Their are many issues to take care off during the brooding period but unfortunately many (Especially the newbies) only do think of maintaining the temperature, i do think that maybe its because of the capital investment which is often driven by the need for fast paybacks with investment decisions which makes them not to optimize proper design and other requirements. We need to take care of other issues too.
The following are the things you should always think when starting to build your Brooding House.
B. Air quality