Thank you so muchI think I would leave him on the hay and the Fibafirst for a while. Maybe try different types of hay to stimulate his interest and thereby encouraging him to eat more. If he's losing weight I would try giving him a few extra Fibafirst. Also, if you say he tolerates stripping the bark from twigs, I would get some more of those to give him.
Then if you find his tummy is settling down over several days, I would try giving him very tiny amounts of dried forage, but only one type at once (so no mixes). Only after a period of his tummy settling down again, would I then try a different type. I think it's more important to get him to eat foods that he can tolerate at the moment, even if that means he's not having much variety.
Sending lots of vibes for the beautiful Atticus.
Funny you should suggest getting bags of single type things - I did that earlier on zooplus think the company was Jr farm? They had some single types in a bag so when they arrive I'll try exactly what you suggested
I've already tried dandelion which I got before was just a bag of that, but I ordered some more because that's always a favourite with the other two x
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