I do not know if they do or not. This discussion has motivated me to look into this so I do know. I suspect that it is as I think it is. I would love to try sheep's milk. I have never had it. I have never heard of it being available anywhere near me. I had plans to try sheep. I have a fascination with the breeds, history, and different species. It is not in my cards now though. I still consider a couple of Nigerians, but I doubt it would happen.