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首页> 外文期刊>Aquacultural Engineering: An International Journal >Reducing sea lice re-infestation risk from harvest water at a salmon farm site in Ireland using a bespoke sieving and filtration system.
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Reducing sea lice re-infestation risk from harvest water at a salmon farm site in Ireland using a bespoke sieving and filtration system.

机译：使用定制的筛分和过滤系统，减少爱尔兰鲑鱼养殖场中收获水带来的海虱再感染风险。

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摘要

Water samples from the harvest water outflow of a salmon farm harvest line were sampled at different stages for the presence of sea lice before and after filtration to establish the quantity of sea lice that escaped back into the water column. During the processing of fish through the harvest line the mechanical abrasion experienced by the fish cause sea lice to be knocked off into the harvest outflow water, these lice have the potential to re-infest remaining stock on site. The use of two types of filtration systems at a harvesting site where in situ culling is on-going reduces the risk of re-infestation. In this site the sieve system was particularly effective. The reduction in sea lice numbers achieved by filtering discharge water using sieves was 89.5% using 1 mm screens and was over 99% using 80 micro m filters.
机译：在过滤之前和之后，在不同阶段对鲑鱼养殖场收获线的收获水流出的水样进行采样，以确定海虱的存在，从而确定逃回水柱的海虱数量。在通过收割线加工鱼的过程中，鱼遭受的机械磨损导致海虱被撞到收获的流出水中，这些虱有可能再次感染现场剩余的种群。在正在进行原地淘汰的收割场使用两种类型的过滤系统可降低再次感染的风险。在这个站点上，筛分系统特别有效。通过使用筛网过滤排放水，使用1毫米的滤网可减少的海虱数量减少了89.5％，使用80微米的滤网则减少了99％以上。

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