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Table 8 GWAS validation results for udder traits in Montbéliarde (MON), Normande (NOR), and Holstein (HOL) cows

From: Confirmed effects of candidate variants for milk production, udder health, and udder morphology in dairy cattle

QTL IDa

BTA

Breed

Traits (# QTLb)

Candidate variantsc

50K SNPs

Variant with the most significant effect

# Total

# with -log10(P) > 6

# in TOP10

Best rank

Total#

# with -log10(P) > 6

# in TOP10

Best rank

Position (pb)

ID

− log10(P)

Functional annotation

37

1

HOL

US(1)

4

2

4

1

11

0

6

3

110,870,166

rs42324415

6.8

Intergenic

38

2

NOR

RUH(4)

14

0

2

1

80

0

8

2

6,325,829

rs385535384

3.0

Intergenic

39

4

HOL

UD(1)

0

0

0

0

3

0

3

1

10,078,207

rs42524753

1.7

Intergenic

40

4

HOL

FTD(1)

5

0

5

3

2

0

2

1

70,680,040

rs41652994

1.0

Intergenic

41

5

HOL

TL(1)

5

4

5

2

3

1

3

1

12,443,146

rs41604034

10.7

TMTC2 intron

42

5

HOL

UD(1)

17

8

9

1

3

1

1

4

88,812,245

rs209585944

16.9

ABCC9 intron

42

5

HOL

FUA(1)

17

8

9

1

3

1

1

3

88,812,245

rs209585944

17.6

ABCC9 intron

43

6

HOL

RUH(1)

0

0

0

0

18

0

7

1

72,028,756

rs110103615

3.8

Intergenic

44

6

MON

UD(1)

20

17

8

1

7

0

2

7

88,723,742

rs436532576

19.1

GC intron

45

6

HOL

SCS(1)

37

6

10

1

14

3

0

18

88,723,742

rs436532576

6.3

GC intron

45

6

HOL

UD(1)

37

22

10

1

19

0

0

18

88,723,742

rs436532576

19.4

GC intron

46

8

HOL

FTD(2)

4

0

3

3

19

0

7

1

83,693,221

rs41570498

3.5

Intergenic

47

9

MON

SCS(1)

2

0

2

2

12

0

5

1

23,517,815

rs41611219

2.7

ME1 intron

48

9

MON

SCS(1)

1

0

1

7

12

5

9

1

25,793,691

rs109661188

0.3

NCOA7 intron

49

9

MON

SCS(1)

1

0

1

1

13

0

9

2

29,130,097

.

0.8

HSF2 missense

50

14

MON

RUH(1)

24

12

10

1

17

0

0

12

25,015,640

rs109815800

29.5

PLAG1 intron

51

17

MON

FUA(1)

3

0

3

1

60

0

2

4

62,695,902

rs109014048

5.9

Intergenic

51

17

MON

US(1)

9

8

9

1

6

0

1

10

62,809,661

rs110701343

6.9

Intergenic

52

17

NOR

US(1)

10

5

8

1

5

0

2

6

62,693,355

rs109184112

14.7

Intergenic

53

19

HOL

MSS(1)

12

12

9

1

11

0

1

9

7,543,195

rs109941836

8.5

Intergenic

54

19

HOL

MSS(1)

11

0

2

3

18

0

8

1

60,009,650

rs41653204

3.3

Intergenic

55

19

MON

UD(1)

4

0

4

3

6

1

6

1

61,478,388

rs109108437

5.4

Intergenic

55

19

MON

MSS(1)

10

0

7

3

2

0

3

1

59,984,238

rs110395313

3.1

Intergenic

56

20

HOL

FUA(3)

13

4

4

1

5

0

6

2

27,756,459

rs382512825

10.1

ISL1 upstream

57

24

MON

UB(1)

13

8

8

1

8

2

2

9

34,317,850

rs210449055

13.7

Intergenic

58

24

HOL

RUH(1)

17

0

9

1

5

1

1

5

34,317,850

rs210449055

2.7

Intergenic

59

26

HOL

TO(1)

8

8

8

1

26

0

2

9

38,617,279

rs109011767

10.7

RAB11FIP2 3′ UTR

60

28

MON

MSS(1)

2

0

1

3

15

1

9

1

20,014,813

rs42137452

2.2

Intergenic

61

29

HOL

UD(3)

20

0

2

3

27

0

8

1

49,412,703

rs42194458

1.9

KCNQ1 intron

61

29

HOL

SCS(1)

11

0

4

1

25

5

6

2

50,066,017

rs133306466

2.2

IGF2 downstream

61

29

HOL

UB(2)

23

0

6

2

43

0

4

1

50,296,573

rs42196507

2.8

SYT8 upstream

  1. #: number of
  2. aID number associated with a group of QTL linked with udder traits that had overlapping confidence intervals or less than 1 Mbp distance between the bounds of the confidence intervals
  3. bIndividual QTL; somatic cell score (SCS), clinical mastitis score (CM), udder support (US), udder depth (UD), fore udder attachment (FUA), rear udder height (RUH), fore teat distance (FTD), udder balance (UB), teat orientation (TO), teat length (TL), and milking speed score (MSS); c candidate variants selected from sequence-based GWAS results