Abstract
The phylogenetic relationship of five species of pigs including Guizhou miniature pig, Bama pig, Xisuangbanna inbred pig, Rongchang Pig and Landrance was studied by RAPD analysis. Thirty-nine single polymorphic primers were selected out of 190 primers. The amplified fragments of thirty-nine primers were analysed by the RAPDistance package version 1.04 and the phylogenetic tree was constructed using NJ method. The results indicated as the following: three strains of miniature pigs have close phylogenetic relationship and the phylogenetic relationship between Guizhou miniature pig and Bama miniature pig was much closer. Landrance and Rongchang pig have close phylogenetic relationship too, but their phylogenetic relationship is far from the three strains of miniature pigs.
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