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首页> 美国卫生研究院文献>Parasite Epidemiology and Control >Cystic echinococcosis in marketed offal of sheep in Basrah Iraq: Abattoir-based survey and a probabilistic model estimation of the direct economic losses due to hydatid cyst
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Cystic echinococcosis in marketed offal of sheep in Basrah Iraq: Abattoir-based survey and a probabilistic model estimation of the direct economic losses due to hydatid cyst

机译：伊拉克巴士拉羊内脏中的囊性棘球co虫病：基于屠宰场的调查和基于包虫囊肿的直接经济损失的概率模型估计

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摘要

Cystic echinococcosis (CE) is a highly endemic parasitic zoonosis in Iraq with substantial impacts on livestock productivity and human health. The objectives of this study were to study the abattoir-based occurrence of CE in marketed offal of sheep in Basrah province, Iraq, and to estimate, using a probabilistic modelling approach, the direct economic losses due to hydatid cysts. Based on detailed visual meat inspection, results from an active abattoir survey in this study revealed detection of hydatid cysts in 7.3% (95% CI: 5.4; 9.6) of 631 examined sheep carcasses. Post-mortem lesions of hydatid cyst were concurrently present in livers and lungs of more than half (54.3% (25/46)) of the positive sheep. Direct economic losses due to hydatid cysts in marketed offal were estimated using data from government reports, the one abattoir survey completed in this study, and expert opinions of local veterinarians and butchers. A Monte-Carlo simulation model was developed in a spreadsheet utilizing Latin Hypercube sampling to account for uncertainty in the input parameters. The model estimated that the average annual economic losses associated with hydatid cysts in the liver and lungs of sheep marketed for human consumption in Basrah to be US$72,470 (90% Confidence Interval (CI); ±11,302). The mean proportion of annual losses in meat products value (carcasses and offal) due to hydatid cysts in the liver and lungs of sheep marketed in Basrah province was estimated as 0.42% (90% CI; ±0.21). These estimates suggest that CE is responsible for considerable livestock-associated monetary losses in the south of Iraq. These findings can be used to inform different regional CE control program options in Iraq.
机译：囊性棘球co虫病（CE）是伊拉克的一种高度流行的寄生虫人畜共患病，对牲畜生产力和人类健康产生重大影响。这项研究的目的是研究在伊拉克巴士拉省的绵羊内脏中以屠宰场为基础的CE的发生，并使用概率模型方法来估计由包虫囊肿引起的直接经济损失。根据详细的肉肉检查，这项研究中对屠宰场进行的一项积极调查结果显示，在检出的631头绵羊尸体中，有7.3％（95％CI：5.4; 9.6）的包虫囊肿被发现。尸体囊肿的死后病变同时存在于阳性绵羊的一半以上（54.3％（25/46））的肝和肺中。使用政府报告中的数据，这项研究中完成的一项屠宰场调查以及当地兽医和屠夫的专家意见，估计了市售杂物中的包虫囊肿所造成的直接经济损失。使用拉丁文Hypercube采样在电子表格中开发了蒙特卡洛仿真模型，以解决输入参数的不确定性。该模型估计，巴士拉市上供人类食用的绵羊的肝和肺中的虫草囊肿相关的平均年经济损失为72,470美元（90％置信区间（CI）；±11,302）。据估计，巴士拉省销售的绵羊的肝和肺中的包虫囊肿造成的肉制品价值（屠体和内脏）年度损失的平均比例为0.42％（90％CI；±0.21）。这些估计表明，行政长官负责伊拉克南部与牲畜有关的大量金钱损失。这些发现可用于为伊拉克的不同区域CE控制计划选择提供依据。

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