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. 2020 Jan 28;10:1391. doi: 10.3389/fgene.2019.01391

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Copyright © 2020 Zhao, Chen, Zhang, Xu, Lin, Li, Lin and Xie

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Principal component analysis of egg production. Principal component 1 (PC1) and principal component 2 (PC2) values comprised the X-axis and the Y-axis and were used to draw the scatter gram, and each dot represents one sample. Red points represent low-yield samples and blue points represent high-yield samples.