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The Forms, Distribution, and Risk Assessment of Sulfonamide Antibiotics in the Manure–Soil–Vegetable System of Feedlot Livestock
Bulletin of Environmental Contamination and Toxicology ( IF 2.7 ) Pub Date : 2020-10-10 , DOI: 10.1007/s00128-020-03010-9
Caixia Jin , Shan Wei , Ruilian Sun , Wei Zou , Xingli Zhang , Qixing Zhou , Rui Liu , Liuqun Huang

Manure, soil, and vegetable samples were collected from different-sized livestock farms in Xinxiang, China. The residues of sulfadiazine, sulfamonomethoxine, and sulfamethoxazole were analyzed by high-performance liquid chromatography. The results indicated that the concentration ranges of the three total sulfonamides in manure, soil, and vegetables were 10.13–566.23 µg kg−1, 7.60–176.26 µg kg−1, and 0–32.70 µg kg−1, respectively. The mean concentrations were 219.71 µg kg−1, 70.73 µg kg−1, and 7.08 µg kg−1 for manure, soil, and vegetables, respectively. The mean concentrations in soil were lower than the ecotoxic effect trigger value (100 µg kg−1), indicating a low risk for organisms in soil. The concentrations of the three sulfonamides varied significantly in different types of vegetables and all were lower than the acceptable daily intake value (50 µg (kg day)−1). However, the potential ecotoxicity and danger to human and animal health via accumulation of the antibiotic in the food chain cannot be ignored.

更新日期:2020-10-11
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