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Trichinella spp. detection in hunted wild boar (Sus scrofa) diaphragm biopsies in Central Italy
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Trichinella spp. detection in hunted wild boar (Sus scrofa) diaphragm biopsies in Central Italy
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Journal Article
Trichinella spp. detection in hunted wild boar (Sus scrofa) diaphragm biopsies in Central Italy
2023
Overview
Trichinellosis is a globally diffused foodborne parasitic disease caused by nematodes of the Trichinella complex. During evolution, guided by ecological interactions, tural selection, and biochemical “intelligence”, these parasites developed admirable strategies to infect the host’s organism. One of the most fasciting is represented by the nurse cell formation in muscular tissue (e.g., diaphragm, skeletal muscle, extrinsic ocular muscles, etc.). This strategy allowed the parasite to adapt and conquer the wider host species spectrum, including ungulates and humans. Consumption of undercooked meat from infected wild ungulates constitutes the most important source of infection for the human species. In this study, we show the prevalence of Trichinella spp. in hunted wild boars (Sus scrofa) in Central Italy. During the hunting season 2021/2022 in the province of Rieti, 554 wild boar diaphragm biopsies were collected for Trichinella spp. screening, in accordance with Regulation EU 1375/2015. An artificial digestion method was used for the detection of Trichinella spp. larval forms. The results revealed a positivity of 0.18% (1/554), and molecular biology identification demonstrated the presence of Trichinella britovi in the positive sample. This species is the most diffused in wild ungulate populations in Central Italy and the most frequently isolated in human patients with trichinellosis from this area, showing a close epidemiological relation between Homo sapiens and Sus scrofa for Trichinella spp. diffusion in an ecosystem. Epidemiological surveillance, in receptive animal species destined for human consumption and at any One Health level, represents the main “winning” strategy in the control of this worldwide, widespread foodborne parasitic disease.
Publisher
PAGEPress Publications
Subject
