Diagnosis and Control of a LPAI H5N8 Outbreak in a Japanese Quail (Coturnix coturnix japonica) Commercial Flock in the Central Valley of California

Silvia Carnaccini, Beate Crossley, Richard Breitmeyer, Bruce R. Charlton, Mark Bland, Kent Fowler, Felicia De La Torre, Mia Kim Torchetti, Sook San Wong, Dennis Wilson, Annette Jones, Carlos G Senties-cue

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

In April 2014 an outbreak of low pathogenic avian influenza H5N8 North American genetic lineage was diagnosed in a commercial quail operation in Stanislaus County, California. Sudden increase in mortality prompted the submission of 20 Japanese quail hens (Coturnix c. japonica) to the California Animal Health and Food Safety Laboratory, Turlock Branch. Oropharyngeal and cloacal swabs tested positive for influenza A virus H5N8 by real-time reverse transcription-polymerase chain reaction. The virus was subsequently isolated. In vivo assay and sequencing of the hemagglutinin protein cleavage site classified the virus as a North American genetic lineage of low pathogenicity for chickens. Following the diagnosis, a rapid and coordinated response took place to contain the outbreak. The affected premise was depopulated, cleaned, and disinfected. Three areas from the affected premises-a 3 kilometer (km) radius (High Risk Zone), a 3-10 km area (Buffer Zone), and a 10-20 km (Surveillance Zone)-were established for avian influenza testing of commercial and noncommercial poultry operations. Surveillance testing and rapid control measures were successful in the control and eradication of the outbreak and revealed no area of spread of the virus from the index flock. This report describes the history, diagnosis, surveillance, and control measures applied to manage this outbreak.

Original languageEnglish (US)
Pages (from-to)344-348
Number of pages5
JournalAvian Diseases
Volume59
Issue number2
DOIs
StatePublished - Jun 1 2015

Fingerprint

Central Valley of California
Coturnix
Disease Outbreaks
flocks
avian influenza
viruses
Influenza in Birds
monitoring
control methods
Viruses
hemagglutinins
quails
Influenza A virus
animal health
Quail
food safety
Food Safety
hens
Protein Sequence Analysis
poultry

Keywords

  • avian influenza
  • California
  • control
  • duck
  • H5
  • LPAI
  • outbreak
  • quail

ASJC Scopus subject areas

  • Animal Science and Zoology
  • Food Animals
  • Immunology and Microbiology(all)

Cite this

Diagnosis and Control of a LPAI H5N8 Outbreak in a Japanese Quail (Coturnix coturnix japonica) Commercial Flock in the Central Valley of California. / Carnaccini, Silvia; Crossley, Beate; Breitmeyer, Richard; Charlton, Bruce R.; Bland, Mark; Fowler, Kent; De La Torre, Felicia; Torchetti, Mia Kim; Wong, Sook San; Wilson, Dennis; Jones, Annette; Senties-cue, Carlos G.

In: Avian Diseases, Vol. 59, No. 2, 01.06.2015, p. 344-348.

Research output: Contribution to journalArticle

Carnaccini, S, Crossley, B, Breitmeyer, R, Charlton, BR, Bland, M, Fowler, K, De La Torre, F, Torchetti, MK, Wong, SS, Wilson, D, Jones, A & Senties-cue, CG 2015, 'Diagnosis and Control of a LPAI H5N8 Outbreak in a Japanese Quail (Coturnix coturnix japonica) Commercial Flock in the Central Valley of California', Avian Diseases, vol. 59, no. 2, pp. 344-348. https://doi.org/10.1637/11018-011515-Case
Carnaccini, Silvia ; Crossley, Beate ; Breitmeyer, Richard ; Charlton, Bruce R. ; Bland, Mark ; Fowler, Kent ; De La Torre, Felicia ; Torchetti, Mia Kim ; Wong, Sook San ; Wilson, Dennis ; Jones, Annette ; Senties-cue, Carlos G. / Diagnosis and Control of a LPAI H5N8 Outbreak in a Japanese Quail (Coturnix coturnix japonica) Commercial Flock in the Central Valley of California. In: Avian Diseases. 2015 ; Vol. 59, No. 2. pp. 344-348.
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