Mulberry leaves were mixed with rapeseed meal (RSM),soybean meal (SBM) or cotton-seed meal (CSM) at the proportion of 0,20,40,50,60,80,100% in the mixtures,respectively(trial 1).

• 试验一把桑叶与菜籽粕、豆粕或棉籽粕按饼粕占0、 20、 40、 50、 60、 80、 100%25的比例进行组合，每个处理组合四个重复。