During the later period of the test, amylase activity in foregut of intermediate protein content feed group is significantly higher than that of high protein content group.
而在试验后期，中蛋白饲料组前肠中该酶活性显著高于高蛋白饲料组的。
During the later period of the test, amylase activity in foregut of intermediate protein content feed group is significantly higher than that of high protein content group.
而在试验后期，中蛋白饲料组前肠中该酶活性显著高于高蛋白饲料组的。
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