Investigation of native pig genetic resources and sampling in Son La and Dien Bien provinces

From October 20 to November 6, 2016, the project team conducted a survey and collection of biological samples of native pig breeds in Son La and Dien Bien provinces where are thought to have more purer and native pigs kept by the local people. In Dien Bien province, the representative of project managment unit joined the field team to select and collect samples and to conduct field monitoring and field data collection in 4 districts.

Similar to other provinces, in Son La and Dien Bien, the exotic breeds, hybrid pigs, or high-yielding domestic pig breeds are commonly raised in areas with favorable economic and transportation conditions while the native pigs are only popular in mountainous, remote areas. It is because that other pig species are difficult to adapt to natural, social, economic and social conditions in these areas. Popular home areas of the native pig included Quynh Nhai, Mai Son, Thuan Chau, Sop Co, Muong La of Son La province. In Dien Bien province, it is found that many indigenous breeding pigs are still existing in different districts including Dien Bien Dong, Muong Cha, Muong Ang, Muong Lay, Muong Nhe, Nam Pu and Tua Chua. Based on geographic features and ethnographic characteristics of livestock keepers, three priority areas for collecting include Dien Bien Dong; Muong Cha-Muong Nhe and Tua Chua-Muong Ang were sellected. As reflected by the professional organiztions as well as having information provided by the program of conservation of livestock genetic resource, there are 14-breast black breed pigs with good reproduction, high lean, popular in Muong Lay Town. The research team also conducted a survey and sampling of this pig breed. However, most of the pig households are firstly concentrated in a Thai village in Na Lay commune. Through the phenotypic assessment, it may be the crossbred between the local and exotic pig population that has been selected and conserved by farmers for many years.

After 3 weeks of field research and collection, 130 biological samples and individual questionnaires were collected from 6 districts in 2 provinces. Up to the present time, the project has collected 1516 samples of native pig breeds from 15 provinces in the whole country.

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