I don’t have any specifics to give you, but if your dog is happy and healthy, you’re probably doing ok. In my raw mixes organ meats end up being probably a third of the total meat portion of the dishes. In one recipe I use turkey organs, in another I use a combination of lamb tripe and chicken organs. It seems to be working well for me.
I think you could probably go by a rule of thumb of looking at any prey animal and try to gauge how much of the entire animal would muscle compared to bone and organ. In that case, your organ to meat ratio is probably fine, or a little light.
Again though, if your dog is doing well and your vet doesn’t think he’s missing some key piece of nutrition, you should probably feel comfortable continuing as you have.
Sorry I don’t have more specific direction for you.
