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Livestock wastes from family-operated farms are potential important sources of potentially toxic elements, antibiotics, and estrogens in rural areas in North China

文献类型： 外文期刊

作者： Li, Yang 1 ; Li, Xinyu 1 ; Ma, Xupu 1 ; Qiu, Tianlei 2 ; Fu, Xincheng 3 ; Ma, Zhihong 1 ; Ping, Hua 1 ; Li, Cheng 1 ;

作者机构： 1.Beijing Acad Agr & Forestry Sci, Inst Qual Stand & Testing Technol, Beijing 100097, Peoples R China

2.Beijing Acad Agr & Forestry Sci, Inst Biotechnol, Beijing 100097, Peoples R China

3.Langfang Agr & Rural Bur Hebei Prov, Langfang 065000, Hebei, Peoples R China

4.Beijing Municipal Key Lab Agr Environm Monitoring, Beijing 100097, Peoples R China

关键词： Family-operated farms; Potentially toxic elements (PTEs); Antibiotics; Estrogens; Seasonal variation; Risk assessment

期刊名称：ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH （ 影响因子：5.8； 五年影响因子：5.4 ）

ISSN： 0944-1344

年卷期： 2023 年

页码：

收录情况： SCI

摘要： The open-air storage and disposal of livestock waste from family-operated livestock farms can be a potential health threat to rural residents. In this study, the occurrence and seasonal distribution of 8 potentially toxic elements, 24 antibiotics, and 4 estrogens were investigated in 44 waste samples from 11 rural farms in North China. The results showed that these micropollutants were ubiquitous in livestock waste, with concentration ranges of 238.9-4555 mg/kg for potentially toxic elements, not detected (ND) to 286,672 mu g/kg for antibiotics and ND to 229.5 mu g/kg for estrogens. The pollutants in animal wastes showed seasonal variation. Since these wastes are directly applicable to nearby farmland without treatment, the risks those wastes pose to farmland soils were also evaluated. Risk assessment results showed that Zn, Cd, Hg, FF and DC in swine manures were at high risk, while total estrogens in chicken and dairy cattle manures were at high risk. The results will provide important data for the regulation of animal wastes produced by small-scale livestock farms in rural areas of China.

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