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Table 5 Effect of vitamin D3 on serum biochemical and hormones of laying hens infected with LPS*

From: Dietary vitamin D3 supplementation protects laying hens against lipopolysaccharide-induced immunological stress

Items

Dietary VD3 levels, IU/kg

 

P-values

0

3000

Saline

LPS

Saline

LPS

SEM

VD3

LPS

Interaction

CORT (nmol/L)

78.79

91.37

76.78

82.78

5.00

0.169

0.036

0.295

CT (pg/ml)

222.50

191.98

182.17

171.34

5.61

0.001

0.016

0.216

PTH (ng/dl)

78.47

75.94

56.28

45.04

3.89

<  0.001

0.133

0.331

FSH (mIU/ml)

9.27

6.85

13.10

13.90

0.83

<  0.001

0.344

0.075

LH (pg/ml)

9.04bc

7.13c

10.36b

15.46a

0.82

<  0.001

0.041

<  0.001

E2 (pg/ml)

126.41

33.81

81.81

21.00

11.01

0.035

<  0.001

0.219

P (pg/ml)

2.36

1.32

1.86

0.69

0.17

0.002

<  0.001

0.693

T (ng/dl)

71.42

33.73

86.19

28.65

6.27

0.423

<  0.001

0.112

  1. *Data are presented as mean ± SEM (n = 6 hens /group)
  2. a-c Data in the same row with no common superscript differ significantly (P <  0.05)
  3. SEM standard error of the mean; LPS lipopolysaccharide; CORT cortisol; CT Calcitonin; PTH parathyroid hormone; FSH Follicle stimulating hormone; E2 Estradiol; LH Luteinizing hormone; T testosterone; P progesterone