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Revista de la Facultad de Medicina Veterinaria y de Zootecnia
Print version ISSN 0120-2952
Abstract
MOLINA, V. M et al. POSSIBLE RESISTANCE OF Dictyocaulus viviparus TO FENBENDAZOLE IN A BOVINE. Rev. Med. Vet. Zoot. [online]. 2016, vol.63, n.1, pp.54-63. ISSN 0120-2952. https://doi.org/10.15446/rfmvz.v63n1.56904.
It describe the clinical case of a possible resistance to fenbendazole in a Jersey calf infested by Dictyocaulus viviparous described. In the municipality of Entrerrios (Antioquia, Colombia) a female Jersey breed of 6 months of age, presented serious sings of bronchopneumonia. which did not improve with the application of fenbendazole and enrofloxacin as maintenance therapy. At the necropsy, a large number of live parasites compatible with Dictyocaulus viviparus were observed, determining a verminous bronchitis. This nematode, which is routinely treated with fenbendazole in Colombian dairy farms, has been proved resistance when is trated with some benzimidazoles. This specific case shows the possible causes of the Dictyocaulus viviparus resistance in Jersey calf.
Keywords : anthelmintic; benzimidazole; cough; cow; nematode.