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Originally Posted by nwill23 I feed him royal canin so I’m not sure. |
My first comment: Royal Canin is good. I can pretty much guarantee that food did NOT cause this!
That is a really odd thing....his hair was missing down the whole back?? I do wonder if it is possibly thyroid. But, the fact that he clearly had an issue with that collar makes me think it is more than likely from that. When they lose hair, it often grows back dark like that...sometimes it changes to light again, but I have had some have black patches.
You might want to do a dermatology consult if his hair doesn't continue to grow back.