Government subsidies don't actually lower economic prices. They just change who pays. Removing those subsidies would double most meat prices which means there far less 'cheap'.

There is increasing pressure to lower farming subsides in most of the world in part because food costs have already fallen so much. 1935 1/lb chicken $5.07 (inflation adj), 2011 1lb chicken: $1.34 But, also from a wide range of more politically charged issues.