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Table 7 Relative mRNA abundances of genes of the lipid metabolism (β-oxidation, lipogenesis, VLDL assembly) and ketogenesis in the liver of cows fed the control diet or the control diet supplemented with green tea extract (GTE) in weeks 1, 4 and 7 of lactation1

From: Effects of supplementation of green tea extract on the milk performance of peripartal dairy cows and the expression of stress response genes in the liver

 

Week 1

 

Week 4

 

Week 7

 

P-value

Con

GTE

SEM

Con

GTE

SEM

Con

GTE

SEM

GTE

Week

GTE × week

Parity

Genes of β-oxidation2

ACADM

1.00

0.69

0.19

1.05

0.95

0.19

1.06

0.96

0.19

0.21

0.27

0.57

0.51

ACOX1

1.00

0.74

1.57

1.19a

0.84b

1.53

1.11

0.93

1.57

0.005

0.23

0.70

0.06

CPT1A

1.00a

0.64b

0.17

1.14

1.03

0.14

0.92

0.68

0.14

0.06

0.002

0.33

0.84

Genes of lipogenesis2

SREBF1

1.00

0.85

0.44

1.49

1.37

0.44

2.22

1.33

0.44

0.13

0.018

0.34

0.56

ACACA

1.00

0.66

0.54

1.91

1.61

0.54

2.97

2.15

0.54

0.22

< 0.001

0.69

0.55

FASN

1.00

0.77

0.59

1.31

1.88

0.59

1.48

2.36

0.59

0.48

0.03

0.34

0.12

Genes of VLDL assembly2

APOB

1.00

0.74

0.18

1.32

1.11

0.18

1.41

1.11

0.18

0.09

< 0.001

0.91

0.75

MTTP

1.00

0.78

0.16

1.03

0.93

0.16

0.96

0.79

0.16

0.20

0.50

0.85

0.46

Genes of ketogenesis2

ACAT1

1.00

0.98

0.20

0.94

0.75

0.20

1.36a

0.84b

0.20

0.07

0.19

0.19

0.41

HMGCS2

1.00

0.74

0.27

1.09

1.29

0.27

1.21

1.45

0.27

0.96

0.031

0.28

0.30

HMGCL

1.00

1.08

0.22

0.79

0.80

0.22

1.01

1.02

0.22

0.89

0.11

0.94

0.09

  1. 1Values are least square means, n = 15 for each group
  2. 2Relative mRNA abundances of Con in week 1 are set as a reference (=1.00)
  3. a,b Means within one week with different superscripts differ significantly (P < 0.05)
  4. SEM standard error of means, VLDL very low-density lipoproteins