Foreign meat identification by DNA breed assignment for the Chinese market
文献类型: 外文期刊
第一作者: Rogberg-Munoz, A.
作者: Rogberg-Munoz, A.;Ripoli, M. V.;Carino, M. H.;Castillo, N.;Villegas Castagnaso, E. E.;Liron, J. P.;Morales Durand, H. F.;Peral-Garcia, P.;Giovambattista, G.;Wei, S.;Guo, B. L.;Wei, Y. M.;Melucci, L.;Villarreal, E.
作者机构:
关键词: Traceability;Breed;DNA;China;Meat;Microsatellites
期刊名称:MEAT SCIENCE ( 影响因子:5.209; 五年影响因子:5.305 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: Methods for individual identification are usually employed for traceability, whereas breed identification is useful to detect commercial frauds. In this study, Chinese Yellow Cattle (CYC) samples plus data from six Bos taurus breeds, two Bos indicus breeds, and one composite breed were used to develop an allocation test based on 22 microsatellites. The test allowed discriminating all foreign breeds from the CYC, although some CYC individuals were wrongly allocated as Limousin or Holstein, probably due to the recent introduction of these breeds into China. In addition, CYC evidenced a previously reported Zebu dine (south-north) and a possible structure within the B. taurus component that should be confirmed. An independent test performed with meat samples of unknown breed origin from Argentina allocated 92% of them to either Angus, Hereford, or their crossbreed, but none was identified as CYC. We conclude that the test is a suitable tool to certify meat of foreign breed origin and to detect adulterations of CYC beef labeled as imported meat
分类号: TS25
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