Agency Finds No Link Between Blood Product in Feed and PED Cases

CANADA - The Canadian Food Inspection Agency (CFIA) has published the results of its investigation into feed as a possible source of Porcine Epidemic Diarrhoea (PED).
calendar icon 5 March 2014
clock icon 4 minute read

Scientific testing by the CFIA cannot confirm a link between feed containing blood plasma and PED cases in Canada.

As reported on 18 February, the CFIA conducted a bioassay study on US-origin porcine blood plasma used in feed pellets produced by Grand Valley Fortifiers.

The study demonstrated that the porcine blood plasma in question contained PED virus capable of causing disease in pigs. However, the study could not demonstrate that the feed pellets containing the blood plasma were capable of causing disease.

In line with its commitment to science, the Agency will continue to analyse feed and feed ingredients, as well as epidemiological information gathered during the investigation, in order to verify that CFIA controls continue to protect Canadian livestock. In addition, the CFIA will examine any new lines of enquiry related to feed that may emerge, in particular from ongoing testing in Canada and the US.

In response to the positive test results in porcine blood plasma, the CFIA:

  • activated its National Emergency Operations Centre (NEOC) to coordinate the feed investigation
  • followed up with farms that received the affected feed to confirm the voluntary withdrawal was effective
  • provided science-based guidance on disposing of potentially affected feed
  • worked closely with US officials to confirm that none of the affected plasma was shipped to other pig feed manufacturers in Canada
  • led ongoing briefings with provincial and territorial Chief Veterinary Officers and key industry stakeholders.

The CFIA's investigation also included sampling and testing of feed, plasma and other feed ingredients from various Canadian and U.S. sources associated with farms in Canada on which PED has been detected. All test results on these samples were negative for PED.

PED poses no risk to human health or food safety.

The feed investigation was triggered on 9 February, after Ontario Ministry of Agriculture and Food (OMAF) testing found that US-origin porcine blood plasma used in feed pellets produced by Grand Valley Fortifiers contained PED virus genetic material. As a precautionary measure, Grand Valley Fortifiers voluntarily withdrew the potentially affected feed pellets from the marketplace.

Samples of both the feed pellets and the porcine blood plasma ingredient were submitted to the CFIA's National Centre for Foreign Animal Disease (NCFAD) for further testing. It was confirmed that both the blood plasma and the feed pellets contained PED virus genetic material; however, the bioassay study was required to confirm if this genetic material could cause illness in pigs.

The CFIA has been closely monitoring the emergence of PED since the first cases were reported in the US in May 2013. The Agency will continue to collaborate with provinces and territories to support their response to PED in Canada.

The Government of Canada will continue to work collaboratively with provinces and industry stakeholders to support the response to PED in Canada.

PED can spread rapidly through contact with sick animals, as well as through people's clothing, hands, equipment, boots, and other tools contaminated with the faeces of infected animals. Therefore, considering the characteristics of PED virus and how it spreads, adhering to good biosecurity protocols remains the best measure to prevent further introduction or spread of this disease in Canada.

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