Bob H in NH,
40 lbs is about right for an antelope buck. The largest mule deer I've killed provided 80 to 85 lbs of meat. That is meat only, no bones, well trimmed. I don't leave much of anything on the carcass for the crows. My biggest deer last year (body and antlers) turned out 79 lbs of meat. Had a TON of fat on him though.