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. 2023 Jan 11;13:1092242. doi: 10.3389/fgene.2022.1092242

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Copyright © 2023 Kochish, Titov, Nikonov, Brazhnik, Vorobyov, Korenyuga, Myasnikova, Dolgorukova, Griffin and Romanov.

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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Analysis of the distribution of 13 breeds by early growth traits, including EW and BW of chicks at three ages, as generated in the Phantasus program (Zenkova et al., 2018). (A) PCA plot. X and Y-axes show principal component 1 (PC1) and principal component 2 (PC2) that explain 86.8% and 8.4% of the total variance, respectively. N = 13 data points (breeds). (B) Heatmap and hierarchical clustering tree using Euclidean distance-based similarity matrix. For clustering, matrix values (for a precomputed distance matrix) were applied as metrics (with the average linkage method option selected).