Betaine addition to the diet alleviates intestinal injury in growing rabbits during the summer heat through the AAT/mTOR pathway

Table 7 Effects of betaine on intestinal morphology of growing rabbits under the summer heat

Items	Betaine, g/kg					SEM	P-value
Items	0	0.75	1.00	1.50	2.00	SEM	ANOVA	Linear	Quadratic
Jejunum
VH, μm	340^b	350^b	790^a	530^ab	700^a	56.59	0.014	0.021	0.051
CD, μm	130^b	260^b	590^a	110^b	120^b	56.91	0.013	0.673	0.068
V/C	2.60	1.64	2.76	4.76	5.75	0.05	0.058	0.007	0.013
Ileum
VH, μm	350	380	410	500	460	25.37	0.360	0.052	0.150
CD, μm	100	110	100	100	100	2.56	0.804	0.461	0.767
V/C	3.35	3.47	4.00	5.07	4.53	0.23	0.079	0.011	0.040

VH Villus height, CD Crypt depth, V/C Villus height to crypt depth ratio
^a,bDifferent superscript lowercase letters within the same row indicate significant differences (P < 0.05)

ISSN: 2049-1891