Hi I own a 3/4 month old mini lop rabbit named Barney and he is kept in this hutch http://cgi.ebay.co.uk/Large-Poultry-Chicken-House-Run-Coop-Rabbit-Hutch-009_W0QQitemZ260427759486QQcmdZViewItemQQptZUK_Pet_Supplies_Poultry?hash=item3ca2b43f7e&_trksid=p3286.c0.m14but at night time at around 10pm i shut the door (but re-open at 7am)so he doesnt have acess to the run this is due to the cold weather, rain and darkness as well as next doors cats which i worry could pose a threat but am I doing the right thing please help inside he has water and food hay toys a carrot sometimes and a litter box