The genotypes in the second intron and 3' UTR region of myogenin gene in 149 Jinhua pigs (line I, 109; line II, 15; line III, 25) were detected by PCR-RFLP method. The results showed that three genotypes (AA, AB and BB) in the PCR1-MspI-RFLP site were detected and their frequencies were 0.1544, 0.3826, 0.4631, respectively; MM and MN genotypes were found in PCR2-MspI-RFLP site and their frequencies were 0.9953 and 0.0047. The effect of MyoG gene on the reproductive traits was analyzed using SPSS software. Significant associations were found between MyoG locus and total number born (TNB) in first parity (P<0.05), and number born alive (NBA) in the second parity (P<0.05), but no significant associations existed in other parity combinations of TNB, NBA and litter weight birth (LWB) (P<0.05).
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