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Acta Parasitologica

, Volume 62, Issue 1, pp 129–132 | Cite as

Dictyocaulosis in dairy cows in Brazil: an epidemiological, clinical-pathological and therapeutic approach

  • Luan C. Henker
  • Claiton I. Schwertz
  • Neuber J. Lucca
  • Manoela M. Piva
  • Patricia Giacomin
  • Anderson Gris
  • Leandro A. Rhoden
  • Luke J. Norbury
  • Aleksandro S. da Silva
  • Rafael A. da Rosa
  • Ricardo E. MendesEmail author
Article

Abstract

An outbreak of severe parasitic pneumonia caused by Dictyocaulus viviparus was diagnosed in adult dairy cows in the municipality of Arabutã, Southern Brazil. The total morbidity in the herd was 71.9%, and the morbidity amongst adult lactating cattle was 100%. The main clinical signs observed were dyspnea, tachypnea, nasal discharge, decreased milk production, and cough. A necropsy was conducted on one animal in order to establish the diagnosis. The herd had been treated previously with levamisole; however, clinical signs persisted and became worse. After treatment with eprinomectin the severity of clinical signs decreased, and the respiratory condition subsequently disappeared. It is believed that the high morbidity presented in this outbreak is related to epidemiological factors, such as increased rainfall in 2014 and 2015, associated with low immunity of the herd. This is the first report of dictyocaulosis in adult dairy cattle in Brazil. Furthermore, it describes an outbreak presenting very high morbidity.

Keywords

Dictyocaulus viviparus lungworm dairy cattle high morbidity 

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Copyright information

© Witold Stefański Institute of Parasitology, Polish Academy of Sciences 2017

Authors and Affiliations

  • Luan C. Henker
    • 1
  • Claiton I. Schwertz
    • 1
  • Neuber J. Lucca
    • 1
  • Manoela M. Piva
    • 1
  • Patricia Giacomin
    • 1
  • Anderson Gris
    • 1
  • Leandro A. Rhoden
    • 1
  • Luke J. Norbury
    • 2
  • Aleksandro S. da Silva
    • 3
  • Rafael A. da Rosa
    • 4
  • Ricardo E. Mendes
    • 1
    Email author
  1. 1.Laboratory of Veterinary PathologyInstituto Federal Catarinense (IFC)ConcórdiaBrazil
  2. 2.Witold Stefanski Institute of ParasitologyPolish Academy of Sciences (PAN)WarsawPoland
  3. 3.Department of Animal ScienceUniversidade do Estado de Santa Catarina (UDESC)ChapecóBrazil
  4. 4.Cooperativa de Produção e Consumo Concórdia (COPÉRDIA)ConcórdiaBrazil

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