After ovulation, spermiation or natural degeneration, the volume of gonad was smaller in stage VI.

在排卵期、精子化期或自然退化期，性腺体积变小。

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After ovulation, spermiation or natural degeneration, the volume of gonad was smaller in stage VI.

在排卵期、精子化期或自然退化期，性腺体积变小。

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