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Associations between the prolactin receptor gene polymorphism and reproductive traits of boars

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Abstract

The prolactin receptor gene (PRLR), located on chromosome 16 in pigs, is a candidate gene for reproductive traits. The experiment was aimed to detect the DNA mutations in this gene and to find probable relations between the genotype and some reproductive traits in boars. The polymorphism in thePRLR gene was identified by PCR-RFLP method using specific primers and the restriction enzymeAluI. In total 229 boars of various breeds were genotyped. The frequency of allele A was estimated at 0.62 and allele B at 0.38. Genotype AA was found at a frequency of 0.45, AB at 0.35 and BB at 0.20. We found associations betweenPRLR genotype and ejaculate volume, sperm concentration, percentage of live sperm, and number of live sperm in the ejaculate (P < 0.01).

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Correspondence to Marek Kmieć.

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Kmieć, M., Terman, A. Associations between the prolactin receptor gene polymorphism and reproductive traits of boars. J Appl Genet 47, 139–141 (2006). https://doi.org/10.1007/BF03194613

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Key words

  • PCR-RFLP
  • prolactin receptor gene
  • Sus scrofa
  • reproduction