A new conservation theory for animal genetic resources, i.e. systematic conservation theory, is introduced. It breaks the limitations of traditional random conservation theory and divert all breeds conservation to all special characteristics conservation for a species. The conservation scheme may be optimally decided by system engineering on a whole species in a local region or the globe in order to decrease repetitive useless conservation of all breeds. It may overcome the conflict of urgency for animal genetic resources conservation with inability to conserve all breeds in a local region or a country, especially in a developing country. A preliminary practicable conservation scheme of Chinese indigenous pig breeds is also suggested according to the systematic conservation theory with goal programming. However, there are ohly 17 quantitative traits of 47 pig breeds used for decision analysis, this scheme may be valuable for further study but not the final complete scheme.
Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume 21. Gene mapping; polymorphisms; disease genetic markers; marker assisted selection; gene expression; transgenes; non-convention, , 560–563, 1994
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