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Predictive score and probability of CTX-like toxicity in fish samples from the official control of ciguatera in the Canary Islands
dc.contributor.author | Sanchez-Henao, J. Andres | |
dc.contributor.author | García-Álvarez, Natalia | |
dc.contributor.author | Fernández, Antonio | |
dc.contributor.author | Saavedra, Pedro | |
dc.contributor.author | Silva Sergent, Freddy | |
dc.contributor.author | Padilla, Daniel | |
dc.contributor.author | Acosta-Hernández, Begoña | |
dc.contributor.author | Martel Suárez, Manuela | |
dc.contributor.author | Diogène, Jorge | |
dc.contributor.author | Real, Fernando | |
dc.contributor.other | Producció Animal | ca |
dc.date.accessioned | 2019-12-03T15:15:11Z | |
dc.date.available | 2022-03-24T12:00:19Z | |
dc.date.issued | 2019-03-30 | |
dc.identifier.citation | Sanchez-Henao, J. Andres, Natalia García-Álvarez, Antonio Fernández, Pedro Saavedra, Freddy Silva Sergent, Daniel Padilla, Begoña Acosta-Hernández, Manuela Martel Suárez, Jorge Diogène, and Fernando Real. 2019. "Predictive Score And Probability Of CTX-Like Toxicity In Fish Samples From The Official Control Of Ciguatera In The Canary Islands". Science Of The Total Environment 673: 576-584. Elsevier BV. doi:10.1016/j.scitotenv.2019.03.445. | ca |
dc.identifier.issn | 0048-9697 | ca |
dc.identifier.uri | http://hdl.handle.net/20.500.12327/570 | |
dc.description.abstract | This research identifies factors associated with the contamination by ciguatoxins (CTXs) in a population of fish and proposes a predictive score of the presence of CTX-like toxicity in amberjack samples from the official control program of ciguatera in the Canary Islands of the Directorate-General (DG) Fisheries (Canary Government). Out of the 970 samples of fish studied, 177 (18.2%) samples showed CTX-like toxicity. The fish were classified according to the species, amberjack (Seriola dumerili and S. rivoliana) (n = 793), dusky grouper (Epinephelus marginatus) (n = 145) and wahoo (Acanthocybium solandri) (n = 32). The data were separated by species category and statistically examined, resulting in 137 (17.3%) amberjack and 39 (26.9%) grouper samples showing CTX-like toxicity; regarding wahoo species, only 1 toxic sample (3.1%) was found. According to fishing location the contamination rates suggested grouping the islands in four clusters; namely: {El Hierro: HI; La Gomera: LG; La Palma: LP}, {Gran Canaria: GC; Tenerife: TF}, {Fuerteventura: FU} and {Lanzarote: LZ}. For the amberjack species, the multivariate logistic regression showed the factors that maintained independent association with the outcome, which were the warm season (OR = 3.617; 95% CI = 1.249–10.474), the weight (per kg, 1.102; 95% CI = 1.069–1.136) and the island of fish catching. A prediction score was obtained for the probability of contamination by CTX in amberjack fish samples. The area under de curve (AUC) obtained using the validation data was 0.747 (95% CI = 0.662–0.833). Regarding grouper species, the island of fishing was the only factor that showed significant differences associated with the presence of CTX-like toxicity. We provide herein data for a better management and prediction of ciguatera in the Canary Islands, suggesting a review of the minimum limits of fish weight established by the Canary Government for the control program. | ca |
dc.format.extent | 37 | ca |
dc.language.iso | eng | ca |
dc.publisher | Elsevier | ca |
dc.relation.ispartof | Science of the Total Environment | ca |
dc.rights | Attribution-NonCommercial-NoDerivatives 4.0 International | ca |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/4.0/ | * |
dc.title | Predictive score and probability of CTX-like toxicity in fish samples from the official control of ciguatera in the Canary Islands | ca |
dc.type | info:eu-repo/semantics/article | ca |
dc.description.version | info:eu-repo/semantics/acceptedVersion | ca |
dc.rights.accessLevel | info:eu-repo/semantics/openAccess | |
dc.relation.projectID | EFSA/ /GP-EFSA-AFSCO-2015-03/EU/Risk Characterization of Ciguatera Food Poisoning in Europe/EUROCIGUA | ca |
dc.subject.udc | 63 | ca |
dc.identifier.doi | https://doi.org/10.1016/j.scitotenv.2019.03.445 | ca |
dc.contributor.group | Aigües Marines i Continentals | ca |
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