Susceptibility of llamas (Lama glama) to infection with foot-and-mouth-disease virus

Zentralblatt für Veterinärmedizin. Reihe B. Journal of veterinary medicine. Series B
N A FondevilaC A Mebus

Abstract

An experimental trial was conducted to evaluate the ability of foot-and-mouth-disease (FMD) virus (serotypes A79, C3, O1) to infect susceptible llamas exposed either directly to affected livestock, or indirectly to llamas that had been directly exposed to affected livestock. In addition, susceptible livestock species (cattle, pigs, goats, and sheep) were exposed to those llamas that had been both directly and indirectly exposed to the FMD virus to further look at potential transmission possibilities. Of 30 llamas directly exposed to the FMD virus, only three (3/30) showed evidence of infection, and of those, only two (2/30) had mild clinical signs. No FMD virus was isolated from either oesophageal-pharyngeal (OP) fluid or blood samples collected from the infected llamas beyond 14 days post-exposure. There was no evidence of virus transmission between the directly exposed and indirectly exposed llamas or between both groups of llamas and susceptible domestic livestock, as determined by the lack of clinical signs, by virus isolation, and by serology results. These results provide further evidence that llamas are resistant to FMD infection, and that they play a minor role, if any, in transmitting the virus to domestic livestock.

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Citations

Aug 11, 2004·The Veterinary Journal·U Wernery, O-R Kaaden
Apr 29, 2004·Veterinary Immunology and Immunopathology·Raadan OdbilegMisao Onuma
Nov 22, 2002·Research in Veterinary Science·Gareth Davies
Jan 16, 2003·Virus Research·Paul SutmollerKeith J Sumption
May 23, 2009·The Veterinary Clinics of North America. Food Animal Practice·Sanjay KapilJames F Evermann
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Mar 9, 2018·Archives of Virology·Waqas AliMuhammad Salah Ud Din Shah
Apr 29, 2004·Journal of the American Veterinary Medical Association·Jeffrey M B Musser

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