I have some questions. And they may be hard to understand so sorry. 1.) How long after I collect a fertile egg can it still be incubated? Could I keep an egg for about 3 days (non refridgerated) and then put it in the incubator and it still grow into a chick? 2.) After I put a fertile egg in the fridge, is it instantly "killed"? 3.) My hen was in the breeding pen 4 days ago. How long will her eggs be fertile?