Try leaving the door to his cage open and let your rabbit come out on his own. Be sure to close the door behind him. Let your rabbit sit on the floor next to you, in your territory, and gently stroke him. Wait before picking your rabbit up until he is comfortable with the attention you are giving him. Bare patches of hair can be attributed to a lack of amino acids or fatty acids.
Symptoms are loss of hair and dry scaly skin.
This is easily treated with a daily dose of corn oil in their diet. You can mix this in with their pellets or try mixing with their water, making sure to change the water daily. Training - Rat Rats are considered very intelligent and can be easily trained. They can be taught to sit on your shoulder and even do tricks. A food reward and repetition is the best way to train your rat.