期刊
MEAT SCIENCE
卷 117, 期 -, 页码 44-49出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.meatsci.2016.02.021
关键词
Alleles; SNPs; CAPN1; CAST; MB; Meat color
资金
- Ministerio de Agricultura y Desarrollo Rural de la Republica de Colombia
- Instituto Interamericano de Cooperacion para la Agricultura (IICA)
- Asociacion Colombiana de Criadores de ganado Cebu (Asocebu)
- Fondo Nacional del Ganado (Fedegan)
- Universidad Nacional de Colombia e Instituto de Ciencia y Tecnologia de Alimentos (ICTA) [2007H7483-380]
The objective of this research was to determine the association of SNPs in the candidate genes Calpain (CAPN1), Calpastatin (CAST) and Myoglobin (MB) with colorimetric parameters (L *, a *, b *, C *, hue) in a F1 population (n = 164) obtained from crossing Bos taurus x Bos indicus and Bos indicus x Bos indicus. SNPs were analyzed using PCR-RFLP and SSCP. Colorimetric measurements were performed in the muscles Longissimus thoracis et lumborum (LTL) and Semitendinosus (ST) at 7, 14 and 21 days postmortem applying the methodology CIE L* a* b*. The CAST gene showed a significant effect on the b* and hue* parameters in both muscles. MB gene showed significant association with all colorimetric parameters in both LTL and ST muscles, except with b* parameter. The CAPN1 gene did not show any significant association. These results suggest an important role of genetics in meat color variation for cattle raised under the tropic conditions. (C) 2016 Elsevier Ltd. All rights reserved.
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