Apparently so, and so were his forebears. By the time dairy farming reached the backwater of Europe, known as Great Britain (or Britain if you are a KM writer even though no such place exists) six and half thousand years ago it was already long established in the rest of Neolithic Europe.
It seems the dairy farmers in the British Isles were fond of eating meat as well and thought nothing of slaughtering some of their herds for food. I bet "Adam" was fond of a good steak too.
For more see the item at the BBC News web site
http://news.bbc.co.uk/1/hi/sci/tech/2699547.stm
Thirdson