Seroepidemiological analyses of rabies virus in two procyonid species from La Venta urban park, in Tabasco, Mexico

Rendón-Franco, Emilio; García-Baltazar, Anahí; Muñoz-García, Claudia I.; Villanueva-García, Claudia; Gama-Campillo, Lilia María; Suzán, Gerardo; Aguilar-Setién, Álvaro; Aréchiga-Ceballos, Nidia

doi:10.1007/s10344-023-01722-x

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“…Antibodies decay against certain microorganisms has been observed in procyonids (Villalobos et al 2020 ; Rendón-Franco et al 2023 ), as well as in both wild (Davidson et al 2009 ) and domestic animals against Trichinella (Hill et al 2007 ). An explanation is based in the survival of Trichinella within the host.…”

Section: Resultsmentioning

confidence: 99%

Search for antibodies against Trichinella in two synanthropic Procyonidae species from southeast Mexico: white-nosed coatis (Nasua narica) and raccoons (Procyon lotor)

Hernández-Ortiz,

Rendón-Franco,

Muñoz-García

et al. 2023

Vet Res Commun

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Trichinella is a nematode that are spread by the consumption of parasitized meat. Carnivora, a mammalian order, serve as key hosts for this parasite. However, evidence of Trichinella in wildlife from the Neotropics is extremely scarce, with reports documenting its presence only for five carnivore species: two Felidae, one Otariidae and two Mustelidae. Other widely distributed species that are consumed as bushmeat, such as Procyonidae, have not been studied in this context. A long-term study was performed for antibodies against Trichinella in coatis (Nasua narica) and common raccoons (Procyon lotor) in southeastern Mexico. Between the summer of 2009 to the winter 2013, a total of 291 coati samples and 125 raccoon samples were collected from a tropical green area located within an urban zone. An Enzyme-linked immunosorbent assay (ELISA) was used to detect antibodies against the excretory and secretory products of Trichinella spiralis muscle larva. ELISA-positive samples were further confirmed by Western Blot analysis. Results showed no evidence of antibodies during the first two years of study. However, in 2011, a sudden appearance of anti-Trichinella occurred. The seroprevalence reached its highest peak of 43% for coatis during winter 2013 and 53% for raccoons in summer 2013. This is the first study that provides evidence of Trichinella circulation within a neotropical procyonid community.

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