In addition, the villus height of small intestine in group C was decreased than that in group N, but no changes were found between group N and group CH (P>0.05).

• 此外，与N组仔猪相比，C组仔猪小肠各段绒毛高度都有不同程度降低(P>0.；05)，而CH组仔猪小肠各段绒毛高度与N组仔猪接近，未有明显变化。