Table 5.

Evaluation of a nutritional rehabilitation model on morphometric analysis of duodenum in three genetic chicken lines fed rye or corn at varying time points at day 20 of age.

Treatment/variable	Genetic line			Variable	P-value
	Modern broiler	1995 Line	Jungle Fowl
Villus height (μm)
Corn–corn	242.48 ± 15.94	244.57 ± 14.76	190.32 ± 17.47	trt	0.0003
Rye–corn	276.67 ± 15.94	250.22 ± 15.94	227.3 ± 17.47	line	<0.0001
Rye–rye	303.81 ± 15.94	313.13 ± 17.46	205.74 ± 15.94	trt*line	0.059
Corn–rye	329.37 ± 15.94	324.17 ± 15.94	200.06 ± 19.53
Crypt depth (μm)
Corn–corn	30.47 ± 1.84b,z	24.41 ± 1.71c,z	22.77 ± 2.02a,z	trt	<0.0001
Rye–corn	29.69 ± 1.84b,z	29.70 ± 1.84b,c,z	24.18 ± 2.02a,z	line	<0.0001
Rye–rye	39.90 ± 1.84a,y	42.90 ± 2.02a,y	27.17 ± 1.84a,z	trt*line	0.0014
Corn–rye	41.64 ± 1.84a,y	37.63 ± 1.84b,y	23.08 ± 2.26a,z
Villus height to crypt depth (μm)
Corn–corn	7.96 ± 1.21	10.03 ± 1.12	8.56 ± 1.32	trt	0.9001
Rye–corn	9.57 ± 1.21	8.49 ± 1.21	9.44 ± 1.32	line	0.1661
Rye–rye	7.61 ± 1.21	7.38 ± 1.32	13.04 ± 1.21	trt*line	0.0886
Corn–rye	8.04 ± 1.21	8.94 ± 1.21	8.88 ± 1.48
Muscularis (μm)
Corn–corn	33.77 ± 2.87	33.58 ± 2.66	29.44 ± 3.15	trt	0.203
Rye–corn	30.12 ± 2.87	31.52 ± 2.87	24.70 ± 3.15	line	0.0391
Rye–rye	35.59 ± 2.87	29.59 ± 3.15	36.68 ± 2.87	trt*line	0.0609
Corn–rye	35.03 ± 2.87	37.63 ± 2.87	22.91 ± 3.52

Data are expressed as the LSmean ± SE.

^a–cSignificant differences between the treatments within the column at each time point.

^y–zSignificant difference between the genetic lines within the rows at each time point.