Mass mortality of Cornu aspersum in Italian snail farms: A histopathological survey.

Autor: Power K; Department of Biology, University of Naples Federico II, 80126, Naples, Italy. Electronic address: karen.power@unina.it., Leandri R; Department of Biology, University of Naples Federico II, 80126, Naples, Italy., Fierro A; Department of Biology, University of Naples Federico II, 80126, Naples, Italy., Zottola T; Istituto Zooprofilattico Sperimentale Lazio e Toscana M.Aleandri, UOT Lazio Sud, 04100 Latina, Italy., De Vico G; Department of Biology, University of Naples Federico II, 80126, Naples, Italy.
Jazyk: angličtina
Zdroj: Journal of invertebrate pathology [J Invertebr Pathol] 2024 Sep; Vol. 206, pp. 108160. Date of Electronic Publication: 2024 Jun 24.
DOI: 10.1016/j.jip.2024.108160
Abstrakt: The production demand of edible snails in the Mediterranean area is very high and the attention to snail borne diseases is increasing. Following mass mortality events, we have analyzed 240 samples of Cornu aspersum collected from farms across Italy. Anatomopathological examination showed the presence of alterations of the gastro-intestinal apparatus and of the digestive gland, while histopathological examination revealed the presence of Rickettsia-like organisms (RLOs) in 70% (168/240) of cases and Giemsa positive amoebae in the remaining 30% (72/240) of cases. RLOs were localized mainly at the level of the DG, where regressive changes or nodular inflammation was observed. TEM examination of RLOs samples revealed the presence of many rod-shaped electron dense microorganisms. Amoebal infection occurred in the kidney, intestine, lung, the DG and were associated to regressive events or infiltrative/nodular and encapsulation like inflammation. To date it is still unclear if the pathogens detected could represent a risk for humans and animals, therefore further studies are needed to better elucidate this point.
Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
(Copyright © 2024 The Author(s). Published by Elsevier Inc. All rights reserved.)
Databáze: MEDLINE
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