I think the idea that food animals eat grain that could be more usefully be given directly to humans goes right back to the early environmental movement and Diet for a Small Planet. It's one of the major arguments for vegetarianism on the environmental side.
Animal rights people have picked this up as a sub-argument, but they often downplay it because of food for non-meat-producing pets.
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timeasmymeasure
wasting grain on meat animals
Date: 2009-06-09 07:31 pm (UTC)Animal rights people have picked this up as a sub-argument, but they often downplay it because of food for non-meat-producing pets.