Diphyllobothrium latum in Italy: plerocercoids larvae distribution in perch (Perca fluviatilis) fillets

  • Marino Prearo | marino.prearo@izsto.it Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle d’Aosta, Torino, Italy.
  • Elena Pavoletti ASL VC, Vercelli, Italy.
  • Andrea Gustinelli Dipartimento di Scienze Mediche Veterinarie, Alma Mater Studiorum - Università di Bologna, Ozzano Emilia, Italy.
  • Monica Caffara Dipartimento di Scienze Mediche Veterinarie, Alma Mater Studiorum - Università di Bologna, Ozzano Emilia, Italy.
  • Marzia Righetti Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle d’Aosta, Torino, Italy.
  • Maria Cristina Bona Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle d’Aosta, Torino, Italy.
  • Tommaso Scanzio Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle d’Aosta, Torino, Italy.
  • Giuseppe Ru Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle d’Aosta, Torino, Italy.
  • MariaLetizia Fioravanti Dipartimento di Scienze Mediche Veterinarie, Alma Mater Studiorum - Università di Bologna, Ozzano Emilia, Italy.

Abstract

Following the diffusion of new eating habits (consumption of uncooked, undercooked, marinated or cold-smoked fish), some cases of parasitic zoonosis from freshwater fish are recently reappeared in Italy. One of these is tapeworm Diphyllobothrium latum, whose final host could be human. This study aimed to individuate the position of plerocercoid larvae inside perch fillets (Perca fluviatilis) caught in 4 different sites on Como lake in 2011. The fish analyzed were 390. The larvae totally isolated from 112 positive fishes were 164: 85 found in the right fillets and 79 in left ones. According to dorso-ventral disposition in fish, 144 larvae were individuated in dorsal muscles and 20 in ventral ones. Data collected confirm that plerocercoid larvae prefer the upper mass of perch muscle. Dietary education and sanitary care on fish supply are necessary to prevent the diffusion of tapeworm zoonosis in high-risk zones. European legislation establishes freezing to sanitize fish to be eaten raw, marinated or cold-smoked.

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Published
2013-04-22
Info
Issue
Section
Short Communications
Supporting Agencies
Ministry of Health
Keywords:
Diphyllobothrium latum, Perch fillets, Parasitic zoonoses
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How to Cite
Prearo, M., Pavoletti, E., Gustinelli, A., Caffara, M., Righetti, M., Bona, M. C., Scanzio, T., Ru, G., & Fioravanti, M. (2013). Diphyllobothrium latum in Italy: plerocercoids larvae distribution in perch (Perca fluviatilis) fillets. Italian Journal of Food Safety, 2(1), e2. https://doi.org/10.4081/ijfs.2013.969

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