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. 2015 Jun 30;47(1):54. doi: 10.1186/s12711-015-0134-4

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© Xiang et al. 2015

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 4 — Density curves of genomic relationships between reference and validation populations for different imputation scenarios.(a) within-breed scenario for purebred Landrace and Yorkshire; (b) imputation of purebreds by using a combined Landrace and Yorkshire population; (c) the external-breed scenario for purebred Landrace (LLbyYY) and Yorkshire (YYbyLL) and (d) imputation of crossbreds by using either one purebred reference population (LYbyYY and LYbyLL) or a combined Landrace and Yorkshire population (LYbyLL + YY). All scenarios were under the imputation strategy of ‘5 K to 8 K’