PEDv found in hogs at W. Manitoba site

Veterinary officials in Manitoba are following up with hog farmers who’ve taken animals through an unnamed “high-traffic site” after a “small number” of hogs held there were confirmed positive for porcine epidemic diarrhea (PED).

In its preliminary investigation, the office of Manitoba’s chief veterinary officer (CVO) finds it likely that the PED-positive pigs picked up the virus (PEDv) at the site, at an unnamed location in western Manitoba.

The pigs likely would have caught the virus due to “environmental contamination” at the site, not at their farm of origin, judging from the onset of symptoms, the province said in a release Thursday.

The high-traffic site in question is “fully co-operating with the CVO investigation and has taken measures to reduce the possibility of further transmission,” the province said, noting the CVO will also follow up with other farms and facilities that had contact with the site.

The case at the western Manitoba site is “currently” believed to be linked neither with the southeastern Manitoba farm where hogs were confirmed in February to be positive for PED [related story], nor with two “high-traffic” sites where “environmental samples” have been confirmed with PEDv, the province said.

The province hasn’t yet said what type of “high-traffic site” was involved in the western Manitoba case, but noted examples of such sites would include livestock assembly yards, federal and provincial abattoirs, truck wash stations and livestock trailers.

In a separate statement Thursday, Manitoba Pork again advised hog producers to treat any high-traffic area for pigs as potentially contaminated and to follow the biosecurity protocols developed by the Canadian Swine Health Board for trailers returning from such facilities.

The province again emphasized Thursday PEDv is not a food safety issue and does not affect humans.

PEDv’s symptoms — diarrhea, vomiting and dehydration — are severe and often fatal in newborn and young pigs, but are less serious in older animals, which generally recover from the illness.

Since no specific farm is yet confirmed with PED in connection to the western Manitoba case, Canada’s total count of PEDv-positive hog farms sits at 51: one each in Manitoba, Quebec and Prince Edward Island and 48 in southern Ontario.

Ontario’s latest case of PEDv was confirmed Wednesday in Huron County, on a finishing operation.

Previously seen only in Europe and Asia, PEDv was first confirmed in Canada on a southern Ontario hog farm in January. In the U.S., where the virus was first confirmed in April last year, PED has been confirmed on 5,267 farms across 27 states as of March 29. — AGCanada.com Network

 

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