Table 2.

Effects of AKG supplementation on the ileal morphology of piglets after 4 h LPS challenge

Item	Saline		LPS		SEM	P-value
	CON	AKG	CON	AKG		Diet	LPS	Interaction
Villus height, μm	225.24b	417.95a	171.24c	223.14b	8.681	<0.01	<0.01	<0.01
Villus area, μm	91486.34c	277997.12a	47143.60d	107962.11b	9985.774	<0.01	<0.01	<0.01
Crypt depth, μm	236.19b	116.99c	351.15a	207.83b	12.295	<0.01	<0.01	0.339
VCR	0.98b	3.79a	0.53c	1.10b	0.132	<0.01	<0.01	<0.01

^a,b,c,dLabeled means in a row without a common letter differ at P < 0.05.

Values are expressed as the mean ± standard error (n = 6).

CON, control; LPS, lipopolysaccharide; AKG, alpha-ketoglutarate. VCR, villus height/crypt depth ratio.