The American food chain can be fascinating, as well as disgusting. There are happy, free-range chickens. There are also apparently a lot of very unhappy, caged chickens. The treatment of farm animals seems to vary quite a bit, and the economics of the food industry doesn't always account for the well-being of animals. However, the situation may be slowly changing as more humane techniques are developed, but until science figures out how to grow tasty meat in a petri dish
, we'll still have to kill animals if we're going to continue to eat them.
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