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. 2020 Apr 11;66(4):331–340. doi: 10.1262/jrd.2019-110

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©2020 Society for Reproduction and Development

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial No Derivatives (by-nc-nd) License. (CC-BY-NC-ND 4.0: https://creativecommons.org/licenses/by-nc-nd/4.0/)

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Fig. 1. — Descriptive summary of avian follicles. F1, F2, F3, F4, F5, F6, F7, and F8 represent the first, second, third, fourth, fifth, sixth, seventh, and eighth large yellow follicles, respectively. Small yellow follicle (SYF) and large white follicle (LWF) represent small yellow follicles with diameter 6–8 mm and large white follicles with diameter < 6 mm, respectively.