Genetic diversity of spotted large white, large white and pietrain using microsatellite analysis
2002
Sompoch Tabchareon(Kasetsart University, Bangkok (Thailand). Suwanwajokkasikit Institute. National Swine Research and Training Center) | Srisuwan Chomchai(Kasetsart University. Bangkhen Campus, Bangkok (Thailand). Faculty of Agriculture. Department of Animal Science) | Neramit Sookmanee(Kasetsart University. Bangkhen Campus, Bangkok (Thailand). Faculty of Agriculture. Department of Animal Science) | Wanee Chaiwatanasin(Kasetsart University. Bangkhen Campus, Bangkok (Thailand). Faculty of Agriculture. Department of Animal Science) | Somwong Trakulrung(Kasetsart University. Kamphaeng Saen Campus, Nakhon Pathom (Thailand). National Center Genetic Engineering and Biotechnology)
Thirty-six microsatellite loci were analyzed in 30 random individuals to characterize the genetic variability of Spotted Large White (SLW), Large White (LW) and Pietrain(PT). Mean numbers of allele per locus, mean numbers of shared allele per locus and average gene diversity per locus were 5.39, 2.14 and 0.6646, respectively. Polymorphism information content (PIC), observed and expected heterozygosity of SLW (0.5138, 0.5667 and 0.6344, respectively) were lower than the values in LW (0.5685, 0.5706 and 0.6943, respectively) and PT (0.5236, 0.4806 and 0.6439). Base on Nei standard genetic distance, there was a great genetic differentiation between SLW and the other two breeds. Similarly, individual clustering based on the proportion of shared alleles showed that SLW individuals formed a single cluster separated from the other two pig breeds.
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