Molecular Surveillance for Lymphoproliferative Disease Virus and Reticuloendotheliosis Virus in Rio Grande Wild Turkeys (Meleagris gallopavo intermedia) in Texas, USA.

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  • Additional Information
    • Source:
      Publisher: Wildlife Disease Association Country of Publication: United States NLM ID: 0244160 Publication Model: Print Cited Medium: Internet ISSN: 1943-3700 (Electronic) Linking ISSN: 00903558 NLM ISO Abbreviation: J Wildl Dis Subsets: MEDLINE
    • Publication Information:
      Publication: Lawrence, KS : Wildlife Disease Association
      Original Publication: Ames, Iowa, Wildlife Disease Assn.
    • Subject Terms:
      Reticuloendotheliosis virus*; Animals ; Phylogeny ; Texas/epidemiology ; West Virginia
    • Abstract:
      Reticuloendotheliosis virus (REV) and lymphoproliferative disease virus (LPDV) are avian retroviruses that can cause neoplastic disease and present with similar pathologies. Lymphoproliferative disease virus has been reported in the Eastern US and states bordering Texas, USA, but has not been previously detected within the state. In a prior study, we detected REV in native Rio Grande Wild Turkeys (Meleagris gallopavo intermedia) and an Eastern Wild Turkey (Meleagris gallopavo silvestris) originating from West Virginia. Given LPDV detection in states bordering Texas and our finding of an REV-positive Eastern Wild Turkey imported from a LPDV endemic region, we sought to determine LPDV prevalence in Texas and continue surveillance for REV. During 2018-20, dried blood spots from 373 individual Rio Grande Wild Turkeys from 20 different counties were tested for the presence of proviral REV or LPDV DNA. In affected counties, approximately 4% of individuals were infected with REV (7/197) or LPDV (10/273) and one bird was coinfected with both viruses. Phylogenetic analysis indicated a close relationship of the LPDV isolates to variants from other Southern and Central states. This study provides molecular evidence of LPDV in Texas, and continued surveillance is necessary to determine the potential effects of the virus on reproductive success, coinfections, and overall health of Wild Turkey populations.
      (© Wildlife Disease Association 2022.)
    • Contributed Indexing:
      Keywords: Avian retrovirus; Wild Turkeys; lymphoproliferative disease virus; reticuloendotheliosis virus
    • Publication Date:
      Date Created: 20221028 Date Completed: 20221215 Latest Revision: 20221223
    • Publication Date:
      20231215
    • Accession Number:
      10.7589/JWD-D-22-00023
    • Accession Number:
      36305745