THE FATE AND EFFECTS OF SELECTED VETERINARY ANTIBIOTICS ON ANAEROBIC SWINE LAGOONS
Recent research indicates that the presence of antibiotics in wastewater and the environment may lead to antibiotic resistance in pathogenic bacteria. Field studies have confirmed the presence of a variety of antibiotics in ground and surface waters, sediments and soils, and waste from confined animal feed operations (CAFOs). To date the highest antibiotic levels in these sources have been found in CAFO waste. Anaerobic lagoons are one of the more common treatment methods for CAFO wastes based upon costs, maintenance requirements, and ease of operation. The purpose of our investigation was to assess and model the fate and effects of antibiotics in CAFO lagoons including sorption, hydrolysis, photolysis, volatilization, and biodegradation. Anaerobic microcosm studies demonstrated that all antibiotic classes impact the waste stabilization process in anaerobic lagoons.
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Document Type: Research Article
Publication date: 2004-01-01
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