Using leymus chinensis fibre as fibre source, the number and height of caecum plica may beincreased by increasing the crude fibre content of diet from 50% to 60%.

• 以羊草为纤维源的雏鹅日粮粗纤维含量由5%25提高到6%25可以使盲肠皱襞高度、盲肠单位长度内皱襞个数增加。