Table 1 Descriptive statistics of copy number variants identified in the Italian local chicken breeds

 ANC

24

427

27

2

480

30,895,153

64,365

2,378

918,621

2.71

 BPT

27

104

8

0

139

9,930,942

71,446

5,580

1,862,447

0.87

 BSA

58

348

11

0

417

44,933,947

107,755

6,464

803,891

3.94

 COR

31

196

43

0

270

21,300,170

78,890

857

923,575

1.87

 MER

32

124

4

0

160

15,414,093

96,338

5,157

900,960

1.35

 MOD

15

54

9

0

78

2,324,960

29,807

4,494

100,019

0.20

 MUG

46

150

15

0

211

10,431,587

49,439

2,726

506,421

0.91

 PER

90

22

7

0

119

5,647,643

51,813

7,526

472,494

0.49

 PLB

36

96

9

0

141

8,284,013

58,752

4,389

304,806

0.73

 PLN

38

152

5

0

195

10,091,542

51,752

1,643

347,761

0.88

 PML

134

198

13

0

345

24,815,055

71,928

4,431

412,846

2.17

 PPA

15

39

8

0

62

3,095,619

49,929

9,035

153,514

0.27

 PPB

24

31

8

1

64

1,847,570

28,868

3,023

115,628

0.16

 PPC

34

39

5

0

78

2,284,986

33,603

3,023

221,819

0.20

 PPD

27

35

18

0

80

2,276,698

28,459

3,023

221,819

0.20

 PPN

23

26

2

0

51

527,861

12,875

3,023

45,506

0.05

 PPP

91

344

0

0

435

75,993,667

174,698

4,904

2,863,848

6.66

 PRL

9

25

6

0

40

941,152

23,529

3,614

68,519

0.08

 PRM

40

30

17

1

88

2,075,529

27,310

2,378

69,072

0.18

 ROM

6

74

16

8

104

4,068,436

39,120

6,264

217,674

0.36

 SIC

65

104

15

0

184

8,853,192

48,115

5,105

256,437

0.78

 VLD

13

33

7

0

53

4,929,325

94,795

3,499

1,059,613

0.43

 VLP

52

409

7

0

468

79,647,292

170,187

3,249

2,849,628

6.98

Total^*

930

3,060

260

12

4,262

370,610,432

1,463,770

95,785

15,696,918

32