Ok so my beard layed her first clutch of 17 this past weekend I have the hovabator 1602n with fan at 84-86f and 75-80 humidity some people told me I need air holes in the egg bins and some told me I don't and would have to (burp) the bins once a month I'm using perlite n vermiculite please give me any info I would need to know or if I'm doing anything wrong I currently don't have holes in my egg bins