张梦涛;郑溪;曹飞;袁守军;

• 1:合肥工业大学土木与水利工程学院
• 2:南京大学污染控制与资源化国家重点实验室

摘要(Abstract)：

[目的]研究安徽省奶牛养殖场粪便中甾体雌激素的污染特征。[方法]利用气相色谱-质谱联用测定了安徽省6个规模化奶牛养殖场奶牛粪便及养殖场周边水样和粪便堆积场土样中雌激素的种类和浓度。[结果]奶牛粪便中的甾体雌激素主要以雌酮(E1)、17α-雌二醇(17α-E2)和17β-雌二醇(17β-E2)3种形式存在,其中17α-E2的含量最高。不同生理时期奶牛粪便中雌激素排放总量分别为青年期奶牛432.90μg/kg,泌乳期奶牛为1 114.51μg/kg,干奶期奶牛1 540.13μg/kg,不同养殖场中奶牛的雌激素排放总量及E1、17α-E2和17β-E2所占比例无明显差异。奶牛日平均雌激素排放17β-E2当量值为931.51μg/(头·d),以此推算可知安徽省奶牛养殖场通过粪便排放的年雌激素当量为23.24 kg/a。奶牛养殖场附近水塘水样及粪便堆积场土样中17β-E2当量总浓度分别为1 252.02ng/L和1 424.21μg/kg,表明粪便不加任何处理堆置存放存在潜在的环境风险。[结论]该研究可为安徽省奶牛养殖场的科学管理及甾体雌激素的有效去除提供技术参考。

关键词(KeyWords)： 甾体雌激素;气相色谱-质谱;规模化奶牛养殖场;污染特征;环境风险

Abstract:

Keywords:

基金项目(Foundation): 水体污染控制与治理科技重大专项(2012ZX07102-003);; 国家自然科学基金项目(51108149,41130206);; 南京大学污染控制与资源化研究国家重点实验室开放课题项目(PCRRF11014)

作者(Author): 张梦涛;郑溪;曹飞;袁守军;

Email:

DOI: 10.13989/j.cnki.0517-6611.2015.16.092

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