Statistical approach to Trichinella infection in horses handled by rural slaughterhouses across five distinctive socioeconomic regions in Mexico
2020
Solís-Hernández, David | Saucedo-Gutiérrez, Karla-Lorena | Meza-Lucas, Antonio | Gómez-de-Anda, Fabián-Ricardo | Medina-Lerena, Miriam-Susana | García-Rodea, Ricardo | Corona-Souza, María-Teresa | Pérez-Ramírez, Miguel-Ángel | Vega-Sánchez, Vicente | de-la-Rosa-Arana, Jorge-Luis
This work aimed to investigate the prevalence of Trichinella infection in horses (Equus ferus caballus) handled by rural slaughterhouses across five distinctive socioeconomic regions in Mexico. Serum samples were obtained by non-probabilistic convenience sampling in the Eastern, Southern Central and Western regions (100 samples of each). Additionally, muscle tissue samples were collected from the East (n=45), Southeastern (n=88), Southern Central (n=39) and Southwestern (n=11) regions. Antibodies were determined by Western blot and the muscle tissue was examined by artificial digestion. A global antibody prevalence of 2% was obtained. Regionally, a prevalence of 5% was observed in the East and 1% in the Southern Central region. No antibodies were detected in the West region and no larvae were found in the muscle tissue samples. These findings support the low presence of Trichinella in Mexican horses, which can positively impact the Mexican horse meat trade.
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