Abstract
Sex determination of beef is important to meet the rules of the Commission Regulation (EC) 765/2002 that qualify for export refunds. A SYBR Green sex identification assay based on melting curve analysis of PCR amplicons from the amelogenin locus ( AMELX and AMELY) was developed. The PCR amplicons of 130/130 and 130/67 base pairs produced from female and male beef, respectively, are easily distinguished by both melting curve analysis and gel electrophoresis. Results from the melting curve analysis of amplicons are ready in less than three minutes, and requires no additional work in addition to the PCR setup. Applicability of the sex determination assay was studied by analysis of 12 unknown beef samples and the results were compared to an accredited method based on gel electrophoresis. In addition, six different cattle breeds were examined. All test results were correct in respect to sex.
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