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Commercial milk sampling and testing for highly pathogenic avian influenza (HPAI) viral fragments in Canada
With recent news of dairy cattle in the United States (U.S.) testing positive for highly pathogenic avian influenza (HPAI) and reports of fragments of HPAI detected in pasteurized milk sold in the U.S., we understand that Canadians may be concerned about the safety of milk and milk products.
As part of the Government of Canada's One Health approach, the Canadian Food Inspection Agency (CFIA) in collaboration with the Public Health Agency of Canada (PHAC) and Health Canada is taking proactive measures by conducting enhanced testing of milk at the retail level to look for viral fragments of HPAI. CFIA laboratories are testing commercial milk samples from across Canada using a type of polymerase chain reaction (PCR) test. The method used to test foods for HPAI is very sensitive and will detect fragments of the virus, even if the virus is not infectious.
Negative results mean that HPAI fragments are not present in milk. This supports current reports that the virus has not been detected in Canadian dairy cows.
Commercially sold milk and milk products remain safe to consume. Milk from dairy cows in Canada must be pasteurized before sale. The pasteurization process kills harmful bacteria and viruses, including HPAI, ensuring milk and milk products are safe to drink and eat.
Interim milk sampling and testing results (as of May 14, 2024)
CFIA laboratories tested 142 retail milk samples from across Canada. To date, all samples have tested negative for HPAI fragments, with no evidence of disease in dairy cattle detected in milk.
How we are responding to HPAI in cattle
In Canada, HPAI is a reportable disease in all animals. All suspected cases must be reported to the CFIA.
Learn more about protective measures in place for HPAI in livestock in Canada.
Date modified: 2024-05-14
With recent news of dairy cattle in the United States (U.S.) testing positive for highly pathogenic avian influenza (HPAI) and reports of fragments of HPAI detected in pasteurized milk sold in the U.S., we understand that Canadians may be concerned about the safety of milk and milk products.
As part of the Government of Canada's One Health approach, the Canadian Food Inspection Agency (CFIA) in collaboration with the Public Health Agency of Canada (PHAC) and Health Canada is taking proactive measures by conducting enhanced testing of milk at the retail level to look for viral fragments of HPAI. CFIA laboratories are testing commercial milk samples from across Canada using a type of polymerase chain reaction (PCR) test. The method used to test foods for HPAI is very sensitive and will detect fragments of the virus, even if the virus is not infectious.
Negative results mean that HPAI fragments are not present in milk. This supports current reports that the virus has not been detected in Canadian dairy cows.
Commercially sold milk and milk products remain safe to consume. Milk from dairy cows in Canada must be pasteurized before sale. The pasteurization process kills harmful bacteria and viruses, including HPAI, ensuring milk and milk products are safe to drink and eat.
Interim milk sampling and testing results (as of May 14, 2024)
CFIA laboratories tested 142 retail milk samples from across Canada. To date, all samples have tested negative for HPAI fragments, with no evidence of disease in dairy cattle detected in milk.
How we are responding to HPAI in cattle
In Canada, HPAI is a reportable disease in all animals. All suspected cases must be reported to the CFIA.
Learn more about protective measures in place for HPAI in livestock in Canada.
Date modified: 2024-05-14
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