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Canada - Avian influenza confirmed on southern Ontario duck farm - LP H5N2

Gert van der Hoek

Gert van der Hoek

In Memoriam - Editor, Senior Moderator
July 08, 2016, EDT.


OTTAWA — A duck farm in St. Catharines, Ont., has been placed under quarantine because of H5 avian influenza.

The Canadian Food Inspection Agency says preliminary testing has confirmed the presence of the virus and further testing is underway to determine its precise subtype and strain.

The CFIA says those results are expected within days.

In addition to the quarantine, the CFIA says it will draw up a surrounding surveillance zone for further testing and control measures.

The CFIA says all birds on the infected farm will be euthanized and it will oversee the cleaning and disinfection of barns, vehicles, equipment and tools to eliminate any infectious material that may remain.

Avian influenza rarely affects humans and does not pose a risk to food safety when poultry and poultry products are properly handled and cooked.
 
[h=1]Avian influenza confirmed on farm in Southern Ontario[/h]



Ottawa, July 7, 2016
Preliminary testing by the Canadian Food Inspection Agency (CFIA) has confirmed the presence of H5 avian influenza on a duck farm near St. Catharines, Ontario as a low pathogenic subtype. Pathogenicity refers to the severity of the illness caused in birds. Further testing by the CFIA is underway to confirm the precise subtype and strain of the virus. Results are expected within days.
The CFIA has placed the farm under quarantine to control disease spread and will determine a surrounding surveillance zone for further testing and movement control measures. The industry sector has been notified to adopt enhanced biosecurity practices.
Avian influenza does not pose a risk to food safety when poultry and poultry products are properly handled and cooked and rarely affects humans. Public health authorities stand ready to take precautionary measures as warranted.
All birds on the infected premises will be humanely euthanized and disposed of, in accordance with provincial environmental regulations and internationally accepted disease control guidelines, and the Province of Ontario will provide technical support on required carcass disposal. Once all birds have been removed, the CFIA will oversee the cleaning and disinfection of the barns, vehicles, equipment and tools to eliminate any infectious material that may remain.
The CFIA, the Province of Ontario, the owner of the infected birds, and the poultry industry are working closely together to manage the situation. Both levels of government will work with the poultry industry to address issues as they emerge. The Canadian poultry sector currently practices a high level of biosecurity that reduces the risk of disease spread.

http://news.gc.ca/web/article-en.do?nid=1095909


 
TORONTO — About 14,000 ducks quarantined at a commercial farm in St. Catharines, Ont., will be euthanized because of the H5N2 avian influenza.

Harpreet Kochhar, chief veterinary officer with the CFIA, says the virus is a low pathogenic subtype, meaning it causes a milder illness in birds.

The CFIA says all birds on the infected farm will be euthanized, and it will oversee the cleaning and disinfection of barns, vehicles, equipment and tools to eliminate any infectious material that may remain to guard against the virus spreading.
 
[h=1]Avian influenza investigation in Ontario - 2016[/h] [FONT=&quot]The Canadian Food Inspection Agency (CFIA) has confirmed the presence of low pathogenic H5N2 on a duck farm near St. Catharines, Ontario.

http://www.inspection.gc.ca/animals...ation-ontario/eng/1468009863147/1468009863813[/FONT]

-----------------------------------------------------------------------------------------------------------
The Canadian Food Inspection Agency Establishes Avian Influenza Control Zone

[FONT=&quot]July 10, 2016[/FONT]

[FONT=&quot]The Canadian Food Inspection Agency (CFIA) has established an Avian Influenza Control Zone in Ontario to control the movement of animals, products and equipment in the area to minimize disease spread.[/FONT]

[FONT=&quot]The boundary of the Avian Influenza Control Zone covers a 3km radius from the single premises confirmed to be infected with avian influenza, located near St. Catharines, Ontario.[/FONT]

[FONT=&quot]All premises located within this zone will be placed under quarantine; however, only the initial infected premises has confirmed positive for avian influenza. The Agency is monitoring all premises within the zone for any signs of disease.[/FONT]

[FONT=&quot]The Avian Influenza Control Zone is part of an internationally accepted practice to allow trade to continue from non-infected areas of a country. We continue to work very closely with industry and our international partners as this situation develops.[/FONT]

[FONT=&quot]Avian influenza does not pose a risk to food safety when poultry and poultry products are properly handled and cooked. Avian influenza rarely affects humans that do not have consistent contact with infected birds.[/FONT]

[FONT=&quot]Poultry farmers are reminded to practice a high level of biosecurity to reduce the risk of disease spread, and report any suspicious symptoms in their flocks to the CFIA.[/FONT]

[FONT=&quot]For more information on avian influenza and measures poultry farmers can take to protect their flocks, please visit theNotifiable Avian Influenza page on the CFIA website.

http://www.inspection.gc.ca/animals/.../1468091427506[/FONT]
 
[TABLE="class: TableChoisir, border: 0, cellpadding: 0, cellspacing: 0"]
[TR]
[TD]

[TD="width: *, align: left"] Low pathogenic avian influenza (poultry),
Canada
[/TD]
[TD="width: 1%, align: right"] [/TD]
[/TD]
[/TR]
[TR]
[TD] [TABLE="class: TableChoisir, border: 0, cellpadding: 0, cellspacing: 0"]
[TR]
[TD="class: topbigtabletitle27"]Information received on 08/07/2016 from Dr Martine Dubuc, OIE Delegate for Canada, Chief Food Safety Officer Vice-President, Science Branch, Health Ministry, Canadian Food Inspection Agency, Ottawa, Canada[/TD]
[/TR]
[/TABLE]
[/TD]
[/TR]
[TR]
[TD] Summary
[TABLE="class: TableFoyers, width: 917"]
[TR]
[TD="class: filtrer_th, width: 10%"]Report type[/TD]
[TD="width: 30%"]Immediate notification[/TD]
[/TR]
[TR]
[TD="class: filtrer_th, width: 10%"]Date of start of the event[/TD]
[TD="width: 30%"]04/07/2016[/TD]
[/TR]
[TR]
[TD="class: filtrer_th, width: 10%"]Date of confirmation of the event[/TD]
[TD="width: 30%"]07/07/2016[/TD]
[/TR]
[TR]
[TD="class: filtrer_th, width: 10%"]Report date[/TD]
[TD="width: 30%"]08/07/2016[/TD]
[/TR]
[TR]
[TD="class: filtrer_th, width: 10%"]Date submitted to OIE[/TD]
[TD="width: 30%"]08/07/2016[/TD]
[/TR]
[TR]
[TD="class: filtrer_th, width: 10%"]Reason for notification[/TD]
[TD="width: 30%"]Reoccurrence of a listed disease[/TD]
[/TR]
[TR]
[TD="class: filtrer_th, width: 10%"]Date of previous occurrence[/TD]
[TD="width: 30%"]22/02/2011[/TD]
[/TR]
[TR]
[TD="class: filtrer_th, width: 10%"]Manifestation of disease[/TD]
[TD="width: 30%"]Sub-clinical infection[/TD]
[/TR]
[TR]
[TD="class: filtrer_th, width: 10%"]Causal agent[/TD]
[TD="width: 30%"]Low pathogenic avian influenza virus[/TD]
[/TR]
[TR]
[TD="class: filtrer_th, width: 10%"]Serotype[/TD]
[TD="width: 30%"]H5N2[/TD]
[/TR]
[TR]
[TD="class: filtrer_th, width: 10%"]Nature of diagnosis[/TD]
[TD="width: 30%"]Laboratory (advanced)[/TD]
[/TR]
[TR]
[TD="class: filtrer_th, width: 10%"]This event pertains to[/TD]
[TD="width: 30%"]a defined zone within the country[/TD]
[/TR]
[/TABLE]
[/TD]
[/TR]
[TR]
[TD] New outbreaks (1)
[TABLE="class: TableFoyers, width: 918"]
[/TABLE]

[/TD]
[/TR]
[TR]
[TD] [TABLE="class: TableFoyers, width: 917"]
[TR]
[TD="class: filtrer_th ta_left, align: left"]Outbreak 1 (ONT-2016-NAI-001)[/TD]
[TD="class: filtrer_th ta_left"]St. Catharines, ONTARIO[/TD]
[/TR]
[TR]
[TD="class: filtrer_th ta_left"]Date of start of the outbreak[/TD]
[TD]04/07/2016[/TD]
[/TR]
[TR]
[TD="class: filtrer_th ta_left"]Outbreak status[/TD]
[TD]Continuing (or date resolved not provided)[/TD]
[/TR]
[TR]
[TD="class: filtrer_th ta_left"]Epidemiological unit[/TD]
[TD]Farm[/TD]
[/TR]
[TR]
[TD="class: filtrer_th ta_left"]Affected animals[/TD]
[TD] [TABLE="class: TableFoyers, width: 711"]
[TR]
[TD="class: filtrer_th ta_center last"]Species[/TD]
[TD="class: filtrer_th ta_center last"]Susceptible[/TD]
[TD="class: filtrer_th ta_center last"]Cases[/TD]
[TD="class: filtrer_th ta_center last"]Deaths[/TD]
[TD="class: filtrer_th ta_center last"]Destroyed[/TD]
[TD="class: filtrer_th ta_center last"]Slaughtered[/TD]
[/TR]
[TR]
[TD]Birds[/TD]
[TD="class: ta_right"]14000[/TD]
[TD="class: ta_right"]13[/TD]
[TD="class: ta_right"]0[/TD]
[TD="class: ta_right"]0[/TD]
[TD="class: ta_right"]0[/TD]
[/TR]
[/TABLE]
[/TD]
[/TR]
[TR]
[TD="class: filtrer_th ta_left"]Affected population[/TD]
[TD]Domestic duck farm with 2 barns. The barn affected contains 14,000 10-12 week old ducks. No clinical signs or mortality. Second barn empty.[/TD]
[/TR]
[/TABLE]

[/TD]
[/TR]
[TR]
[TD] [TABLE="class: TableFoyers, width: 917"]
[TR]
[TD="class: filtrer_th ta_left, align: left"]Summary of outbreaks[/TD]
[TD="class: filtrer_th ta_left"]Total outbreaks: 1[/TD]
[/TR]
[TR]
[TD="class: filtrer_th ta_left"]Total animals affected[/TD]
[TD] [TABLE="class: TableFoyers, width: 744"]
[TR]
[TD="class: filtrer_th ta_center last"]Species[/TD]
[TD="class: filtrer_th ta_center last"]Susceptible[/TD]
[TD="class: filtrer_th ta_center last"]Cases[/TD]
[TD="class: filtrer_th ta_center last"]Deaths[/TD]
[TD="class: filtrer_th ta_center last"]Destroyed[/TD]
[TD="class: filtrer_th ta_center last"]Slaughtered[/TD]
[/TR]
[TR]
[TD]Birds[/TD]
[TD="class: ta_right"]14000[/TD]
[TD="class: ta_right"]13[/TD]
[TD="class: ta_right"]0[/TD]
[TD="class: ta_right"]0[/TD]
[TD="class: ta_right"]0[/TD]
[/TR]
[/TABLE]
[/TD]
[/TR]
[TR]
[TD="class: filtrer_th ta_left"]Outbreak statistics[/TD]
[TD] [TABLE="class: TableFoyers, width: 744"]
[TR]
[TD="class: filtrer_th ta_center last"]Species[/TD]
[TD="class: filtrer_th ta_center last"]Apparent morbidity rate[/TD]
[TD="class: filtrer_th ta_center last"]Apparent mortality rate[/TD]
[TD="class: filtrer_th ta_center last"]Apparent case fatality rate[/TD]
[TD="class: filtrer_th ta_center last"]Proportion susceptible animals lost*[/TD]
[/TR]
[TR]
[TD]Birds[/TD]
[TD="class: ta_right"]0.09%[/TD]
[TD="class: ta_right"]0.00%[/TD]
[TD="class: ta_right"]0.00%[/TD]
[TD="class: ta_right"]0.00%[/TD]
[/TR]
[/TABLE]
[/TD]
[/TR]
[TR]
[TD="class: filtrer_th ta_left, colspan: 2"]*Removed from the susceptible population through death, destruction and/or slaughter[/TD]
[/TR]
[/TABLE]

[/TD]
[/TR]
[TR]
[TD] Epidemiology
[TABLE="class: TableFoyers, width: 917"]
[TR]
[TD="class: filtrer_th ta_left"]Source of the outbreak(s) or origin of infection[/TD]
[TD]
  • Unknown or inconclusive
[/TD]
[/TR]
[TR]
[TD="class: filtrer_th ta_left"]Epidemiological comments[/TD]
[TD]On July 4, 2016, 30 birds from a domestic duck farm were sampled as part of an export surveillance testing for avian influenza and were submitted to the National Centre for Foreign Animal Disease (NCFAD). The ducks were clinically healthy. Total RNA was extracted from 30 swab samples; 15 tested positive for influenza A matrix, and 13 for H5 using real time RT-PCR assays. The neuraminidase was typed as N2 using short N-typing conventional RT-PCR assay. The sequence of hemagglutinin cleavage site motif is consistent with LPAI viruses of H5 subtype. Top matches of the sequenced 426 bp RT-PCR product are North American wild bird origin LPAI viruses of H5 subtype.[/TD]
[/TR]
[/TABLE]
[/TD]
[/TR]
[TR]
[TD] [/TD]
[/TR]
[TR]
[TD] Control measures
[TABLE="class: TableFoyers, width: 917"]
[TR]
[TD="class: filtrer_th ta_left"]Measures applied[/TD]
[TD]
  • Movement control inside the country
  • Screening
  • Traceability
  • Quarantine
  • Surveillance outside containment and/or protection zone
  • Surveillance within containment and/or protection zone
  • Zoning
  • Vaccination prohibited
  • No treatment of affected animals
[/TD]
[/TR]
[TR]
[TD="class: filtrer_th ta_left"]Measures to be applied[/TD]
[TD]
  • Disinfection / Disinfestation
  • Stamping out
  • Official disposal of carcasses, by-products and waste
[/TD]
[/TR]
[/TABLE]
[/TD]
[/TR]
[TR]
[TD] Diagnostic test results
[TABLE="class: TableFoyers, width: 917"]
[TR]
[TD="class: filtrer_th ta_left"]Laboratory name and type[/TD]
[TD="class: filtrer_th ta_left"]Species[/TD]
[TD="class: filtrer_th ta_left"]Test[/TD]
[TD="class: filtrer_th ta_left"]Test date[/TD]
[TD="class: filtrer_th ta_left last"]Result[/TD]
[/TR]
[TR]
[TD="class: filtrer"]National Centre for Foreign Animal Disease - CFIA (National laboratory)[/TD]
[TD="class: filtrer"]Birds[/TD]
[TD="class: filtrer"]real-time reverse transcriptase/polymerase chain reaction (RRT-PCR)[/TD]
[TD="class: filtrer"]07/07/2016[/TD]
[TD="class: filtrer cb-centree last"]Positive[/TD]
[/TR]
[TR]
[TD="class: filtrer"]National Centre for Foreign Animal Disease - CFIA (National laboratory)[/TD]
[TD="class: filtrer"]Birds[/TD]
[TD="class: filtrer"]reverse transcription - polymerase chain reaction (RT-PCR)[/TD]
[TD="class: filtrer"]07/07/2016[/TD]
[TD="class: filtrer cb-centree last"]Positive[/TD]
[/TR]
[TR]
[TD="class: filtrer"]National Centre for Foreign Animal Disease - CFIA (National laboratory)[/TD]
[TD="class: filtrer"]Birds[/TD]
[TD="class: filtrer"]virus sequencing[/TD]
[TD="class: filtrer"]07/07/2016[/TD]
[TD="class: filtrer cb-centree last"]Positive[/TD]
[/TR]
[/TABLE]
[/TD]
[/TR]
[TR]
[TD] Future Reporting
[TABLE="class: TableFoyers, width: 917"]
[TR]
[TD="class: filtrer"]The event is continuing. Weekly follow-up reports will be submitted.[/TD]
[/TR]
[/TABLE]
[/TD]
[/TR]
[/TABLE]

...
http://www.oie.int/wahis_2/public/w...?page_refer=MapFullEventReport&reportid=20434
 
Source: http://www.niagarafallsreview.ca/2016/10/24/wild-fowl-caused-lincoln-duck-farm-outbreak

Wild fowl caused Lincoln duck farm outbreak
By Maryanne Firth, St. Catharines Standard
Monday, October 24, 2016 5:09:17 EDT PM

It was through contact with wild fowl that an outbreak of avian influenza occurred on a Lincoln duck farm this summer.

But wild birds, including migratory waterfowl, have played a much larger role in the spread of the virus into Europe and North America.

That was the conclusion reached by a group of scientists from across the globe, who recently published their findings focused on avian influenza and the impact of migratory birds...
 
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