How much food does he get in a day and how many meals do you give him a day? Maybe if you divide his food into more smaller meals throughout the day it might help. Also I’ve read that you should add water to his kibble so that the expansion in the food is before he eats it, not in his stomach so much. Does he eat very fast? I mean does he gulp his food down without bothering to chew because if that is also a problem you can get one of those bowls that is meant to slow the eating process down. He may be eating too much too quickly.
