Q1: How to choose Fertilized Eggs before hatching?
A1：1. The eggs must be fresh. Generally, the fertilized eggs within 10 days after laying. And do not put them into the refrigerator or wash. 2. Take out the rotation shaft and place the eggs in the hatching grid after 18-day hatching period.

Q2: What are the precautions for hatching?
A2：1. Put machine into foam if environment temperature bellowed 20°C/68°F for better warm keeping. 2. Do not open the lid frequently during incubation, it'll make the unbroken eggshell dry out and difficult to be broken.
Q3: What are the precautions for eggs candling?
A3：1. Dim the room lighting for easy observation. Please take care to avoid excessive vibration or rotation during candling the eggs, which may cause death of embryos due to stress. 2. Due to the room temperature is lower than the incubator temperature, please complete the operation of candling eggs as soon as possible.