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Posts Tagged ‘PEDv’

Ontario has gone four months without a confirmed case of PED.  Now is the time to maintain strict on-farm biosecurity protocols to prevent PED infection in your pigs.

Watch for Clinical Signs

  • Sudden onset of watery diarrhea +/- vomiting in all ages of pigs
  • High mortality in piglets

If you suspect that your pigs may be infected with PED virus, contact your veterinarian immediately. He or she will provide strategies to help you to manage the disease. Be vigilant and watch for early signs of scouring.

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PED Reminder for Transporters

Reposted from an Ontario Pork Industry Council E-notice.

OPIC PED Notice

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Good biosecurity is the best way to keep PED out of your barn. Transporters and producers should review their transport biosecurity protocols in light of a new case of PED being diagnosed.   Two good resources are ColdWeatherTrailerDisinfection.pdf and Truck Wash Video LinkMore Transportation Biosecurity Information

Reprinted from an OPIC December 11, 2014 E-Notice:

A new PED case was diagnosed in Ontario Dec 8, 2014. The case was diagnosed at an all in/all out finishing barn in Oxford County. This case is related to the Niagara case diagnosed December 2nd. The producer and his veterinarian immediately implemented a control and elimination plan for the farm and have arranged for orderly marketing to reduce risks to the industry. They are participating in the OSHAB PED ARC&E and have notified key service providers.

The PEDV infection in this barn was introduced from a PEDV contaminated trailer. Earlier in the day, a cleaned and disinfected trailer picked up market hogs at another finisher barn within this production system in the Niagara area. After delivering market hogs to the processing plant, the back end of the trailer was scraped forward into the belly and the rear compartment was disinfected. This scraped and disinfected trailer was then used to pick up an additional load of market hogs at this barn in Oxford County. The Niagara area barn was diagnosed with PED the next day. There are no other related sites with suspect signs and all related sites has tested negative. The production system is assessing risk reduction transportation strategies.

Please review your biosecurity procedures on farm and consider your transport protocols.

Our thanks to the producer for his rapid response and transparency as we work together as an industry to control and eliminate PED cases in Ontario this fall and winter.

Lori Moser
OPIC/OSHAB/OPC Managing Director
Cell 519-577-6742 (OPIC)
Home office 519-684-6805
Fax 519-272-2215

 

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As a new case of PED is reported in Ontario, now is a good time to review your biosecurity procedures. Visit Ontario.ca/swine for a listing of biosecurity resources. door sign cropped

Reposted from Ontario Pork Industry Council E-Notice:

PED Notice December 6, 2014

A new PED case was diagnosed in Ontario Dec 2, 2014. The case was diagnosed at an all in/all out finishing barn in the Niagara region. The producer and his veterinarian have developed a control and elimination plan for the farm, are participating in the OSHAB PED ARC&E and have notified key service providers.

Please review your biosecurity procedures on farm.

Our thanks to the producer for his rapid response and transparency as we work together as an industry to control and eliminate PED cases in Ontario this fall and winter.

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A notice from Ontario Pork:

Ontario Pork is hosting a PED Telephone Town Hall on Wednesday, December 3rd between 12:00 and 1:00PM EST for the pork industry. Register here to be called for this free, live event with Ontario Pork. This call will provide an update on the current PED situation and actions being taken by the Ontario pork industry. Topics to be discussed include the following:

  • How we are keeping track of PED – truck wash, transport, assembly and processor surveillance, control and elimination progress and service provider involvement
  • Research Results
  • OMAFRA Update
  • Question and Answers

We will be automatically dialing out to our provincial producers and others who have registered for the event and have provided us with their phone numbers. Please note only direct or mobile phone numbers will be accepted.

Register Here

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Ontario has seen very few new reports on the PED front in the last months; however, given the virulence of the virus and its increased persistence in cold weather, additional cases might be expected as winter approaches.  Proper biosecurity remains the best tool to prevent the spread of this virus.  Pork producers and industry stakeholders must continue to be diligent in order to limit the impact of PED in Ontario. It’s critical that everyone follow strict biosecurity procedures at all times. These include the following:

  • Ensure all incoming pigs are from a PED negative farm.
  • Follow and enforce proper entry protocols. Dedicated barn boots and coveralls must be available for all staff and visitors. Use a Danish Entry System that allows for unidirectional flow of staff and visitors entering the barn. A hand wash or hand sanitizer should be available upon entry.
  • If using deadstock pickup, ensure carcasses are picked up off-site. Wash and disinfect equipment used to transfer carcasses from barn to deadstock bin.
  • Ensure transporters are following your farm’s protocol for trailer sanitation. A washed and disinfected trailer will reduce the risk of disease transmission to your farm. Refer to ‘Cold Weather Trailer Disinfection Procedures’ available from OPIC. Communicate biosecurity protocols to any service providers visiting your farm.
  • Refer to the National Swine Farm-level Biosecurity Standard and discuss your biosecurity plan with your veterinarian.
  • Monitor your herd for clinical signs of the disease, particularly vomiting and diarrhea. Call your veterinarian immediately with any concerns. They will advise you on what to do next.

Information on PED, including links to biosecurity protocols, and other best practices related to deadstock and manure handling, etc., are available at www.Ontario.ca/swine. You can also subscribe to this blog and follow @ONswineinfo on Twitter for updates and links to resources.

This virus is very persistent and easily travels with snow and slush. It will require a dedicated effort to keep this one under control, and off your farm, over the coming winter.

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PED Notice November 12, 2014

Reposted from an Ontario Pork Industry Council Notice

A new PED case has been diagnosed in Ontario. This is the first new case diagnosed in Ontario since July. Clinical signs were seen at a farrow to finish farm in Middlesex Monday November 10th. Samples were taken Monday evening and laboratory confirmation was received November 12th. The most significant risk factor for this farm was pig transport. The producer and his veterinarian have developed a control and elimination plan for the farm and have notified key service providers.

Please review your biosecurity procedures on farm. Use of unwashed trucks is a significant risk for PEDV transmission.

Our thanks to the producer for his rapid response and transparency as we work together as an industry to control and eliminate PED cases in Ontario this fall and winter.

Cold Weather Trailer Disinfection Procedures provides details about proper trailer disinfection.

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Shakespeare Swine Seminar

This year’s Shakespeare Swine Seminar will be held on Wednesday, September 24, 2014 at the Shakespeare Community Centre.  The one day seminar is an education event for hog producers and allied industry personnel that features local and international speakers on topics of importance to the swine industry.

Dr. Darwin Reicks from the Swine Veterinary Center in St. Peter, Minnesota will discuss optimizing litter size when using artificial insemination. Dr. Mark Rix from Swine Management Systems in Fremont, Nebraska will compare production in sows gestated in loose housing and in stalls. Dr. Tim McAllister from Agriculture and Agri- Food Canada in Lethbridge, Alberta will address antibiotic use in food animal production.

Additional topics to be covered include eradicating PED from farrowing sites, increasing piglet survival rates, identifying semen quality issues, and more.

Pre-registration is required and can be completed by either calling 877- 424 -1300 or emailing ag.info.omafra@ontario.ca.

The Shakespeare Seminar is sponsored by the Ontario Ministry of Agriculture and Food, Ministry of Rural Affairs and Ontario Pork.

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The following is from an Ontario Swine Health Advisory Board (OPIC) update:

OSHAB PED ARC&E Update

OSHAB has included PED (Porcine Epidemic Diarrhea) in the ARC&E (Area Regional Control and Elimination) format and has been working actively to initiate this program. Support for this program includes funding provided by Ontario Pork to advance on-farm actions in the control and elimination of PED and funding provided through Growing Forward 2 (GF2), a federal-provincial-territorial initiative. The Agricultural Adaptation Council assists in the delivery of GF2 in Ontario.

The PED ARC&E will enroll and map sites across all of Ontario with all PED positive sites encouraged to enroll. Diagnostic costs and some support for veterinary costs associated with monitoring, control and elimination at these sites will be supported by this program. The program will communicate about the status of these sites and information learned about control and elimination strategies. The goals of the PED ARC&E are: To contain and reduce the prevalence of PEDV from pig farms in Ontario.
Actions will include:
– Investigate current and new cases
– Request participation of these producers in the ARC&E program
– Identify and solve primary biosecurity gaps
– Develop a farm or system specific containment plan
– Develop a farm or system specific elimination plan
– Communicate with producers and the industry
To date, over 60 sites diagnosed as PEDV positive, or related by pig flow have enrolled in the PED ARC&E and efforts continue to enroll remaining sites. An OSHAB PED ARCE workgroup has been struck. All veterinarians who work with PED positive sites in Ontario are invited to participate in this workgroup.

OSHAB PED ARC&E Update

To date, this group has:
– Reviewed sites enrolled and initiated data collection and mapping of the PED positive sites across Ontario
– Developed methods to track the progress of farrowing sites in return to production (for example analysis of pigs weaned per week to assess return to production)
– Developed sampling criteria to assess the status of sites as they work towards elimination
– Developed 3 research proposals submitted under the Ontario Pork call for proposals for Applied On-Farm Research Proposals related to Porcine Epidemic Diarrhea Virus and Porcine Delta coronavirus. These proposals were related to development of control and elimination strategies for farrowing sites with growing pigs, development of strategies to enhance PEDV containment in positive growing pigs and assessment of the duration of PEDV antibodies in sows and growing pigs post-infection.

What do we know about the control and elimination of PED to date?
Work to understand PED control and elimination has been underway in the U.S. and the knowledge base in Canada is growing.

Ontario Progress

To date, we have had:
– two successful PED elimination in all in all out nurseries with subsequent fill remaining PED negative following barn clean and disinfect
– one successful PED elimination in an all in all out finisher with subsequent fill remaining PED negative following barn clean and disinfect
– one successful Delta coronavirus elimination in a sow herd based on a herd depopulation
– one successful sow site PED elimination, also based on a herd depopulation
– a number of nursery and finisher sites working on PED elimination over the next two to three months

Information from the United States

The following information has been summarized from the American Association of Swine Veterinarians 2014 proceedings (Morrison, Goed and Connor)
– PEDV is highly infective with a 10-8 dilution of mucosal scrapings able to cause infection – this means approximately 1 pencil eraser of diarrhea diluted in 130 cubic yards can still cause infection, making fecal-oral the principle route of infection. As well, infective PEDV has been found in fecal slurry after >14 days at room temperature.
Message: stringent clean and disinfect protocols are essential
– Analysis of number pigs weaned per week suggests it takes 6 weeks on average to return to normal production at farrowing sites
– The majority of protection to piglets is expected to come for colostrum IgA antibodies; this is a passive immunity and will quickly reduce after weaning. These antibodies do not protect against infection with PEDV.
– Proximity to an infected site and size of herd may be factors that impact the risk of PEDV infection.
– Control of PEDV is not the same as elimination of PEDV and not eliminating the virus can result in the risk of repeated outbreaks of clinical disease.
– PEDV elimination at sow sites should be done in consultation with your veterinarian. Consideration of other disease issues in the herd is essential before initiating an elimination program.
– Work to date suggests the following actions are required to eliminate PEDV at sow sites:
o loading with replacement animals
o herd closure for a minimum of 3 months (and perhaps as long as 5 months)
o infection of the entire herd through feedback procedures
o strict all in all out and uni-directional flow of pigs and people
o strict sanitation and McRebel protocols
o do not introduce negative replacement animals until the flow is verified negative (testing and sentinels)
– Evidence suggests PEDV is more highly transmissible than PRRS, has a higher stability in the environment and shows lower levels of sow immunity. However, duration of clinical signs is dramatically shorter.

Updates and biosecurity tips will be issued regularly as we gain knowledge and experience in the control and elimination of PED in Ontario.

OSHAB ARC&E web page: opic.on.ca/biosecurity-resources/prrs-arc-e

 

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The Ontario Swine Health Advisory Board (OSHAB) is providing resources and tools to assist the swine industry in dealing with the Porcine Epidemic Diarrhoea virus (PEDv).  The Pig Site provides a list of areas where funding is currently available from Ontario Pork to perform investigative sampling and analysis at confirmed PEDv-positive sites.

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