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Originally Posted by siva_chair
Yes, we could probably use far less land for cattle grazing and probably produce more, but animal rights groups would be on our asses like a bum on a ham sandwich. You do realize lots of Eastern countries have poor animal rights, not to mention human rights?
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I think we've got them packed in as tightly as we can. The real issue here is meat production itself. Meat consumption parallels economic development, and not necessarily health.
Meat is terribly inefficient; cattle use 70% of US grain and 50% of US water. It'll take 8 pounds of grain to produce one pound of beef. An acre of spinach produces 26 times as much protein as an acre of grazing cattle. Etc.
It's much less resource intensive to eat non meat products, that's why developing countries do it.