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Genetic Differentiation among Commercial Lines of Laying-type Japanese Quail

Recently in Japan, approximately six million quails were primarily being reared for commercial egg production. It is believed that almost all commercial quails in the country became extinct during World War II, and that the present commercial gene pool was restored from the limited number of survivi... Full description

Journal Title: The Journal of Poultry Science 2019, Vol.56(1), pp.12-19
Main Author: Shimma, Kiyohito
Other Authors: Tadano, Ryo
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 1346-7395 ; DOI: 10.2141/jpsa.0170213
Link: https://jlc.jst.go.jp/DN/JLC/20118611417?from=PrimoCentral
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recordid: jstageDN/JLC/20118611417
title: Genetic Differentiation among Commercial Lines of Laying-type Japanese Quail
format: Article
creator:
  • Shimma, Kiyohito
  • Tadano, Ryo
subjects:
  • Genetic Differentiation
  • Genetic Diversity
  • Japanese Quail
  • Microsatellites
ispartof: The Journal of Poultry Science, 2019, Vol.56(1), pp.12-19
description: Recently in Japan, approximately six million quails were primarily being reared for commercial egg production. It is believed that almost all commercial quails in the country became extinct during World War II, and that the present commercial gene pool was restored from the limited number of surviving birds. The present study evaluates the genetic diversity within and differentiation between 12 laying-type Japanese quail lines on the basis of 45 microsatellite genotypes. The mean number of alleles per locus and the expected heterozygosity within a quail line were 5.22–5.69 and 0.601–0.618, respectively. These results showed that laying-type quail lines in the present study exhibited a higher degree of genetic diversity than experimental quail lines in a previous study. Pairwise genetic differentiations (FST) between lines were significant but weak (FST=0.0028–0.0254; 57.6%), and no significant differentiations were found between the remainder. This was also confirmed by genetic clustering analyses, in which individuals did not form independent clusters consistent with their line origins. The results of the present study indicate relatively high genetic diversity within and no clear genetic differentiation between laying-type quail lines. Absence of genetic differentiation may reflect the breeding history of laying-type quails.
language: eng
source:
identifier: ISSN: 1346-7395 ; DOI: 10.2141/jpsa.0170213
fulltext: fulltext
issn:
  • 1346-7395
  • 13467395
url: Link


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