ABSTRACT. We analyzed 20 exons, with their intron-exon boundaries, of the bovine Flt-1 gene, using a strategy combining PCR amplification and single-strand conformational polymorphism analysis (PCR-SSCP), followed by nucleotide sequence analysis, in 675 cattle. We then looked for associations between polymorphisms and growth traits. Twelve novel SNPs (ss#184956516, ss#184956517, ss#184956518, ss#184956519, ss#251343993, ss#251343994, ss#251343995, ss#251343996, ss#251343997, ss#251343998, ss#251343999, and ss#251344000) were detected in the bovine Flt-1 gene in all three breeds. We observed no significant associations between these polymorphisms and birth weight, body weight and average daily gain during different growth periods (6, 12, 18, and 24 months old) (P > 0.05), or in body height, body length, heart girth, or height at the hip in Nanyang cattle breeds.
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