1. Boil duck eggs in boiling water for about 8 minutes, preferably no more than 8 minutes.

2. If the egg is cooked for more than 8 minutes, there will be a certain loss of nutrients. If it is boiled duck eggs in cold water, it will take about 15 minutes. In addition, if you want to eat half-cooked liquid egg yolk, boil it in boiling water for about 7 minutes and boil it in cold water for about 10 minutes.