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LPAI H5N8 Outbreak Response

LPAI H5N8 Outbreak Response. Caldwell Idaho August-October, 2008. Background: Premises Information. Northwest Gamebirds 25 acres located ~17 miles East of the Oregon-Idaho border ~30,000 game birds Pheasants Chukar Mallard ducks Quail Pigeons 15-20 free-roaming chickens.

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LPAI H5N8 Outbreak Response

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  1. LPAI H5N8 Outbreak Response Caldwell Idaho August-October, 2008

  2. Background:Premises Information • Northwest Gamebirds • 25 acres located ~17 miles East of the Oregon-Idaho border • ~30,000 game birds • Pheasants • Chukar • Mallard ducks • Quail • Pigeons • 15-20 free-roaming chickens

  3. Background:Premises Information • 5 barns / 6 large flight pens • partitioned into smaller pens • Pigeons and quail are housed in smaller coops separate from the game bird population

  4. Ducks Pheasants N Ducks Ducks Incubator, Hatchery Pheasants Pheasants Pheasants Pigeons Pigeons, Quail, Chukars, juv. Pheasants

  5. Background • Birds are sold for hunting dog field trials, dog training, or to hunting preserves • Birds at dog trials are dead by end of event. • NPIP participant • July 19-2008: • Last tested negative for AI by PCR • 10 Mallards • 10 Pheasants • 10 Chukar

  6. Background:History of Current Outbreak • Reoccurring problems with MG and pasturellosis in his flock • August 2008: pheasants with low grade respiratory illness • not associated with major mortality • Submitted 3 birds to Penn State University Animal Diagnostic Laboratory

  7. Background:History of Current Outbreak • Cultured Pasturella and Mycoplasma • Routine AI test positive by PCR • August 29, 2008: • NVSL confirmed H5 positive and N1 negative • Premises quarantined by ISDA • Enhanced flock testing • 20 groups of birds • 14 groups of ducks or pheasants showed evidence of H5N8 and other types of AI infection.

  8. Background:History of Current Outbreak • September 2, 2008: • NVSL confirmed Low Path H5N8 • Sequencing results showed similarities with: • 98.5% A/mallard/BC/373/2005 H5N2 • 98.3% A/tundra swan/AK/44049-168/2006 H5N2 • September 3, 2008: officially reported • September 4, 2008: reported to OIE

  9. Responding Agencies • Idaho State Department of Agriculture (6) • USDA / APHIS (5) • Idaho State Fish and Wildlife (1) • CDC / Idaho State Department of Health (1) • WSDA (4) • OSDA (1)

  10. Activities:Timeline • September 2-21: • Indemnity negotiations • Submit cooperative agreement to USDA • Research and planning • September 2-23: Epi Investigation • September 21-22: Staging • September 22-27: Depopulation and Disposal • September 29-Present: C&D

  11. Epi Activities • Trace-in / Trace-out • Washington State received 2 shipments on Aug. 8 • Son-in-law’s gamebirds • Enhanced Surveillance • Surveillance zone: 3 Km radius • ~20 premises had small flocks • 2 rounds of testing 10-14 days apart • First AI testing: blood (antibody) and swabs (virus) • Second AI testing: swabs

  12. Staging • Established working zones • Set up decontamination stations • Cleaned work areas • Prepared premises for foaming activities

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