In vitro efficacy of Quillaja saponaria extracts on the infective life-stage of ectoparasite Caligus rogercresseyi

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dc.contributor.authorCañon Jones, Hernán A.
dc.contributor.authorSchlotterbeck Suarez, Trinidad
dc.contributor.authorCastillo-Ruiz, Mario
dc.contributor.authorCortes Gonzalez, Hernán
dc.contributor.authorAsencio, Gladys
dc.contributor.authorLatuz, Susana
dc.contributor.authorSan Martín, Ricardo
dc.date.accessioned2025-03-07T14:54:27Z
dc.date.available2025-03-07T14:54:27Z
dc.date.issued2021-12
dc.descriptionIndexación: Scopus.
dc.description.abstractThe effect of two different commercial products of Quillaja saponaria saponin extract on mortality of the free-living copepodite stage sea-lice Caligus rogercresseyi were assessed in vitro. Parasites were exposed for 24 hr to different concentrations of Quillaja extracts and then observed until 30 hr in non-Quillaja media. The EC50 and EC90 were evaluated at 30 hr. High mortalities of copepodites were obtained at higher doses (500 ppm) for both extracts. Higher mortalities were obtained using the product with higher saponin content at 24 hr (23.3% vs. 86.6%) and 30 hr (63.3% vs. 93.3%) compared with the product containing less saponins. In addition, mortalities increased even after removing the extracts suggesting a residual and prolonged effect on the survival of the parasite. Our results indicated that the free-living stage of the parasite is sensitive to saponins from Q. saponaria extracts and may be used to control or prevent the infestation of C. rogercresseyi in salmonids in Chile. © 2021 The Authors. Journal of the World Aquaculture Society published by Wiley Periodicals LLC on behalf of World Aquaculture Society.
dc.description.urihttps://onlinelibrary-wiley-com.recursosbiblioteca.unab.cl/doi/10.1111/jwas.12829
dc.identifier.citationJournal of the World Aquaculture Society, Volume 52, Issue 6, Pages 1234 - 1242, December 2021
dc.identifier.doi10.1111/jwas.12829
dc.identifier.issn0893-8849
dc.identifier.urihttps://repositorio.unab.cl/handle/ria/63679
dc.language.isoen
dc.publisherJohn Wiley and Sons Inc
dc.rights.licenseAttribution 4.0 International CC BY 4.0 Deed
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectCaligus rogercresseyi
dc.subjectCopepodid
dc.subjectQuillaja saponaria
dc.subjectSalmon
dc.subjectSea lice
dc.titleIn vitro efficacy of Quillaja saponaria extracts on the infective life-stage of ectoparasite Caligus rogercresseyi
dc.typeArtículo
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