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. 2018 Apr 26;13(4):e0196215. doi: 10.1371/journal.pone.0196215

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© 2018 Ma et al

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Fig 1 — (A) Neighbor-joining tree constructed using SNP data. (B) Principal component analysis. (C) Population structure analysis of the 331 chicken individuals, showing the distribution of the K = 5 genetic clusters. See material and method for the abbreviations of the breeds.