J. Anim Sci.
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J. Anim Sci. 2006. 84:2601-2608. doi:10.2527/jas.2005-641
© 2006 American Society of Animal Science
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ANIMAL GENETICS

Comparison of Vietnamese and European pig breeds using microsatellites1

N. T. D. Thuy*,{dagger}, E. Melchinger-Wild*, A. W. Kuss*,2, N. V. Cuong{dagger}, H. Bartenschlager* and H. Geldermann*,3

* University of Hohenheim, Department of Animal Breeding and Biotechnology, Garbenstr. 17, D-70599 Stuttgart, Germany; and and {dagger} Institute of Biotechnology (IBT), National Center for Natural Science & Technology, 18-Hoang Quoc Viet Rd, Cau Giay, Hanoi, Vietnam

3 Corresponding author: hermann.geldermann{at}t-online.de

This study characterized autochthonous pig breeds of Vietnam and compared them with breeds from other regions. A total of 343 animals were considered from 5 indigenous pig breeds of Vietnam (Muong Khuong, Co, Meo, Tap Na, and Mong Cai), 2 exotic breeds kept in Vietnam (Landrace and Yorkshire), 3 European commercial breeds (German Land-race, Piétrain, and Large White), the Chinese breed Meishan, and the European Wild Boar. Each individual was genotyped for 20 selected polymorphic microsatellite loci. The Vietnamese autochthonous breeds showed higher degrees of polymorphism, allelic diversity, and heterozygosity than the other pig breeds. Also, large genetic diversity was observed across the area of distribution, with village-specific subpopulations, which led to significant inbreeding coefficients. As expected, genetic distances showed large differences among European-based, Chinese, and Vietnamese indigenous breeds and reflected the geographical distribution of breeds. In comparison with the European breeds, the Vietnamese indigenous pig breeds harbored a considerable amount of genetic diversity and, therefore, will be of significance for livestock bioconservation.

Key Words: genetic distance • genetic diversity • microsatellite • pig breed






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