Application of DNA markers for discrimination between Japanese and Australian Wagyu beef.

The objective of this study was to discriminate between original Japanese and Australian Wagyu beef, which is sold in the Singapore markets, using six previously developed DNA markers. To effectively evaluate the six markers for breed identification, the probability of identification as Australian Wagyu beef was calculated based on the estimated allele frequencies using 130 Australian Wagyu individuals. The combined use of six markers would allow the discrimination of Australian Wagyu beef with an estimated probability of 0.776. The probability to discriminate Australian Wagyu from Japanese Wagyu beef was sufficiently high. In addition, Australian Wagyu has maternal mitochondrial DNA of Bos indicus cattle with moderate high frequency of 0.377. The DNA marker system could also be used as a deterrent force against false sales, and contribute to the reduction and prevention of incorrect or falsified labeling of beef. © 2017 Japanese Society of Animal Science.

Citation

Fuki Kawaguchi, Yuto Kitamura, Ryuji Nakajima, Masayoshi Takahashi, Hiroaki Goto, Yuichi Washida, Yoshikazu Yamamoto, Shinji Sasazaki, Hideyuki Mannen. Application of DNA markers for discrimination between Japanese and Australian Wagyu beef. Animal science journal = Nihon chikusan Gakkaiho. 2017 Oct 30

PMID: 29082575

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