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Artículo

Epidemiology and spatial distribution of Echinococcus granulosus in sheep and goats slaughtered in a hyperendemic European Mediterranean area

Bosco, Antonio; Alves, Leucio Camara; Cociancic, PaolaIcon ; Amadesi, Alessandra; Pepe, Paola; Morgoglione, Maria Elena; Maurelli, Maria Paola; Ferrer Miranda, Edyniesky; Santoro, Kleber Régis; Nascimento Ramos, Rafael Antonio; Rinaldi, Laura; Cringoli, Giuseppe
Fecha de publicación: 12/2021
Editorial: BioMed Central
Revista: Parasites and Vectors
ISSN: 1756-3305
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Parasitología

Resumen

Background: Cystic echinococcosis (CE) is a worldwide parasitic zoonosis caused by the larval stage of Echinococcus granulosus sensu lato affecting livestock, particularly sheep and goats. However, often this parasitosis is underestimated. For this reason, this study aimed to evaluate the epidemiological features and spatial distribution of CE in sheep and goats slaughtered in a hyperendemic Mediterranean area. Methods: A survey was conducted in the Basilicata region (southern Italy) from 2014 to 2019. A total of 1454 animals (1265 sheep and 189 goats) from 824 farms were examined for hydatid cyst detection by visual inspection, palpation and incision of target organs. All the CE cysts were counted and classified into five morphostructural types (unilocular, multiseptate, calcified, caseous and hyperlaminated). Molecular analysis was performed on 353 cysts. For spatial analysis, a kriging interpolation method was used to create risk maps, while clustering was assessed by Moran’s I test. Results: CE prevalence of 72.2% (595/824) and 58.4% (849/1454) was observed at the farm and animal levels, respectively, with higher values in sheep (62.9%) than goats (28.0%). The liver and lungs were the most frequently infected organs in both sheep and goats. Most of recovered cysts were of the calcified and multiseptate morphotypes. All the isolates were identified as E. granulosus sensu stricto (genotypes G1–G3). Spatial distribution showed a moderate clustering of positive animals. Conclusion: The findings of this study can be used to better understand the eco-epidemiology of echinococcosis and to improve CE surveillance and prevention programs in regions highly endemic for CE.
Palabras clave: CYSTIC ECHINOCOCCOSIS , CYSTS , ECHINOCOCCUS GRANULOSUS , GOATS , SHEEP , SPATIAL DISTRIBUTION
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/181126
DOI: http://dx.doi.org/10.1186/s13071-021-04934-9
URL: https://parasitesandvectors.biomedcentral.com/articles/10.1186/s13071-021-04934-
Colecciones
Articulos(CEPAVE)
Articulos de CENTRO DE EST.PARASITOL.Y DE VECTORES (I)
Citación
Bosco, Antonio; Alves, Leucio Camara; Cociancic, Paola; Amadesi, Alessandra; Pepe, Paola; et al.; Epidemiology and spatial distribution of Echinococcus granulosus in sheep and goats slaughtered in a hyperendemic European Mediterranean area; BioMed Central; Parasites and Vectors; 14; 1; 12-2021; 1-9
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