Construction of Genetic Microsatellite Maps for Some Chromosomes in Chinese Swine Reference Population

Su, Yuhong;Xiong, Yuanzhu;Zhang, Qin;Liu, Weimin;Jiang, Siwen;Yu, Li;Xia, Xuanyan;Zeng, Rong;Deng, Changyan

  • Received : 2001.11.30
  • Accepted : 2002.05.01
  • Published : 2002.10.01


In aiming to identify the genes or genetic regions responsible for quantitative traits, a swine reference population had been constructed using three Large White boars and seven Meishan dams as parents. Five $F_1$ males and 23 $F_1$ females were intercrossed to generate 147 $F_2$ offspring. Thirty-one microsatellite markers covering Sus scrofa chromosomes (SSC) 2, 4, 6 and 7 were genotyped for all members. Construction of genetic microsatellite maps was performed using the CRIMAP software package. The lengths of these chromosomes were longer than MARC maps. They were 158.6cM, 180.3cM, 197.3cM and 171.4cM, respectively. A two modified orders of markers were observed for SSC6 and SSC7. The female map on SSC6 was shorter than male map, and the contrary was on SSC 2, 4 and 7.


Swine;Chromosomes 2;4;6;and 7;Crimap Software;Linkage Maps


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Supported by : Major State Research Development Program, Science Foundation of Hubei Province