<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The occurrence of zoonotic parasitic nematodes in Atlantic chub mackerels (<italic>Scomber colias</italic> syn. <italic>Scomber japonicus</italic>) from Libyan waters was investigated, using epizootiological estimations and molecular specific characterization of larvae. Nematodes belonging to <italic>Anisakis</italic> spp., the main etiological agent of anisakiasis in Mediterranean waters, and to <italic>Hysterothylacium</italic> spp. so far considered not pathogenic to humans, were detected. Prevalence values were generally high in visceral cavities (over 40 % for both parasites) while were low for <italic>Anisakis</italic> (around 1 %) and null for <italic>Hysterothylacium</italic> in muscles. Moreover, the level of infections was associated with seasons, a feature potentially useful to plan fishing captures and to elaborate risk mitigation strategies for anisakiasis. Species molecular identification performed on a subsample described the presence of <italic>Hysterothylacium aduncum</italic> as the predominant species, along with <italic>Anisakis pegreffii</italic> and the hybrids (<italic>A. pegreffii</italic> and <italic>A. simplex</italic> sensu stricto), thus posing a concrete zoonotic risk following the consumption of such fish species as a raw preparation.</p></abstract>

The occurrence of zoonotic parasitic nematodes in Atlantic chub mackerels (Scomber colias syn. Scomber japonicus) from Libyan waters was investigated, using epizootiological estimations and molecular specific characterization of larvae. Nematodes belonging to Anisakis spp., the main etiological agent of anisakiasis in Mediterranean waters, and to Hysterothylacium spp. so far considered not pathogenic to humans, were detected. Prevalence values were generally high in visceral cavities (over 40 % for both parasites) while were low for Anisakis (around 1 %) and null for Hysterothylacium in muscles. Moreover, the level of infections was associated with seasons, a feature potentially useful to plan fishing captures and to elaborate risk mitigation strategies for anisakiasis. Species molecular identification performed on a subsample described the presence of Hysterothylacium aduncum as the predominant species, along with Anisakis pegreffii and the hybrids (A. pegreffii and A. simplex sensu stricto), thus posing a concrete zoonotic risk following the consumption of such fish species as a raw preparation.

Occurrence of <italic>Anisakis</italic> and <italic>Hysterothylacium</italic> nematodes in Atlantic chub mackerels from Libyan coasts

Helminthologia

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Occurrence of  and  nematodes in Atlantic chub mackerels from Libyan coasts

The occurrence of zoonotic parasitic nematodes in Atlantic chub mackerels (Scomber colias syn. Scomber japonicus) from Libyan waters was investigated, using...

Occurrence of Anisakis and Hysterothylacium nematodes in Atlantic chub mackerels from Libyan coasts

Article Category: Research Note

Published Online: Nov 06, 2019

Page range: 347 - 352

Received: Jul 15, 2019

Accepted: Aug 11, 2019

DOI: https://doi.org/10.2478/helm-2019-0034

Keywords
Atlantic chub mackerel, PCR-RFLP, seasonality, consumers’ safety

© 2019 S. Cavallero, R. A. El Sherif, A. Pizzarelli, A. A. El Fituri, M. El Showhdi, F. Benmosa, S. D’Amelio, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Occurrence of Anisakis and Hysterothylacium nematodes in Atlantic chub mackerels from Libyan coasts

Article Category: Research Note

Published Online: Nov 06, 2019

Page range: 347 - 352

Received: Jul 15, 2019

Accepted: Aug 11, 2019

DOI: https://doi.org/10.2478/helm-2019-0034

KeywordsAtlantic chub mackerel, PCR-RFLP, seasonality, consumers’ safety

© 2019 S. Cavallero, R. A. El Sherif, A. Pizzarelli, A. A. El Fituri, M. El Showhdi, F. Benmosa, S. D’Amelio, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
Atlantic chub mackerel, PCR-RFLP, seasonality, consumers’ safety