Table 9.

Effects of substituting SBM with YMM on the intestinal morphology of grass carp after 8 weeks¹.

Item	Groups					P-value
	SBM	H25	H50	H75	H100	ANOVA	Linear	Quadratic
FH, μm	510.03 ± 24.414b	596.43 ± 6.941c	634.23 ± 41.329c	783.80 ± 4.401d	423.70 ± 9.102a	0.001	0.423	<0.001
MT, μm	206.60 ± 13.611b	213.93 ± 4.573b	205.80 ± 7.367b	176.37 ± 3.149a	171.57 ± 10.186a	0.022	0.003	0.109
GC, number of cells/villus	43.00 ± 3.211b	41.67 ± 0.877b	43.33 ± 2.851b	18.67 ± 1.204a	17.33 ± 0.333a	0.001	0.003	0.001

YMM = yellow mealworm meal; SBM = soybean meal; FH = fold height; MT = muscle thickness; GC = goblet cell.

Different superscripts were used to show statistical differences at P < 0.05.

¹SBM was substituted by YMM at 0% (SBM), 25% (H25), 50% (H50), 75% (H75) and 100% (H100), respectively.