For most of the incubation period, you want a humidity of 45% to 50% inside the incubator. If there isn’t enough moisture, the egg gets too dry, and the chick can die from dehydration.Ĭhoose an egg incubator with humidity controls you can adjust based on how humid your location is. If there’s too much moisture inside the egg, the air sac’s membrane can become too thick and make it tough for the chick to breathe. Air can make its way inside the egg in its place, expanding the air sac inside until the chick can breathe. Moisture escapes fairly easily from eggs because their shells are incredibly porous.
Some can do it automatically, but others require you to manually shut it off. If you opt for an incubator with an automatic egg turner, make sure it turns the eggs during the beginning of the incubation period but shuts off the turning feature the last few days before they hatch. In the last three or four days of the incubation period, eggs should no longer be turned, since the chick might be injured at that point if it’s moved around the egg too vigorously. By turning the eggs, all parts of the embryo receive adequate oxygen. While they’re incubating, eggs must be turned regularly to prevent the developing chick from sticking to the bottom of the shell and not receiving enough oxygen to develop properly. They may break down over time but are easy to replace. Most incubators feature metal or ceramic heating elements. These materials are non-toxic and easy to clean, which makes them good materials for an incubator. Egg incubators are typically made of durable ABS plastic or polypropylene.
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