Hi! My dogs get a whole rabbit every Wednesday.
Heart is very rich, so I tend to give a little more bone on the days I feed heart. I don't seem to have the issue with chicken or turkey heart, but definitely with pork, beef, etc.
How tiny is he? Would you be able to give him a piece of heart and a something that is very high % of bone? Like part/all of a chicken neck, a chicken or duck foot, etc.
Sorry for the lack of posts, guys - I haven't had much variety lately. A lot of turkey, venison, and beef organs.