Cheap meat is more likely to take a hit if we cut farm subsidies; feed crops are the biggest beneficiary (mostly corn).
The data on wikipedia[1] is from 2004, but I haven't heard of any major reforms since then. From greatest to least, subsidies went to: corn, cotton, wheat, rice, soybeans, dairy, peanuts, sugar, minor oilseeds, tobacco, wool and mohair, vegetable oil products, and honey. Anything else is in the remaining 2%.
The data on wikipedia[1] is from 2004, but I haven't heard of any major reforms since then. From greatest to least, subsidies went to: corn, cotton, wheat, rice, soybeans, dairy, peanuts, sugar, minor oilseeds, tobacco, wool and mohair, vegetable oil products, and honey. Anything else is in the remaining 2%.
[1] https://en.wikipedia.org/wiki/Agricultural_subsidy#United_St...
EDIT: Note that sugar and onward are individually <2% (smaller than the "anything else" bucket)