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Copro-prevalence of Fasciola hepatica in Chilean breed horses in the province of Concepción, Chile

Abstract The aim of this research was to assess the copro-prevalence of Fasciola hepatica in owned Chilean breed horses (Equus caballus) residing in the province of Concepción, Chile. The study was carried out throughout October 2017. Samples were taken from all (100%) Chilean breed horse (124 speci...

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Published in:Revista brasileira de parasitologia veterinaria 2020-01, Vol.29 (2), p.e019019-e019019
Main Authors: Muñoz, Lisandro, Sepúlveda-Calderón, Paula, Villaguala-Pacheco, Carmen, Aqueveque, Carlos Landaeta
Format: Article
Language:English
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Summary:Abstract The aim of this research was to assess the copro-prevalence of Fasciola hepatica in owned Chilean breed horses (Equus caballus) residing in the province of Concepción, Chile. The study was carried out throughout October 2017. Samples were taken from all (100%) Chilean breed horse (124 specimens; 45 females and 79 males, aged between 7 months and 24 years old) from the Concepción province. A rectal stool sample was obtained from each animal. This was analyzed using the Army Medical School method (AMS III) technique to detect F. hepatica eggs. Information about the horse’s age, sex, previous fasciolicide application, and an assessment of body condition was also obtained. Fisher tests were carried out to analyze the results. Ten horses (8.06%) were positive for the presence of F. hepatica eggs. No significant difference of copro-prevalence was found between age (young 8.47%, old 7.69%), sex (female 11.1%, male 6.33%), the previous application of fasciolicide (dewormed 10%, not dewormed 7.89%), or body condition (low condition 11.1%, high condition 0.7%) categories (Fisher tests: P>0.05 in all cases). The results of this study suggest that Chilean breed horses constitute part of the reservoir of F. hepatica for both ruminant populations and humans in the Concepción province. Resumo O objetivo desta pesquisa foi avaliar a coproprevalência de Fasciola hepatica em equinos chilenos (Equus caballus), residentes na província de Concepción, região de Bío-Bío, Chile. O estudo foi realizado durante o mês de outubro de 2017. Foram coletadas amostras de todos os equinos estabulados (124 espécimes; 45 fêmeas e 79 machos, com idades entre 7 meses e 24 anos) da província de Concepción. Uma amostra de fezes transretal foi obtida de cada animal, analisada no Laboratório “Dr. Luis Rubilar”, da Universidad de Concepción, usando-se a técnica AMS III, para detectar a presença de ovos de F. hepatica. O diagnóstico fecal foi complementado com informações sobre a idade do animal, sexo, aplicação prévia de fasciolicida e uma avaliação da condição corporal. Testes de Fisher foram realizados para analisar os resultados. Dos 124 equinos, 10 (8,06%) foram positivos para ovos de F. hepatica. Não foi encontrada associação significativa entre idade, sexo, aplicação prévia de fasciolicida ou condição corporal com a presença de ovos. Um cavalo tratado com triclabendazol foi positivo para ovos de F. hepatica.
ISSN:0103-846X
1984-2961
1984-2961
DOI:10.1590/s1984-29612020020