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Table 1 Means of blood biochemical metabolites during transition period in high yielding dairy cows (n = 10)

From: Changes in metabolic and hormonal profiles during transition period in dairy cattle – the role of spexin

Blood indices

Time of sample collection

Multiple comparison p-values

Overall P-value

pre

cal

post

pre-cal

cal-post

pre-post

Spexin, ng/ml

32.74

18.45

24.46

< 0.001

0.025

< 0.001

< 0.001

NEFA, mmol/l

0.37

0.54

0.47

0.003

0.137

0.001

< 0.001

BHBA, mmol/l

0.78

0.94

0.96

0.049

0.954

0.001

0.001

Glucose, mg/dl

73.54

80.10

69.50

0.109

0.001

0.162

0.001

Insulin, ng/ml

0.71

0.81

0.42

0.888

0.037

0.008

0.002

IGF - I, ng/ml

118.64

128.45

135.64

NA

NA

NA

0.325

Triglycerides, mg/dl

38.62

38.84

34.68

0.994

0.052

0.032

0.008

Cholesterol, mg/dl

133.19

122.52

140.13

0.187

0.004

0.222

0.003

Ghrelin active, pg/ml

8.72

13.00

15.14

0.436

0.857

0.031

0.040

Ghrelin total, pg/ml

293.57

411.64

563.64

0.118

0.100

< 0.001

< 0.001

Leptin, ng/ml

19.25

17.44

18.73

NA

NA

NA

0.647

Corticosterone, ng/ml

1.17

8.51

7.68

0.019

0.935

< 0.001

< 0.001

Progesterone, ng/ml

5.59

1.73

2.37

NA

NA

NA

0.050

17 β-estradiol, pg/ml

106.61

117.11

19.88

0.990

0.144

0.006

0.003

AST, IU/l

61.15

55.22

62.41

NA

NA

NA

0.333

ALP, IU/l

35.68

38.06

33.76

NA

NA

NA

0.494

GGTP, IU/l

8.83

8.78

9.86

NA

NA

NA

0.440

  1. NA multiple comparisons not performed
  2. NEFA nonesterified fatty acid, BHBA β-hydroxybutyrate acid, IGF – I insulin-like growth factor I, AST aspartate transaminase: ALP alkaline phosphatase, GGTP gamma-glutamyl transferase, pre – mean concentration from -21d to -7d: cal – concentration at calving day, post – mean concetration from 7 to 21 day in milk