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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

From: Influence of bacterial organic selenium on blood parameters, immune response, selenium retention and intestinal morphology of broiler chickens

Parameters

Dietary treatments 1

  

T1

T2

T3

T4

T5

SEM

P-value

21 days

Villi height µm

Duodenum

914.0c

930.9cb

1020.5ab

1109.6a

1141.9a

20.72

< 0.0001

Jejunum

458.23b

514.12b

599.33a

622.76a

593.07a

14.63

0.0002

Ileum

326.53c

484.97a

402.35b

430.14ab

475.16a

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

1159.9c

1163.9c

1155.1c

1200.1b

1265.2a

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

  1. 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
  2. abc Means with different letter within a row differed significantly