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Table 1 Single nucleotide polymorphism, diversity, inbreeding and linkage disequilibrium within Welsh breeds

From: Population structure and history of the Welsh sheep breeds determined by whole genome genotyping

Breed

No. a

F b

P n c

H e d

N e e

No. sampling locations

Tregaron Welsh Mountain

6

0.024

0.911

0.361

117

1

Improved Welsh Mountain

15

0.035

0.968

0.377

649

1

Llandovery White Faced

24

0.046

0.970

0.377

806

1

Dolgellau Welsh Mountain

8

0.052

0.920

0.358

158

1

Hill Flock Welsh Mountain

24

0.055

0.965

0.367

431

1

Talybont Welsh Mountain

24

0.060

0.946

0.354

188

1

Welsh Hardy Speckled Faced

24

0.062

0.969

0.374

603

2

Brecknock Hill Cheviot

24

0.064

0.930

0.350

737

1

Badger Faced

24

0.066

0.973

0.380

825

3

Lleyn

22

0.077

0.934

0.351

207

2

Hill Radnor

21

0.118

0.942

0.350

198

2

South Wales Welsh Mountain

18

0.119

0.820

0.341

141

1

Beulah

23

0.123

0.900

0.324

102

1

Llanwenog

22

0.139

0.913

0.337

149

2

Clun Forest

17

0.143

0.884

0.328

104

1

Balwen

15

0.160

0.920

0.323

94

1

Black Welsh Mountain

24

0.206

0.900

0.327

89

2

Kerry Hill

18

0.213

0.869

0.306

88

1

Total/Average

353

0.098

0.924

0.349

316

1.4

  1. aNo. of individuals genotyped from each breed
  2. bInbreeding coefficient
  3. cProportion of polymorphic loci within a breed
  4. dExpected heterozygosity
  5. eEffective population size estimated from linkage disequilibrium