Avian metapneumovirus subtype A in China and subtypes A and B in Nigeria

A. A. Owoade, M. F. Ducatez, J. M. Hübschen, A. Sausy, H. Chen, Y. Guan, C. P. Muller

Research output: Contribution to journalArticleResearchpeer-review

26 Citations (Scopus)


In order to detect and characterize avian metapneumovirus, organs or swabs were collected from 697 chicken and 110 turkeys from commercial farms in Southwestern Nigeria and from 107 chickens from live bird markets in Southeastern China. In Nigeria, 15% and 6% of the chicken and turkey samples, respectively, and 39% of the chicken samples from China, were positive for aMPV genome by PCR. The sequence of a 400 nt fragment of the attachment protein gene (G gene) revealed the presence of aMPV subtype A in both Nigeria and Southeastern China. Essentially identical subtype A viruses were found in both countries and were also previously reported from Brazil and the United Kingdom, suggesting a link between these countries or a common source of this subtype. In Nigeria, subtype B was also found, which may be a reflection of chicken importations from most major poultry-producing countries in Europe and Asia. In order to justify countermeasures, further studies are warranted to better understand the metapneumoviruses and their impact on poultry production.

Original languageEnglish
Pages (from-to)502-506
Number of pages5
JournalAvian Diseases
Issue number3
Publication statusPublished - Sept 2008


  • Avian metapneumovirus
  • China
  • Mixed infection
  • Nigeria


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