Table 6.

Effects of dietary GSH on micro-morphology of the intestine of O. mykiss (mean±SD, n=9).

Groups	muscular layer (μm)	villus height (μm)	villus width (μm)
G0	120.94 ± 8.95a	626.04 ± 36.51	208.06 ± 16.52
G100	128.70 ± 4.67ab	634.04 ± 33.48	214.78 ± 21.11
G200	131.04 ± 11.87ab	636.96 ± 87.82	219.98 ± 36.43
G400	142.16 ± 9.44b	685.73 ± 12.11	234.90 ± 53.65
G800	137.58 ± 10.91ab	655.93 ± 50.01	232.47 ± 45.83
P-values	0.020	0.628	0.884

The superscript small letters in the same column mean the significant difference at p<0.05.