Table 6 Effects of heat stress on serum hormones at different stages in Holstein cows.

From: Effects of heat stress on 16S rDNA, metagenome and metabolome in Holstein cows at different growth stages

Items

Groups

SEM

C-N

C-HS

H-N

H-HS

Dc-N

Dc-HS

PRL, μIU/mL

3076.49

2707.12

3192.27

2877.77

2892.63

2560.43

53.1

GC, ng/mL

33.05

24.65

37.36

29.02

29.15

21.26

0.28

T3, ng/mL

1.34

1.76

1.04

1.35

1.78

2.29

0.02

T4, ng/mL

68.46

87.17

56.93

76.09

81.71

99.18

1.06

INS, mU/mL

13.31

8.91

14.87

11.15

11.69

7.25

0.15

COR, ng/mL

102.66

73.34

117.58

97.19

87.62

57.17

1.51

Degree of INS reduction*

0.33

0.25

0.38

0.01

  1. Notes: *The calculation formula is (N-S)/N
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