Prevalence of Mammomonogamus laryngeus (Strongylida: Syngamidae) nematodes in a bovine slaughterhouse

Diana Marcela Echeverry, Juan Miguel Rengifo, Jhon Carlos Castaño, Germán Alberto Téllez, María Mercedes González, .

Keywords: Strongylida infections, cattle diseases, host-parasite interactions, prevalence, epidemiology, Colombia

Abstract

Introduction. Mammomonogamus laryngeus is a nematode parasite that is usually found in the larynx of mammals in the tropics, especially in cattle, sheep and cats.
Objective. The prevalence of M. laryngeus was determined in cattle brought to an abattoir as an indicator of its prevalence in the general population.
Materials and methods. The present study was undertaken in the municipality of La Tebaida, Quindio, Colombia, to determine the presence of M. laryngeus infection in cattle brought to a local abattoir between December and February 2009. The tracheae and lungs of 500 slaughtered cattle were examined.
Results. Parasite prevalence was 14.8% (n=74). The majority of worms were located on aryteno-epiglottic folds, but never in the tracheae or bronchi. The infection rate was highest (47%) in 2 to 2.5 year old animals. In infected animals, an average of 6.4 parasite pairs was found, with higher numbers in older animals. The prevalence of infection in cattle was greater than seen in the provinces of Valle del Cauca (10.0%), Quindío(3,0%) pr Caquetá (1.2%).
Conclusions. Reports of this parasite in cattle indicate its circulation throughout Colombia and recommend surveillance studies where cattle are raised and prepared for human consumption.

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  • Diana Marcela Echeverry Programa de Biología, Facultad de Ciencias Básicas y Tecnológicas, Universidad del Quindío, Armenia, Colombia
  • Juan Miguel Rengifo Programa de Biología, Facultad de Ciencias Básicas y Tecnológicas, Universidad del Quindío, Armenia, Colombia
  • Jhon Carlos Castaño Grupo de Inmunología Molecular, Centro de Investigaciones Biomédicas, Facultad de Medicina, Universidad del Quindío, Armenia, Colombia
  • Germán Alberto Téllez Grupo de Inmunología Molecular, Centro de Investigaciones Biomédicas, Facultad de Medicina, Universidad del Quindío, Armenia, Colombia
  • María Mercedes González Grupo de Inmunología Molecular, Centro de Investigaciones Biomédicas, Facultad de Medicina, Universidad del Quindío, Armenia, Colombia

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How to Cite
1.
Echeverry DM, Rengifo JM, Castaño JC, Téllez GA, González MM. Prevalence of Mammomonogamus laryngeus (Strongylida: Syngamidae) nematodes in a bovine slaughterhouse. biomedica [Internet]. 2011 Mar. 31 [cited 2024 May 12];31(3):316-21. Available from: https://revistabiomedica.org/index.php/biomedica/article/view/328

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