is this hutch ok for two females ... ps i only have dirt in my backyard so i have to put a lot of hay at the bottom is this bad i love all my 4 piggys and do what whats best for then. i have built a very large/strong gate to keep my dogs / predators away and I'm also in the process of building a roof over their hutches ... is the dirt bad for them i do make sure there always lots of hay on top of it /they also have upstairs and do use it please give me any advise or could you show pics/explaine hows your outdoor hutch is and whats on the bottom!