To recognize molecular markers of slaughter performance of quail, SNP in control regions of cytogenin gene (MyoG) 5’ in French giant quail, and Savimit quailwas detected by PCR-SSCP method in this study. Moreover, correlations of control regions of MyoG 5’ with slaughter performance of quail were analyzed. Results demonstrated that: In meat quail, three genotypes (AA, BB and AB) were detected at locus A in the control region of MyoG 5’. For locus A, BB frequency of French giant quail and Savimit quail was the highest (0.531 and 0.750). For locus B, three genotypes (AA, AB and BB) were detected in Savimit quail, but only AA was detected in French giant quail. The BB frequency of Savimit quail was the highest, reaching 0.389. Locus A showed a significant correlation with liver weight of meat quails(P<0.05), while locus B presented significant correlations with body weight, carcass weight, carcass net weight, liver weight, breast muscle weight and leg muscle weight(P<0.05). Loci A and B in the control region of MyoG 5’ can be used as the molecular marker of slaughter performance of meat quails during marker assisted selection.
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