지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
이용수
초록· 키워드
오류제보하기
A portion of the veterinary antibiotics administrated to livestock are generally excreted via feces and urine. Tetracyclines and tylosin have a greater priority of environmental risk in Korea based on the consumption and the potential to reach soil and water environment. The antibiotics in animal byproducts need to be reduced or eliminated before they are applied to agricultural lands through composting or other agricultural practices. The objective of the study was to investigate the effect of aeration on degradation of antibiotics during storage of swine slurry. Two antibiotics, tetracycline (TC) and tylosin (TYL), were detected from the swine slurry used in the study. One hour aeration per day for 62 days reduced TC concentration from 199 to 43 ng L<SUP>-1</SUP> compared with 104 ng L<SUP>-1</SUP> without aeration. Aeration for three and six hours decreased TC level to 30 and 23 ng L<SUP>-1</SUP>, respectively. The dissipation of TC was fitted with a first-order kinetic model. Aeration for 1, 3, and 6 hours every day increased the first-order rate constant, k, from 0.011 day<SUP>-1</SUP> under anaerobic condition to 0.022, 0.026, and 0.037 day<SUP>-1</SUP>, respectively. For TYL, aeration during storage of swine slurry enhanced k from 0.0074 day<SUP>-1</SUP> to 0.014, 0.018, and 0.031 day<SUP>-1</SUP> for 1, 3, and 6 hours per day, respectively. For liquid swine slurry, biotic processes can be more effective for dissipation of antibiotics than abiotic processes because of low organic matter and high water content. These results suggest that aeration can increase the degradation rate of antibiotics during storage of swine slurry.
목차
ABSTRACT
Introduction
Materials and Methods
Results and Discussion
Conclusions
References
참고문헌 (30)
참고문헌 신청
Aga, D.S., R. Goldfish, and R. Kulshrestha. 2003. Application of ELISA in determining the fate of tetracyclines in land-applied livestock wastes. Analyst. 128:658-662.
Animal and Plant Quarantine Agency (APQA). 2013. Consumption of veterinary antibiotics in Korea. http://www.qia.go.kr/viewwebQiaCom.do?id=34070&type=6_18_1bdsm
Arikan, O.A., W. Mulbry, and C. Rice. 2009a. Management of antibiotic residues from agricultural sources: Use of composing to reduce chlortetracycline residues in beef manure from treated animals. J. Hazard. Mater. 164:483-489.
Arikan, O.A., W. Mulbry, and C. Rice. 2016. The effect of composting on the persistence of four ionophores in dairy manure and poultry litter. Waste Mange. 54:110-117.
Arikan, O.A., W. Mulbry, D. Ingram, and P. Millner. 2009b. Minimally managed composting of beef manure at the pilot scale: Effect of manure pile construction on pile temperature profiles and on the fate of oxytetracycline and chlortetracycline. Bioresour. Technol. 100:4447-4453.
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UCI(KEPA) : I410-ECN-0101-2018-523-001805788