New rules for feedlots.
D000383:Agriculture / Q000331:legislation & jurisprudence*; D000821:Animal Feed; D000818:Animals; D000829:Animals, Domestic; D006801:Humans; D008372:Manure; D011634:Public Health; D011640:Public Policy; D014481:United States; D014876:Water Pollution / Q000517:prevention & control*
D008372:Manure