Table 7.

Shrimp intestine histomorphometry fed with levels of protected sodium butyrate (PSB).

PSB (kg/t)	Villus height (μm)	Width height (μm)	Lamina propria	H:W ratio
PSB|0 kg/t	26.432 ± 13.0734b	23.791 ± 12.1846a	13.530 ± 8.6486a	1.205 ± 0.6216c
PSB|2 kg/t	27.690 ± 8.7426b	14.623 ± 5.6515b	7.205b ± 2.9420c	2.097 ± 0.926b
PSB|4 kg/t	36.059 ± 9.5246a	12.415 ± 3.0418b	3.783 ± 1.7274c	2.997 ± 0.7984a
PSB|8 kg/t	30.229 ± 7.1425a,b	21.755 ± 5.8927a	9.831 ± 4.9968a,b	1.572 ± 0.8342b,c
p-Value	0.0143	<0.001	<0.001	<0.001
SEM	1.9744	1.368	0.935	0.180
Linear	0.129	0.912	0.89	0.27
Quadratic	0.024	<0.001	<0.001	<0.001
C.V.	32.76	41.27	61.46	40.75

Note: The letters a, b, and c in the columns indicate statistical differences by the Tukey test.