类饲料中，消除它们的抗营养作用，提高它们在畜禽日粮中的应用比例。众多的研究表明，加这些酶到饲料中
β-glucanase is a kind of non-starch polysaccharidase. In the recent 20 years, North American and Nordic countries have done a great deal of research on non-starch polysaccharides (NSP) and their anti-nutritional effects in some major wheat feedstuffs. Exogenous non-starch polysaccharides added to wheat feed, eliminating their anti-nutritional effects, improve their application in livestock and poultry diets ratio. Numerous studies show that adding these enzymes to feed