Table A.2.

Effects of glutamine on intestinal development in chickens for fattening: villi height and crypt depth (μm)

Source	Day	Supplemental glutamine in the diet (%)
		0	0.5	1.0	1.5	2.0	4.0
Bartell, 2006a,b. Chapt. 42	21
Duodenal villi height		336c		557a/518a, 1		585a
Bartell, 2006a,b. Chapt. 5	25
Duodenal villi height		287a		606b
	40
Duodenal villi height		572a		807b
Bartell and Batal, 2007. Study 1	21
Duodenal villi height		739b		908a			937a
Jejunal villi height		447c		750b			784a
Bartell and Batal, 2007. Study 2	21
Duodenal villi height		746b		1,091a
Jejunal villi height		591b		1,049a
Soltan (2009)	21
Duodenal villi height		891b	993ab	1023a	1047a	1090a
Duodenal crypt depth		173a	150ab	141ab	135b	129b
Jejunal villi height		457a	621b	730a	747a	785a
Jejunal crypt depth		101a	95a	92a	90a	87a
Ebadiasl (2011)	34
Villi height mid intestine		1482	1614	1,713
Crypt depth		166	190	153
Luquetti et al. (2016)	28
Duodenal villi height		1,481		1,545
Duodenal crypt depth		293		288
Jejunal villi height		1,101a		1,238b
Jejunal crypt depth		251		218
Ileal villi height		1,028		1,060
Ileal crypt depth		187		203
Namroud et al. (2017)	7
Duodenal villi height		606a		688b		695b
Duodenal crypt depth		155		153		156
Jejunal villi height		531a		616b		608b
Jejunal crypt depth		128a		107b		104b
Ileal villi height		251a		304b		310b
Ileal crypt depth		80.2a		75.1b		74.0b
	14
Duodenal villi height		1,218		1,232		1,227
Jejunal villi height		936a		1,105b		958a
Ileal villi height		690a		720b		680a

¹First value with the same Gln source as Bartel and Batal; second value with another Gln source.

²Ch: chapter.

a,b,c Means within a row with different superscript letters are significantly different (p ≤ 0.05).