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Abstract
The future course of animal agriculture may be determined more by the ethics of animal use than by technology. What is the proper human-animal relationship? Views range from one extreme to another— from believing humans' unlimited rights over animals without constraint on their treatment of animals, to believing that animals are naturally entitled to the same rights as humans. Such differing ideologies cause controversy over such issues as genetic engineering of animals, using animals in laboratory research, confinement livestock production, using pesticides to kill insects, and even eating meat.