. 2012 Apr;25(4):541–551. doi: 10.5713/ajas.2011.11378

Table 7.

Effects of post hatch holding time and dietary supplements on the morphology of small intestine at d 21¹

	Jejunum				Ileum

	Submucosa (μm)	Villus height (μm)	Crypt depth (μm)	Villus/crypt ratio	Submucosa (μm)	Villus height (μm)	Crypt depth (μm)	Villus/crypt ratio
FED
Control	30.0^a	1,417.9^ab	280.5^a	5.14^e	28.8^a	893.2^a	198.3^a	4.81^c
Antibiotic	23.2^bc	1,542.8^a	200.4^bcd	8.93^b	25.8^abc	772.2^bc	102.0^b	8.04^ab
MOS	21.2^cde	1,239.6^c	174.9^cd	7.39^c	24.4^abc	782.4^b	103.6^b	8.23^ab
Acidifier	26.6^ab	1,418.7^ab	227.1^abc	6.61^cd	28.9^a	890.4^a	116.7^b	7.65^b
HELD
Control	19.0^de	1,321.3^bc	189.8^bcd	7.14^c	26.4^ab	803.5^ab	108.3^b	7.73^b
Antibiotic	18.6^e	1,435.7^ab	135.0^d	10.88^a	21.7^c	694.5^c	79.1^c	9.33^a
MOS	19.7^cde	1,062.9^d	264.1^ab	5.32^de	21.8^c	835.1^ab	115.9^b	7.34^b
Acidifier	22.8^bcd	1,566.2^a	262.1^ab	6.12^cde	23.9^bc	893.3^a	114.6^b	8.05^ab
SEM	1.3	59.6	24.6	0.45	1.4	29.2	6.4	0.49
	———Probability of greater F value in analysis of variance²———
Diet	^***	^***	^*	^***	^**	^***	^***	^***
Holding time	^***	NS	NS	NS	^***	NS	^***	^**
Diet×holding time	^**	^*	^***	^***	NS	^*	^***	^***

Values are means of 12 replicates.

NS = Not significant;

p<0.05;

^**

p<0.01;

^***

p<0.001.

^a,b

Means within a column without a common superscript differ significantly.