大概是文革后期引进的。生物学上说来杭鸡生蛋多。只是鸡蛋要比普通蛋小一点。

来源: chufang 于 2026-02-05 17:19:49 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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