Adult White Leghorn cockerels (n=60),25 weeks of age and weighing between 1.60 and 1.75 kg,were selected from a flock.Th......

分别以醋酸纤维素与微晶纤维素为纤维源配制成粗纤维水平为５％的两种无氮日粮。其中微晶纤维日粮设高进食量（１０００ｇ／ｄ）与低进食量（５００ｇ／ｄ）两个处理，醋酸纤......