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Título: Monitoring for Anguillicoloides crassus, Anguillid herpesvirus 1, aquabirnavirus EVE and rhabdovirus EVEX in the European eel population of southern Spain
Fecha de publicación: ene-2023
Cita bibliográfica: Journal of Fish DiseasesVol. 46, Issue 4 pp. 417-431
ISSN: Print: 0140-7775
Electronic: 1365-2761
Palabras clave: Anguillicoloides crassus
Anguillid herpesvirus 1
European eel
Resumen: European eel is critically endangered in Europe. Among other stressors, pathogens are well-known to harm eels' fitness. One hundred and eighty-two eels were captured in three Eel Management Units in Andalucía (SE Spain) and analysed for Anguillicoloides crassus, Anguillid herpesvirus 1 (AngHV1), the rhabdovirus Eel Virus European X (EVEX) and the aquabirnavirus Eel Virus European (EVE). A. crassus adults and preadults were isolated and morphometrically identified, and the eel swimbladders were artificially digested to count A. crassus larvae. Also, eel tissues were examined by PCRs for the presence of viruses. EVEX and EVE were not detected in any of the eels. The estimated prevalence (95% confidence limits) was 71 (64–78)% for A. crassus and 35 (28–42)% for AngHV-1, varying these prevalences significantly between and within EMUs. Moreover, A. crassus prevalence was highest in smaller eels, in sites closest to the sea and eels sampled in the autumn. By contrast, AngHV-1 prevalence was highest in biggest eels, in sites far from the sea and sampled in the summer or winter. However, in mixed effects logistic models including site as a random variable, the risk of infection was associated with distance to the sea in both A. crassus and AngHV-1 infections and also to winter sampling in the case of AngHV-1 and not to other variables. These results are evidence that both pathogens are highly endemic in eels from Andalusian habitats. Further studies are needed to better understand the risk factors associated with these pathogens on eel populations.
Autor/es principal/es: Ruiz de Ybáñez Carnero, María del Rocío
Del Río Alonso, Laura
Flores Flores, César
Muñoz Ruiz, Pilar
Berriatua Fernández de Larrea, Eduardo
Rubio, Silvia
Martínez Carrasco-Pleite, Carlos
Facultad/Departamentos/Servicios: Facultad de Veterinaria
URI: http://hdl.handle.net/10201/136324
DOI: https://doi.org/10.1111/jfd.13754
Tipo de documento: info:eu-repo/semantics/article
Número páginas / Extensión: 15
Derechos: info:eu-repo/semantics/openAccess
Descripción: © 2023. The authors. This document is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/ This document is the Accepted version of a Published Work that appeared in final form in Journal of Fish Diseases.. To access the final edited and published work see https://doi.org/10.1111/jfd.13754
Aparece en las colecciones:Artículos: Sanidad Animal

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