nest

I am new to breading rabbits (and this forum) and need advice. One of my does (a meat mutt with some giant breed mix) failed to birth a litter after being bred. This is her first breeding at about 1 y.o. She seemed to be "acting pregnant" (gained weight, flopped on her side when resting, made a...

I live in Idaho, and it is just below freezing at night now. I raise meat rabbits outdoors in a greenhouse with two layers of tarp as a roof. It keeps it warm but not WARM, you know? At least the water bottles are not freezing at all when it is down to 28 or 30*... My nest box is a 1/2" thick...