I agree, make sure your rats always have access to the oxbow
If he does not live with a friend then you need to get him a friend - perhaps a sibling.
If aany rats are older then 12 weeks then they will need to be gradually introduced - there are esytablished steps.
rats also need to be fed a variety of daily vegs and occasional treats such as berries, a piece of fruit, cooked whole grains such as real oatmeal, a few organic pumpkin seeds, etc
Please see our Reference Thread for info on intros, diet, nutrition, and the forbidden foods list REFERENCE Thread - Read Only