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首页> 外文期刊>Environmental Science & Technology >Bioreduction of Sheep Carcasses Effectively wntains and Reduces Pathogen Levels under Operational and Simulated Breakdown Conditions
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Bioreduction of Sheep Carcasses Effectively wntains and Reduces Pathogen Levels under Operational and Simulated Breakdown Conditions

机译：在操作和模拟故障条件下，绵羊of体的生物还原有效地拥有并降低病原体水平

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摘要

Options for the storage and disposal of animal carcasses are extremely limited in the EU after the introduction of the EU Animal By-products Regulations (ABPR; EC/1774/2002), leading to animosity within the livestock sector and the call for alternative methods to be validated. Novel storage technologies such as bioreduction may be approved under the ABPR provided that they can be shown to prevent pathogen proliferation. We studied the survival of Enterowccus faecalis, Salmonella spp., E. coli O157 and porcine parvovirus in bioreduction vessels containing sheep carcasses for approximately 4 months. The vessels were operated under two different scenarios: (A) where the water within was aerated and heated to 40 ℃, and (B) with no aeration or heating, to simulate vessel failure. Microbial analysis verified that pathogens were contained within the bioreduction vessel and indeed reduced in numbers with time under both scenarios. This study shows that bioreduction can provide an effective and safe on-farm storage system for livestock carcasses prior to ultimate disposal. The findings support a review of the current regulatory framework so that bioreduction is considered for approval for industry use within the EU.
机译：在引入《欧盟动物副产品条例》（ABPR； EC / 1774/2002）之后，在欧盟，动物尸体的存储和处置选择极为有限，导致畜牧业敌对，并呼吁采用其他方法被验证。 ABPR可能会批准诸如生物还原之类的新型存储技术，前提是可以证明它们可以防止病原体扩散。我们研究了粪肠球菌，沙门氏菌，大肠杆菌O157和猪细小病毒在含有绵羊尸体的生物还原容器中的存活时间，大约4个月。容器在两种不同的情况下运行：（A）对其中的水充气并加热到40℃，（B）不充气或不加热，以模拟容器故障。微生物分析证实，在两种情况下，病原体都被包含在生物还原容器中，并且随着时间的推移，病原体的数量确实减少了。这项研究表明，在最终处置之前，生物还原可以为牲畜尸体提供有效且安全的农场存储系统。这些发现支持对当前监管框架的审查，因此可以考虑将生物还原技术批准用于欧盟内部的行业。

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  • 来源
    《Environmental Science & Technology》 |2013年第10期|5267-5275|共9页
  • 作者

    Ceri L. Gwyther; David L. Jones; Peter N. Golyshin; Gareth Edwards-Jones; John McKillen; Irene McNair; James E. McDonald; A. Prysor Williams;

  • 作者单位

    School of Environment, Natural Resources & Geography, College of Natural Sciences, Bangor University, Gwynedd, LL57 2UW, U.K.;

    School of Environment, Natural Resources & Geography, College of Natural Sciences, Bangor University, Gwynedd, LL57 2UW, U.K.;

    School of Biological Sciences, College of Natural Sciences, Bangor University, Gwynedd, LL57 2UW, U.K.;

    School of Environment, Natural Resources & Geography, College of Natural Sciences, Bangor University, Gwynedd, LL57 2UW, U.K.;

    Veterinary Sciences Division, Agri-Food and Biosciences Institute, Stormont, Belfast, BT4 3SD, U.K.;

    Veterinary Sciences Division, Agri-Food and Biosciences Institute, Stormont, Belfast, BT4 3SD, U.K.;

    School of Biological Sciences, College of Natural Sciences, Bangor University, Gwynedd, LLS7 2UW, U.K.;

    School of Environment, Natural Resources & Geography, College of Natural Sciences, Bangor University, Gwynedd, LL57 2UW, U.K.;

  • 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);
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