Table 3.

Effects of AT-xynA on ileal morphology of broilers.¹

Items	CON	XY	Value of p
day 7
Villus height, μm	293.40 ± 13.80	359.20 ± 13.94	0.015
Crypt depth, μm	64.26 ± 7.38	71.86 ± 11.19	0.592
Villus height to crypt depth ratio	4.72 ± 0.51	5.37 ± 0.79	0.513
day 14
Villus height, μm	428.80 ± 18.56	688.00 ± 12.02	0.097
Crypt depth, μm	85.82 ± 7.75	116.40 ± 14.77	0.104
Villus height to crypt depth ratio	5.12 ± 0.39	5.79 ± 0.51	0.331
day 21
Villus height, μm	492.70 ± 16.23	586.00 ± 31.51	0.010
Crypt depth, μm	95.98 ± 7.42	113.70 ± 1.25	0.136
Villus height to crypt depth ratio	5.21 ± 0.45	5.16 ± 0.21	0.930
day 42
Villus height, μm	792.40 ± 19.21	838.90 ± 28.67	0.214
Crypt depth, μm	113.90 ± 7.15	110.10 ± 5.34	0.680
Villus height to crypt depth ratio	7.08 ± 0.52	7.73 ± 0.59	0.437

¹CON is AT-xynA un-supplemented group; XY is 4,000 U/kg AT-xynA supplemented group.

Values are expressed as means ± standard error of the mean (SEM), n = 6.