Abstract
This study was performed to investigate the correlation between stereotyped behavior of the blue fox and single nucleotide polymorphisms (SNPs) of the DRD1 gene. We choose the DRD1 gene as a major gene for investigating the correlation of gene polymorphism and self-biting disease by means of direct sequencing. Part of the DRD1 gene exon of the blue fox was cloned; the length of the whole sequence was 864 bp. Four SNPs were detected and analyzed by the chi-square analysis; the results showed that the gene polymorphism of T206C in the DRD1 gene had a significant correlation with self-biting (P < 0.01). Therefore, marker-assistant selection on self-biting of blue foxes using these SNPs can be applied to select healthy individuals.
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