Muscle trait

Association between DLK1 and IGF-I gene expression and meat quality in sheep

R. Su, Sun, W., Li, D., Wang, Q. Z., Lv, X. Y., Musa, H. H., Chen, L., Zhang, Y. F., and Wu, W. Z., Association between DLK1 and IGF-I gene expression and meat quality in sheep, vol. 13, pp. 10308-10319, 2014.

The aim of the present study was to detect delta-like 1 ho­molog (DLK1) and insulin-like growth factor-I (IGF-I) gene expression in the longissimus dorsi of Hu sheep at different growth stages and study the association between these genes and meat quality. The diameter and density of muscle fibers and tenderness of the longissimus dorsi were measured. Growth stage, but not sex, significantly affected DLK1 and IGF-I expression.

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