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Susceptibility of turkeys to pandemic-H1N1 virus by reproductive tract insemination
- Pantin-Jackwood, Mary, Wasilenko, Jamie L., Spackman, Erica, Suarez, David L., Swayne, David E.
- Virology journal 2010 v.7 no.27
- Influenza A virus, egg production, eggs, exposure pathways, humans, influenza, inoculation methods, insemination, pandemic, pathogenesis, swine, turkey hens, uterus, viruses, Canada, Chile, Mexico
- The current pandemic influenza A H1N1 2009 (pH1N1) was first recognized in humans with acute respiratory diseases in April 2009 in Mexico, in swine in Canada in June, 2009 with respiratory disease, and in turkeys in Chile in June 2009 with a severe drop in egg production. Several experimental studies attempted to reproduce the disease in turkeys, but failed to produce respiratory infection in turkeys using standard inoculation routes. We demonstrated that pH1N1 virus can infect the reproductive tract of turkey hens after experimental intrauterine inoculation, causing decreased egg production. This route of exposure is realistic in modern turkey production because turkey hens are handled once a week for intrauterine insemination in order to produce fertile eggs. This understanding of virus exposure provides an improved understanding of the pathogenesis of the disease and can improve poultry husbandry to prevent disease outbreaks.