Biodiversity Science ›› 2005, Vol. 13 ›› Issue (1): 20-26.doi: 10.1360/biodiv.040127

• Editorial • Previous Article     Next Article

Genetic diversity in the Wuzhishan pig from Hainan based on 32 microsatellite loci

Xilong Wang1, 3, Jiangtao Ou1*,  Liguang Huang1*,  Chunhua Guo2, Jincheng Zhong2, Xiaocheng Li2,  Feng Wang1,  Xinli Zheng1   

  1. 1 Institute of Animal Science and Veterinary Medicine,Hainan Academy of Agricultural Sciences,Haikou 571100
    2 College of Life Science and Technology, Southwest University for Nationalities, Chengdu 610041
    3 College of Animal Science and Technology, China Agricultural University, Beijing 100094
  • Received:2004-09-06 Revised:2004-12-11 Online:2005-01-20
  • Jiangtao Ou

Wuzhishan pig, which originated from Hainan Province, China, is one of China′s rare miniature pig breeds. It is a potential genetic resource for sustainable pig production. In addition, it can be utilized as an experimental animal for medical and veterinary research due to its small size with the mature body weight of only about 25 kg. We detected its genetic polymorphisms using 32 microsatellites distributed on 14 chromosomes. A total of 200 individuals were sampled from the nuclear herd and from an inbred herd at the Wuzhishan Pig Breeding Farm in Hainan Province and analysed by multiplex PCR and gene scanning techniques. The average numbers of alleles at the 32 marker loci were 9.410, 13.660, and 14.590 in the nuclear group, the inbred group, and the merged group, respectively. The average homozygosity was almost the same in the three groups, about 44% in each case. The polymorphism information content in the three groups was 0.708, 0.731, and 0.742, respectively. The results indicate a rich genetic polymorphism in Wuzhishan pig.

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