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가축매몰지 및 인근 농경지의 축산용 잔류 항생제 모니터링
임정은 ( Jung Eun Lim ),아누쉬카라자팍샤 ( Anushka Upamali Rajapaksha ),정세희 ( Se Hee Jeong ),김성철 ( Sung Chul Kim ),김계훈 ( Kye Hoon Kim ),이상수 ( Sang Soo Lee ),옥용식 ( Yong Sik Ok ) 한국응용생명화학회 2014 Journal of Applied Biological Chemistry (J. Appl. Vol.57 No.3
In Korea, over 4, 700 animal carcass disposal siteswere installed until 2011 due to the outbreak of foot and mouthdisease. Due to the putrefaction of buried animals, the leachatecontaining veterinary antibiotics may release into surroundingenvironments. Antibiotic residues in the environment cause theformation of antibiotic resistance bacteria threatening human andecosystem health. This study reports the concentrations of fiveantibiotics, including tetracycline (TC), chlortetracycline (CTC), oxytetracycline (OTC), sulfamethazine (SMZ), and sulfamethoxazole(SMX), in soils from animal carcass disposal site and adjacentagricultural field. Concentrations of antibiotics at animal carcassdisposal sites (TC: 144.26-350.73 μg/kg, SMZ: 17.72-44.94 μg/kg) were higher than those at agricultural field (TC: 134.16-320.73 μg/kg, SMZ: 6.48-8.85 μg/kg) whereas the concentrationsof CTC, OTC, and SMX were below detection limit in both sites. Results showed that the antibiotics in animal carcass site mightleach to the soil and possibly contaminating the groundwater. Future studies will focus on the transfer of antibiotics residues intofood crops.