Total AAAD ( apparent amino acid digestibillity) were increased by 3.85%, 3.49%, 2.76% and 4.12% when cockerels were fed pre-experimental diet with enzyme supplementation for one week, two weeks, three weeks, and four weeks compared with common diet group.
与常规日粮组相比,加酶日粮预试一周、二周、三周及四周再强饲,可使总氨基酸表观消化率分别提高3.85、3.49、2.76及4.12个百分点。
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