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Researchers Alter Diet to Reduce Cows' Impacts on Air, Water Quality

By fine-tuning the feed  given to their cows, researchers at the Penn State University Experimental Farm are finding ways to reduce the amount of nitrogen pollution generated by the animals. The effort is aimed at reducing the nitrogen contamination in local waters, as well as Chesapeake Bay.

Altering livestock diet is an increasingly popular way to address agriculture-based pollution problems. Read about the Penn State cow diet research here.