Table 5.

Duodenal and jejunal morphometry of turkey poults fed diets with supplemental methionine.¹

		Supplemental DL-Met, %	Supplemental L-Met, %
Item	BD2	0.33	0.33	SEM	P value
Villus height, μm
Duodenum, d 7	1224	1254	1232	100	0.99
Duodenum, d 28	2267	2325	2430	74	0.22
Jejunum, d 7	456	536.8	501.6	69.6	0.57
Jejunum, d 28	1055	997.2	1099	64	0.65
Villus width, μm
Duodenum, d 7	141	139.2	138.9	8.1	0.55
Duodenum, d 28	202	184.0	187.3	10.8	0.17
Jejunum, d 7	79	90.9	88.7	5.8	0.39
Jejunum, d 28	117	120.3	141.0	14.1	0.56
Crypt depth, μm
Duodenum, d 7	109	100.5	111.9	5.3	0.36
Duodenum, d 28	143	162.9	150.7	11.7	0.42
Jejunum, d 7	92	105.8	108.1	5.1	0.11
Jejunum, d 28	121	124.1	128.2	6.8	0.81
VH: CD3
Duodenum, d 7	11.3	12.46	11.09	0.98	0.61
Duodenum, d 28	16.0	14.91	16.23	1.23	0.48
Jejunum, d 7	5.0	5.10	4.89	0.69	0.57
Jejunum, d 28	9.1	8.16	8.67	0.51	0.60

¹n = 12.

²BD = basal diet.

³VH: CD = villus height: crypt depth.