Change pattern of xylanase activity in the GIT : Xylanase activity in different GITsegments differed significantiy when enzymes were supplemented.

• 木聚糖酶活性变化 小麦日粮中添加木聚糖酶制剂，21日龄肉仔鸡消化道各段木聚糖酶活性存在显著差别。 其中空肠木聚糖酶活性最大，盲肠和十二指肠活性次之。