Biodiversity Science ›› 2000, Vol. 08 ›› Issue (3): 253-256.doi: 10.17520/biods.2000035

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Genetic diversity of Diqing-Tibetan Pig of Yunnan

LI Xiang-Yun1, REN Zhan-Jun2, CHANG Hong3   

  1. 1 Research Center in Arid and Semiarid Areas , Northwest Sci- Tech University of Agriculture and Forestry , Shaanxi 712100
    2 College of Animal Science and Technology , Northwest Sci- Tech University of Agriculture and Forestry , Shaanxi 712100
    3 Agricultural College , Yangzhou University , Yangzhou 225009
  • Received:2000-01-03 Revised:2000-03-20 Online:2000-08-20

In the present study , analysis of 13 blood protein loci obtained from 52 Diqing- Tibetan pigs was carried out by means of horizontal starch gel electrophoresis. Polymorphism was found in seven loci , i. e. the Transferrin ( Tf) , Ceruloplasmin (Cp) , Amylase (Am) , Hemopexin ( Hp) , 6- Phosphogluconate dehydroge2 nase (6PGD) , Cell esterase(CEs) and Carbonic anhydrase (Ca) , which consisted of 3 , 2 , 5 , 5 , 2 , 2 and 3 alleles , respectively. A new variant was discovered at Ca locus. The allele frequencies at each locus were calcu2 lated and their precision degree and confidence were also estimated simultaneously. The other six loci , namely Prealbumin(Pa) , Esterase-D ( EsD) , Phosphohexose isomerase ( PHI) , Glucose-6-phosphate dehydrogenase ( G6PD) , Phosphoglucomutase( PGM) and Malate dehydrogenase (MDH) , were monomorphic. This paper revealed the rich blood protein polymorphisms in Diqing- Tibetan pig and indicated that the method was practi2 cable on population phylogenesis studies

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