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- Title
Polymorphisms of the CAST gene in the Meishan and five other pig populations in China.
- Authors
Wang, Q. S.; Pan, Y. C.; Sun, L. B.; Meng, H.
- Abstract
The aim of the study was to characterize the polymorphism of the Calpastatin (CAST) gene identified with three restriction enzymes (TaqI, HinfI, MspI) in Meishan and five other pig populations, and to provide information on their potential in marker-assisted selection and conservation. Meishan pigs appeared to be monomorphic at loci CAST/HinfI and CAST/MspI. A high frequency of the favoured genotype, FF, in terms of meat quality was detected in Meishan pigs, a breed well known for high quality meat. However, the frequency of the genotype, FF, was very low in Sutai pigs, a breed developed from a Duroc (50%) x Meishan (50%) cross. This is probably partially due to the fact that genetic improvement in this breed was achieved through the use of traditional quantitative genetics. It is suggested that traditional selection techniques combined with the use of the polymorphisms discovered have an important potential to improve overall meat quality.
- Subjects
CHINA; GENETIC polymorphisms; CALPASTATIN; SWINE breeds; DNA restriction enzymes; QUANTITATIVE genetics
- Publication
South African Journal of Animal Science, 2007, Vol 37, Issue 1, p27
- ISSN
0375-1589
- Publication type
Article