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These pigs were being raised in 2000 in a large animal confinement factory farm in southwest Wisconsin, where a manure management system was in use. Ethical vegetarians object to the living conditions for animals on factory farms and to the farms' severe negative impact on the environment.

Photo credit: U.S. Department of Agriculture Natural Resources Conservation Service

Vegetarians follow a plant-based diet; they do not eat meat, poultry, fish, or crustaceans. There are many different reasons why a person might choose to become a vegetarian. Some feel a diet without meat is the healthiest option; others practice a religion that does not allow them to eat meat. For many people worldwide, meat is unavailable for consumption because it is prohibitively expensive. The most common rationale for becoming ...

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