Welcome to YT. It's on a sad note, but we are all here to help in anyway we can, and to express our sympathy over your loss. Some of us have gone through this before, so we know your pain.
As for the poop eating problem, there are items on the market to give them that changes the smell of the poop so it's not so pleasant to them, and most times feeding a little pineapple every day works the same way. Just keep it up for a few months to break the habit.
Natural Stop Eating Poop Products at Only Natural Pet Store