It may take awhile for him to adjust to the new food since it is a LOT richer than the Ol' Roy. The probiotics are a good idea. Or you can try a spoonful of plain yogurt daily. That seemed to help my dogs a lot. If things don't get better after a few weeks, you should maybe try a different food to see how that works.
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Maggie (RIP), Ginger (RIP), Lilly (RIP), Bella (RIP), Saleen, Bailey, Bridget, Lucy |