For the past two years, at an undisclosed location in the Upper Midwest, a large commercial egg farm has been probed with every tool of modern science. Researchers have collected data on feed consumed ...
Chickens stand in an enriched, or colony, cage system that gives them a darkened area for nesting at the JS West farm in 2011 in Atwater, Calif. For the past two years, at an undisclosed location in ...
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