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dc.contributor.authorLjungfeldt, Lina
dc.contributor.authorSanchez, Maria Quintela
dc.contributor.authorBesnier, Francois
dc.contributor.authorNilsen, Frank
dc.contributor.authorGlover, Kevin
dc.date.accessioned2017-12-20T11:01:55Z
dc.date.available2017-12-20T11:01:55Z
dc.date.issued2017-12
dc.PublishedLjungfeldt ELR, Sanchez MQ, Besnier F, Nilsen F, Glover KA. A pedigree-based experiment reveals variation in salinity and thermal tolerance in the salmon louse, Lepeophtheirus salmonis. Evolutionary Applications. 2017;10(10):1007-1019eng
dc.identifier.issn1752-4571en_US
dc.identifier.urihttps://hdl.handle.net/1956/17055
dc.description.abstractThe salmon louse is a highly abundant ectoparasitic copepod of salmonids in the North Pacific and Atlantic. Widespread and rapid development of resistance to chemical agents used to delouse salmonids on marine farms is now threatening the continued development of the aquaculture industry and have served as a potent catalyst for the development of alternative pest management strategies. These include freshwater and warm-water treatments to which the louse is sensitive. However, given the well-documented evolutionary capacity of this species, the risk of developing tolerance towards these environmental treatments cannot be dismissed. Two common-garden experiments were performed using full-sibling families of lice identified by DNA parentage testing to investigate whether one of the fundamental premises for evolution, in this context genetic variation in the capacity of coping with fresh or warm water, exists within this species. Significant differences in survival were observed among families in both experiments, although for the salinity experiment, it was not possible to unequivocally disentangle background mortality from treatment-induced mortality. Thus, our data demonstrate genetic variation in tolerance of warm water and are suggestive of genetic variation in salinity tolerance. We conclude that extensive use of these environmental-based treatments to delouse salmonids on commercial farms may drive lice towards increased tolerance.en_US
dc.language.isoengeng
dc.publisherWileyen_US
dc.rightsAttribution CC BYeng
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/eng
dc.subjectAquacultureeng
dc.subjectevolutionary capacityeng
dc.subjectMarineeng
dc.subjectMicrosatelliteeng
dc.subjectParasiteeng
dc.subjectresistanceeng
dc.subjectSea liceeng
dc.subjectTemperatureeng
dc.titleA pedigree-based experiment reveals variation in salinity and thermal tolerance in the salmon louse, Lepeophtheirus salmonisen_US
dc.typePeer reviewed
dc.typeJournal article
dc.date.updated2017-12-11T14:13:40Z
dc.description.versionpublishedVersionen_US
dc.rights.holderCopyright 2017 The Author(s)en_US
dc.identifier.doihttps://doi.org/10.1111/eva.12505
dc.identifier.cristin1525128
dc.source.journalEvolutionary Applications


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