... as pets. I live in michigan, go to MSU, and have been trying to buy a pair of rats from Deer Creek Rattery in Northville for months. Her website lists three current litters ( http://deer-creek.us/currentlitters.html ), all of which should have been weaned in march. It clearly states she sells the ratties when they are 6 weeks old, but will hold them to 8 weeks if you put down a deposit . They ...