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首页> 外文期刊>Environmental toxicology and chemistry >DIETARY EXPOSURE OF MINK (MUSTELA VISON) TO FISH FROM THE UPPER HUDSON RIVER, NEW YORK, USA: EFFECTS ON REPRODUCTION AND OFFSPRING GROWTH AND MORTALITY
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DIETARY EXPOSURE OF MINK (MUSTELA VISON) TO FISH FROM THE UPPER HUDSON RIVER, NEW YORK, USA: EFFECTS ON REPRODUCTION AND OFFSPRING GROWTH AND MORTALITY

机译：饮食中从美国纽约州上哈德逊河上捕食的水貂（穆斯特拉·维森）对鱼类的影响：对繁殖和生殖生长和死亡率的影响

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摘要

Abstract-The effects of feeding farm-raised mink (Mustela vison) diets containing polychlorinated biphenyl (PCB)-contaminated fish from the upper Hudson River (New York, USA) on adult reproductive performance and kit growth and mortality were evaluated. Diets contained 2.5 to 20% Hudson River fish, providing 0.72 to 6.1 μg ∑PCBs/g feed (4.8-38 pg toxic equivalents [TEQwho 2005]/g feed). The percentage of stillborn kits per litter was significantly increased by dietary concentrations of 4.5 μg ∑PCBs/g feed (28 pg TEQ_(who) 2005/g feed) and greater. All offspring exposed to dietary concentrations of 4.5 and 6.1 μg ∑PCBs/g feed (28 and 38 pg TEQ_(Who) 2005/g feed) died by 10 weeks of age, and all offspring exposed to 1.5 and 2.8 μg ∑PCBs/g feed (10 and 18 pg TEQ_(who) 2005/g feed) died by 31 weeks of age, leaving juveniles in the control and 0.72 μg ∑PCBs/g feed (0.41 - and 4.8 pg TEQwho 2005/g feed) groups only. The dietary concentration predicted to result in 20% kit mortality (LC20) at six weeks of age was 0.34 μg ∑PCBs/g feed (2.6 pg TEQwho 2005/g feed). The corresponding maternal hepatic concentration was 0.80 μg ∑PCBs/g liver, wet weight (13 pg TEQ_(who) 2005/ g liver, wet wt). Mink residing in the upper Hudson River would be expected to consume species of fish that contain an average of 4.0 (xg ∑PCBs/g tissue. Thus, a daily diet composed of less than 10% Hudson River fish could provide a dietary concentration of ∑PCBs that resulted in 20% kit mortality in the present study.
机译：摘要-评估了来自哈德逊河上游（美国纽约）的含有多氯联苯（PCB）污染鱼的农场饲养的貂（Mustela vison）日粮对成年繁殖性能以及成套件生长和死亡率的影响。日粮中含有2.5％至20％的哈德逊河鱼，每克饲料可提供0.72至6.1μg∑PCBs（4.8-38 pg有毒当量[TEQwho 2005] / g饲料）。日粮浓度为4.5μg∑PCBs / g饲料（28 pg TEQ_（who）2005 / g饲料）或更高时，每胎死产药盒的百分比显着增加。日粮中浓度分别为4.5和6.1μg∑PCBs / g饲料的所有后代（2005年每克饲料28和38 pg TEQ_（谁）2005 / g饲料）死亡，所有后代均暴露于1.5和2.8μg∑PCBs / g饲料（10和18 pg TEQ_ho2005 / g饲料）在31周龄时死亡，仅对照组和0.72μg∑PCBs / g饲料（0.41和4.8 pg TEQ_ho 2005 / g饲料）组死亡。六周龄时，预计导致20％试剂盒死亡率（LC20）的饮食浓度为0.34μg∑PCBs / g饲料（2.6 pg TEQwho 2005 / g饲料）。相应的孕妇肝脏浓度为0.80μg∑PCBs / g肝脏，湿重（13 pg TEQ_（who）2005 / g肝脏，湿重）。预计居住在哈德逊河上游的水貂会食用平均含量为4.0（xg ∑PCBs / g组织的鱼种。因此，每天食用少于10％的哈德逊河鱼的膳食可提供∑的饮食浓度在本研究中，PCB导致套件死亡率达到20％。

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  • 来源
    《Environmental toxicology and chemistry》 |2013年第4期|780-793|共14页
  • 作者

    Steven J. Bursian; John Kern; Richard E. Remington; Jane E. Link; Scott D. Fitzgerald;

  • 作者单位

    Department of Animal Science, Michigan State University, East Lansing, Michigan, USA,Center for Integrative Toxicology, Michigan State University, East Lansing, Michigan, USA;

    KERN Statistical Services, Sauk Rapids, Minnesota, USA;

    KERN Statistical Services, Sauk Rapids, Minnesota, USA;

    Department of Animal Science, Michigan State University, East Lansing, Michigan, USA;

    Department of Pathobiology and Diagnostic Investigation, Michigan State University, East Lansing, Michigan, USA,Diagnostic Center for Population and Animal Health, Michigan State University, Lansing, Michigan, USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    hudson river; mink; polychlorinated biphenyl; reproduction; mortality;

    机译：哈德逊河貂;多氯联苯;再生产;死亡;

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