The wild boar, an impactful invasive species in Brazil, is subject to population control activities, which often include the use of hunting dogs. Hunters commonly consume wild boar meat, which is also used to feed their dogs, posing a risk of infection for humans and both and for dogs. The study aimed to investigate the prevalence of infection in wild boars (n = 127) and hunting dogs (n = 73) from São Paulo, Rio Grande do Sul, and Paraná states. We employed histopathological, serological (indirect fluorescent antibody test), and molecular techniques (endpoint polymerase chain reaction). Histopathology slides of wild boar tissue (central nervous system, heart, skeletal muscle, liver, spleen, kidney, gastrointestinal tract, pancreas, lymph nodes, and thyroid) sections revealed no or cysts (0/47). Antibodies anti- were detected in 35/108 (32.4%) and anti- in 45/108 (41.7%) wild boars. Only 2/18 (11.1%) wild boar tissue homogenate samples tested positive for on endpoint PCR. Hunting dogs showed antibodies against in 62/73 (85%) and against in 31/73 (42%). The presence of antibodies against and in wild boars and hunting dogs, along with DNA detection in wild boars, indicates the circulation of these parasites. Educating hunters on preventing these foodborne diseases, including zoonotic risks, is crucial.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11222814PMC
http://dx.doi.org/10.1016/j.ijppaw.2024.100951DOI Listing

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