Dietary Alpha-Monolaurin for Nile Tilapia (Oreochromis niloticus): Stimulatory Effects on Growth, Immunohematological Indices, and Immune-Related Gene Expressions

Table 4

Intestinal tract morphology of Nile tilapia fed different levels of alpha-monolaurin.

Items	Experimental treatments				±SE	value
	Control	2 g·kg^−1	4 g·kg^−1	6 g·kg^−1
Villus length (μm)	237.12^b	330.10 ^ab	381.16^a	389.17^a	5.14	0.047
Villus width (μm)	95.18^d	130.57^c	162.30^a	171.12^a	5.32	0.025
Intervilli distance (μm)	61.52^c	75.98^c	89.25^b	101.15^a	1.12	0.032
Goblet cells (mm^2)	15.13^c	18.27^b	21.87^a	22.23^a	0.56	0.049

Means followed by different superscripts in the same row are significantly different ( < 0.05).