Some research suggests that the variety of chemicals and pathogens found in liquid manure can have serious health impacts, ranging from respiratory disease to potentially lethal antibiotic resistant infections. Opponents fear wider use of manure irrigation will increase the risk of human illnesses.
The Wisconsin Center for Investigative Journalism has reported the growth of the revolting practice of using water irrigation systems to squirt manure over farmland. So far, 14 of Wisconsin’s 258 dairy factory farms, known as concentrated animal feeding operations (CAFOs), are using the practice, which involves spraying fine mists of dung out of commercial sprinklers. Nearly all of North Carolina’s hog farms do likewise. The practice is also used in Iowa, Michigan, and other Midwestern farming states.
Some research suggests that the variety of chemicals and pathogens found in liquid manure can have serious health impacts, ranging from respiratory disease to potentially lethal antibiotic resistant infections. Opponents fear wider use of manure irrigation will increase the risk of human illnesses.
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