{"title":"Does treatment of brown trout with the parasite causing PKD increase stocking success and boost resilience against the disease?","authors":"Albert Ros, Jan Baer, Alexander Brinker","doi":"10.1111/fme.12626","DOIUrl":null,"url":null,"abstract":"<p>In Salmonidae, infections with the parasite <i>Tetracapsuloides bryosalmonae</i> may lead to a temperature-dependent proliferative disease of the kidney (PKD). Trout that survive infection and recover become resistant to the disease. The use of this approach to improve brown trout (<i>Salmo trutta</i>) stocking success was tested in three PKD-affected streams in southern Germany. Fish were treated using local spores of the parasite and kept at low temperatures (14°C) to not develop the disease. Controls were similarly kept but not treated with spores. Independent of time of stocking (winter or spring), recapture rates for both control and parasite-treated stocked trout were very low (<1%). However, recaptured parasite-treated trout exhibited lower parasite prevalence than control and wild-caught trout.</p>","PeriodicalId":50444,"journal":{"name":"Fisheries Management and Ecology","volume":"30 4","pages":"333-337"},"PeriodicalIF":2.0000,"publicationDate":"2023-04-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/fme.12626","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Fisheries Management and Ecology","FirstCategoryId":"97","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1111/fme.12626","RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"FISHERIES","Score":null,"Total":0}
引用次数: 0
Abstract
In Salmonidae, infections with the parasite Tetracapsuloides bryosalmonae may lead to a temperature-dependent proliferative disease of the kidney (PKD). Trout that survive infection and recover become resistant to the disease. The use of this approach to improve brown trout (Salmo trutta) stocking success was tested in three PKD-affected streams in southern Germany. Fish were treated using local spores of the parasite and kept at low temperatures (14°C) to not develop the disease. Controls were similarly kept but not treated with spores. Independent of time of stocking (winter or spring), recapture rates for both control and parasite-treated stocked trout were very low (<1%). However, recaptured parasite-treated trout exhibited lower parasite prevalence than control and wild-caught trout.
期刊介绍：
Fisheries Management and Ecology is a journal with an international perspective. It presents papers that cover all aspects of the management, ecology and conservation of inland, estuarine and coastal fisheries.
The Journal aims to:
foster an understanding of the maintenance, development and management of the conditions under which fish populations and communities thrive, and how they and their habitat can be conserved and enhanced;
promote a thorough understanding of the dual nature of fisheries as valuable resources exploited for food, recreational and commercial purposes and as pivotal indicators of aquatic habitat quality and conservation status;
help fisheries managers focus upon policy, management, operational, conservation and ecological issues;
assist fisheries ecologists become more aware of the needs of managers for information, techniques, tools and concepts;
integrate ecological studies with all aspects of management;
ensure that the conservation of fisheries and their environments is a recurring theme in fisheries and aquatic management.
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