His issues may be simply stress related, being homed (rehomed) can be hard on them.
New foods or over- feeding can also cause digestive problems.
You could try adding some (couple of teaspoons or so - depending on his size) plain canned pumpkin to his meals, or plain yogurt or kefir may be helpful too.
New foods or over- feeding can also cause digestive problems.
You could try adding some (couple of teaspoons or so - depending on his size) plain canned pumpkin to his meals, or plain yogurt or kefir may be helpful too.