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The prevalence and risk factors of liver fluke infection in Mexican horses, donkeys and mules in tropical and temperate regions

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Abstract

The objective of the present study was to determine the seroprevalence of Fasciola hepatica infection in horses, donkeys and mules from different climate regions in two states of Mexico. A total of 594 serum samples were analysed for immunoglobulin G (IgG) antibodies using enzyme-linked immunosorbent assay (ELISA), with excretory-secretory (E/S) products as the antigen. The diagnostic sensitivity and specificity of serum IgG ELISA were 100% and 97.2%, respectively. We collected data using a questionnaire. The overall prevalence of the parasite in equids between May 2018 and April 2019 was 13.1% (78 out of 594). The highest prevalence was found in mules (17.9%), followed by that in donkeys (13.9%) and horses (10.4%). In addition, the highest percentage of positive equines was detected in samples from the tropical climate (17.5%). The identification of risk factors was assessed by bivariate logistic regression analysis. Mules had 8.608 times higher risk for F. hepatica infections as compared with horses (odds ratio (OR) 8.608; 95% confidence interval (CI): 2.809–26.377), while the OR for 6–10-year-old equines was 93.375 compared with that of young equines (≤ 5 years old) (OR 93.375; 95% CI: 11.075–787.239). Likewise, tropical climate equines had 83.7% increased odds for fasciolosis (OR 1.83).

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Funding

This study was supported by Benemérita Universidad Autónoma de Puebla (VIEP-VIMA-NAT-18-I).

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Correspondence to Abel Villa-Mancera.

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This study was approved by the local Animal Care and Ethics Committee of the Meritorious Autonomous University of Puebla, and all procedures complied with National Legislation Pertaining to Animal Health Research.

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The authors declare that they have no conflicts of interest.

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Section Editor: Abdul Jabbar

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Villa-Mancera, A., Reynoso-Palomar, A. The prevalence and risk factors of liver fluke infection in Mexican horses, donkeys and mules in tropical and temperate regions. Parasitol Res 119, 3699–3703 (2020). https://doi.org/10.1007/s00436-020-06910-1

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  • DOI: https://doi.org/10.1007/s00436-020-06910-1

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