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. 2025 Oct 14;103:skaf286. doi: 10.1093/jas/skaf286

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© The Author(s) 2025. Published by Oxford University Press on behalf of the American Society of Animal Science.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 2. — Phenotypic Statistics of Vulva Traits in Different Pig Populations. (A) Chord diagram of the phenotypic sources of vulva traits in Large White pigs. The nodes at the top of the chord diagram represent the 3 vulva traits: vulva length (VL), vulva width (VW), and vulva angle scores (VAS). The nodes at the bottom represent the 3 Large White pig populations: PIC, Topigs, and Canadian. The width of the edges connecting the upper and lower nodes indicates the number of individuals for which each trait was collected in each population. A wider edge indicates a larger number of individuals. (B) Comparison of vulva length (VL, in cm), vulva width (VW, in cm), and vulva angle scores (VAS) among PIC, Topigs, and Canadian Large White pigs.