Eating troubles

It could well be stress.

You might try adding some raw meat to it, and I feel safe in saying that whatever he was eating at the shelter wasn't terribly good for him, plus being there wasn't a good experience, so having the same food isn't likely to be much comfort to him.

I would guess that not eating is probably due to stress. He has had a lot happening recently and his appetite is probably suffering for it. I would stop mixing in peanut butter because what you don't want to do is develop 'finicky' eating behaviour - "I won't eat it until mom mixes something yummy in it!"

How long have you had him and how long has he not been eating?

This is what I would do. Give him his dinner or breakfast, and leave it in his bowl for 10 minutes. If by the end of the 10 minutes he hasn't touched it, pick it up and put it away. Repeat again at dinner and all the following meals. Unless he has a health issue (which the vet cleared him for), he won't starve himself. The idea behind this method is that we don't create a picky eater. His dinner is there, and he can eat it if he would like. Don't feel bad if he doesn't eat it, he CHOSE not to eat it. I can almost guarantee you he will come around and figure out the schedule. The idea here is that we are giving him a predictable feeding pattern (dogs generally like regularity and routines in their lives) and I suspect that with time he will settle in and begin eating with more enthusiasm.

Also, can I ask what you are feeding him? Typically shelters can't afford to feed good food, so I would look into the brand you bought. If you would like, we can suggest some good quality foods for you

I am going to argue against doing this. Raw meat and kibble should never be mixed because dogs digest them at different rates. It can be dangerous to mix the two in the same meal without sufficient time to digest one or the other beforehand.

I am the first person to promote a raw diet (heck, I feed it!) but definitely not kibble and raw together, at least not the the same meal and without about 7 or 8 hours between.

"Actually the claim that raw and kibble digest at different rates is a completely unfounded myth. Think about it - does any raw fed dog you know go outside and poop every 4-6 hours? Also, even raw fed dogs can throw up partially undigested food after 8-10 hours, and regurgitating occurs from the stomach, not from the intestines. Elimination is a continuous process, sort of like a conveyor belt. Try fasting a dog and see how long it takes before stools become significantly smaller because there's nothing in the intestinal tract anymore that needs to be processed.

It is true that some dogs do not do well when they are fed kibble and raw in the same meal, but it has nothing to do with different digestion rates of raw and kibble, and it also doesn't apply to every dog out there.

I know of enough dogs who are fed a mixed diet and doing wonderfully on it."Posted By Mordy on the "Raw and Kibble" thread #8 post.

When in doubt, I've always found it best to go with Mordy's recommends