. 2020 Sep 29;16:365. doi: 10.1186/s12917-020-02587-x

Table 4.

Effects of inorganic and bacterial organic selenium sources on villus height and crypt depth of the duodenum, jejunum, and ileum in broiler chickens

Parameters	Dietary treatments ¹
Parameters	T1	T2	T3	T4	T5	SEM	*P-value*
21 days
Villi height µm
Duodenum	914.0^c	930.9^cb	1020.5^ab	1109.6^a	1141.9^a	20.72	< 0.0001
Jejunum	458.23^b	514.12^b	599.33^a	622.76^a	593.07^a	14.63	0.0002
Ileum	326.53^c	484.97^a	402.35^b	430.14^ab	475.16^a	13.18	< 0.0001
Crypt depth, µm
Duodenum	80.87	75.15	78.35	74.17	73.88	1.82	0.7199
Jejunum	72.07	71.63	70.75	71.83	73.21	1.51	0.9925
Ileum	75.36	75.59	70.80	72.69	71.82	2.21	0.9508
42 days
Villi height µm
Duodenum	1159.9^c	1163.9^c	1155.1^c	1200.1^b	1265.2^a	16.71	0.0360
Jejunum	619.74	625.57	685.19	731.08	696.85	16.53	0.1474
Ileum	550.62	575.92	576.10	588.88	599.52	13.92	0.8618
Crypt depth, µm
Duodenum	97.78	99.68	94.99	93.10	92.91	2.36	0.8809
Jejunum	89.68	87.14	85.33	83.20	75.99	1.51	0.0610
Ileum	91.61	87.75	82.81	80.99	78.81	2.38	0.4477

¹T1; basal diet, T2; basal diet + 0.3 mg/ kg feed sodium selenite, T3; basal diet + 0.3 mg/ kg feed ADS1 Se, T4; basal diet + 0.3 mg/ kg feed ADS2 Se, T5; basal diet + 0.3 mg/ kg feed ADS18 Se

^abc Means with different letter within a row differed significantly