Table 2 Frequency of the Q-bearing haplotype at the SSC7 locus in 31 Chinese a nd Western pig breeds

Indigenous Chinese breeds

Erhualian

Jiangsu

32

0.83

Dongshan

Guangxi

15

0.73

Min

Heilongjiang

22

0.66

Hetao Large Ear

Inner Mongolia

16

0.59

Tongcheng

Hubei

16

0.59

Rongchang

Chongqing

18

0.58

Neijiang

Sichuan

16

0.56

Shaziling

Hunan

11

0.55

Kele

Guizhou

10

0.55

Guangdong Dahuabai

Guangdong

16

0.53

Luchuan

Guangxi

18

0.47

Ganxi

Jiangxi

13

0.46

Tibetan (Diqing)

Yunnan

19

0.34

Bamaxiang

Guangxi

16

0.34

Mingguang Small Ear

Yunnan

16

0.34

Bamei

Qinghai

16

0.31

Tibetan (Milin)

Tibet

16

0.25

Wuzhishan

Hainan

16

0.25

Diannan Small-ear

Yunnan

15

0.10

Congjiangxiang

Guizhou

16

0.09

Tibetan (Litang)

Sichuan

16

0.06

Tibetan (Hezuo)

Gansu

21

0.05

Tibetan (Gongbujiangda)

Tibet

29

0.03

Laiwu

Shandong

18

0.03

Wild boar

Jiangxi

20

0.00

Jinhua

Zhejiang

13

0.00

Licha Black

Shandong

14

0.00

Chinese synthetic breed

Sutai

Jiangsu

15

0.03

Western commercial breeds

Large White

France

35

0.01

Landrace

Denmark

35

0.00

Duroc

U.S.A

40

0.00