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Economic costs of protistan and metazoan parasites to global mariculture

机译：原生动物和后生寄生虫对全球海水养殖的经济成本

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摘要

Parasites have a major impact on global finfish and shellfish aquaculture, having significant effects on farm production, sustainability and economic viability. Parasite infections and impacts can, according to pathogen and context, be considered to be either unpredictable/sporadic or predictable/regular. Although both types of infection may result in the loss of stock and incur costs associated with the control and management of infection, predictable infections can also lead to costs associated with prophylaxis and related activities. The estimation of the economic cost of a parasite event is frequently complicated by the complex interplay of numerous factors associated with a specific incident, which may range from direct production losses to downstream socio-economic impacts on livelihoods and satellite industries associated with the primary producer. In this study, we examine the world's major marine and brackish water aquaculture production industries and provide estimates of the potential economic costs attributable to a range of key parasite pathogens using 498 specific events for the purposes of illustration and estimation of costs. This study provides a baseline resource for risk assessment and the development of more robust biosecurity practices, which can in turn help mitigate against and/or minimise the potential impacts of parasite-mediated disease in aquaculture.
机译：寄生虫对全球有鳍鱼类和贝类水产养殖产生重大影响，对农业生产，可持续性和经济生存能力产生重大影响。根据病原体和环境，寄生虫感染和影响可以被认为是不可预测的/零星的或可预测的/正常的。尽管两种类型的感染都可能导致存货损失并招致与控制和管理感染相关的费用，但是可预测的感染也可能导致与预防和相关活动相关的费用。与特定事件相关的众多因素之间的复杂相互作用，常常使对寄生虫事件的经济成本的估算复杂化，其范围可能从直接生产损失到对初级生产者相关的生计和卫星产业的下游社会经济影响。在这项研究中，我们检查了世界主要的海水和咸水养殖生产行业，并使用498个具体事件提供了对一系列关键寄生虫病原体的潜在经济成本的估算，以说明和估算成本。这项研究为风险评估和开发更可靠的生物安全措施提供了基础资源，从而可以帮助减轻和/或最小化寄生虫介导的疾病在水产养殖中的潜在影响。

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