|
| Pollution characteristics and risk assessment of antibiotics in a family farm breeding environment in Tianjin |
| Received:June 19, 2020 |
| View Full Text View/Add Comment Download reader |
| KeyWord:family farm;antibiotics;livestock waste;soil;risk assessment |
| Author Name | Affiliation | E-mail | | RUAN Rong | College of Biotechnology and Food Science, Tianjin University of Commerce, Tianjin 300134, China | | | ZHANG Ke-qiang | Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin 300191, China | | | DU Lian-zhu | Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin 300191, China | | | DING Gong-yao | College of Resource and Enviroment, Northeast Agricultural University, Harbin 150030, China | | | WANG Su-ying | College of Biotechnology and Food Science, Tianjin University of Commerce, Tianjin 300134, China | wsying@tjcu.edu.cn | | ZHI Su-li | Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin 300191, China | zhisuli87@163.com |
|
| Hits: 1976 |
| Download times: 1583 |
| Abstract: |
| In this study, to understand the pollution characteristics of antibiotics in family farm breeding environments in rural areas of China, we selected 20 family farms in Jizhou District, Tianjin. The pollution characteristics of 37 types of veterinary antibiotics belonging to 4 classes of livestock and poultry waste, as well as their effects on the surrounding farmland soil, were analyzed by solid-phase extractionhigh performance liquid chromatography-mass-spectrometry(SPE-HPLC-MS). The results showed that four types of antibiotics were detected in various environmental media and that the detection rates were in the order of wastewater(0~80.0%) > manure(0~74.4%) > soil (0~35.0%). The detection rates for tetracycline antibiotics were higher than those for others. The mean value of the total concentration of antibiotics in pig manure(75.78 mg·kg-1)was 13.1 times and 291.4 times that of chicken manure(5.80 mg·kg-1)and cattle manure(0.26 mg·kg-1), respectively; the mean value of the total concentration of antibiotics in pig farm wastewater(549.85 μg·L-1)was 104.3 times that of the cattle farm wastewater(5.27 μg·L-1). Additionally, the antibiotic residues in different types of pig manure showed that the mean value of total concentration of antibiotics in fatting pig's manure(156.59 mg·kg-1) > the mean value of total concentration of antibiotics in piglet manure(49.38 mg·kg-1) > the mean value of total antibiotics concentration in sow manure(23.97 mg·kg-1). Research on the farmland soil shows that manure application is the main source of antibiotic pollution in the soil; the antibiotic soil pollution in the pig farm was the highest. The results show that antibiotic pollution in the family farm breeding environments is very common and residual levels of tetracycline antibiotics in all environmental media are the highest. Antibiotic residues pose ecological risks to the environment, which can be increased by the application of manure. Moreover, the risk of antibiotics in wastewater is higher than that in soil. |
|
|
|
