Meat Quality

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Prairie Swine Centre is an affiliate of the University of Saskatchewan


Prairie Swine Centre is grateful for the assistance of the George Morris Centre in developing the economics portion of Pork Insight.

Financial support for the Enterprise Model Project and Pork Insight has been provided by:



Author(s): B.P. Sullivan and M. Jafarikia
Publication Date: June 10, 2013
Reference: Advances in Pork Production, Volume 24, 2013
Country: Canada

Summary:

Genomics can help breeding for traits by improving accuracy, predicting traits earlier, and for heritable traits that cannot be evaluated in breeding animals – like pork quality. Genomics will allow the evaluation of pork quality with accuracy equivalent to carcass measurements, and allow this to be done shortly after piglet birth. Pork quality consists of heritable traits, so genomics will allow breeding animals to be identified early and set aside. A 60K SNP panel is available to test DNA in pigs and, by comparing traits between pigs with known panels, the genes involved for a specific trait can be found. This requires a very large sample size, so at this point expanding the database of meat quality traits, and using standardized measurements, is important. Current genomic tools are being developed using results from conducting 60K SNP panels and phenotypic measurements on 700 pigs, as well as an additional 700 parents and littermates. At the end of the study, the pigs were slaughtered and a complete meat quality analysis was done, and then markers effects were estimated for traits. The study provided a small, beginning database, which can be expanded and improved to give more accurate estimates. The development of genomics will allow more accurate selection of breeding animals for hard to predict traits like meat quality, and requires the expansion of the current database.

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