首先要有公鸭，其次，要candling鸭蛋，隔几天candle一遍，挑出没有受精的鸭蛋。Google it!

来源: 于 2024-05-07 19:30:20 [旧帖] [给我悄悄话] 本文已被阅读：次

You will need incubator. Or let the ducks to the job for you.