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CAHSS Dairy Network

Canada’s dairy industry is synonymous with health. The milk flowing from our 12,529 dairy farms remains a staple in the diet of many, and a key component of our national food supply. CAHSS’s Dairy Network is committed to industry vitality. Bringing together participants from industry, government and veterinary associations, this group is a platform where members can discuss disease challenges and organize surveillance activities to maintain the health of Canada’s dairy herds.

H5N1 Detections in Dairy Cattle in the US

US H5N1 Detections

Colorado Department of Agriculture – Highly Pathogenic Avian (Influenza (HPAI) in Dairy Cattle, June 21, 2024

US Department of Agriculture (USDA) – HPAI Detections in Livestock, June 20, 2024

New Mexico Department of Agriculture – Highly Pathogenic Avian Influenza in Dairy Cattle, June 13, 2024

North Carolina Department of Agriculture and Consumer Services – HPAI Detections in Livestock, June 5, 2024

Idaho State Department of Agriculture – HPAI in Cattle , June 2024

Minnesota Department of Agriculture – H5N1 and Dairy Cattle , June 2024

Kansas Department of Agriculture – HPAI Detection in Kansas Dairy Herds, May 28, 2024

Michigan Department of Agriculture and Rural Development – Avian Influenza (Bird Flu), May 24, 2024

Iowa Department of Agriculture and Land Stewardship – Avian Influenza, May 2024

American Veterinary Medical Association (AVMA): Number of states with HPAI-infected dairy cows grows, April 2, 2024

USDA Federal and State Veterinary, Public Health Agencies Share Update on HPAI Detection in Kansas, Texas Dairy Herds, March 25, 2024

US Resources

Colorado Department of Public Health & Environment – Highly Pathogenic Avian Influenza (HPAI) A(H5N1): Guidance for Veterinarians Assessing HPAI H5N1 in Domestic Felines, July 31, 2024

USDA – 2024 HPAI (H5N1) Michigan Dairy Herd and Poultry Flock Summary, June 9, 2024

USDA Animal and Plant Health Inspection Services (APHIS) – HPAI H5N1 Genotype B3.13 in Dairy Cattle: National Epidemiologic Brief, June 8, 2024

USDA APHIS – Testing Guidance for Influenza A in Livestock, May 1, 2024

USDA APHIS – Case Definition: Avian Influenza, April 2024

US Food and Drug Administration (FDA) – Questions and Answers Regarding Milk Safety During HPAI Outbreaks, April 17, 2024

USDA – Detection of HPAI in Dairy Herds: Frequently Asked Questions, April 16, 2024

USDA APHIS – Recommendations for HPAI H5N1 Virus in Livestock For State Animal Health Officials,Accredited Veterinarians and Producers, April 12, 2024

National Milk Producers Federation (NMPF) – Dairy Cattle: Biosecurity Recommendations for HPAI and More, April 5, 2024

Centers for Disease Control and Prevention (CDC) – Highly Pathogenic Avian Influenza A(H5N1) Virus: Identification of Human Infection and Recommendations for Investigations and Response, April 5, 2024

NextStrain – Genomic Data for HPAI Outbreak in North America 2021-Present, April 4, 2024

CDC – Technical Update: Summary Analysis of Genetic Sequences of HPAI A(H5N1) Viruses in Texas, April 2, 2024

American Association of Bovine Practitioners (AABP) – Resource on dairy cow disease (members only)

Farmers Assuring Responsible Management (FARM) – Biosecurity Resources

Secure Milk Supply (SMS) – Resources

Canadian Resources

National Collaborating Centre for Environmental Health – Highly Pathogenic Avian Influenza: Adapting to a new One Health challenge from an old foe, webinar with Dr. Murray Gillies, October 31, 2024

Animal Health Canada – Guidance for Exhibition Organizers to Prevent Highly Pathogenic Avian Influenza (HPAI) A (H5N1) Spread to Cattle, August 1, 2024

Animal Health Canada – Biosecurity Recommendations for Exhibitors, August 1, 2024

Animal Health Canada and Dairy Farmers of Canada – HPAI: Biosecurity Recommendations for Dairy Farmers, July 2024

Canadian Food Inspection Agency (CFIA) – HPAI in cattle: Guidance for private veterinarians, June 14, 2024

Public Health Agency of Canada (PHAC) – Avian influenza A(H5N1): Canada's response, May 31, 2024

Community for Emerging and Zoonotic Diseases (CEZD) – Rapid Literature Review: Influenza A and Dairy Cattle, April 2024

National Collaborating Centre for Environmental Health (NCCEH) – Avian influenza A(H5N1) in dairy farms: An update on public health and food safety concerns , April 19, 2024

CFIA – HPAI in livestock, April 17, 2024

Dairy Farmers of Canada – On-Farm Biosecurity Recommendations, April 4, 2024

CAHSS – US Detections of H5N1 in Dairy Cattle: Biosecurity Recommendations for Canadian Dairy Herds, April 4, 2024

Canadian Wildlife Health Cooperative (CWHC) – Report sick and dead wild birds

Ontario Animal Health Network (OAHN) – H5N1 Detections In U.S. Livestock 2024

Western Canadian Animal Health Network (WeCAHN) – HPAI in U.S. Dairy Cattle 2024

ProAction – Biosecurity Resources

ProAction – Biosecurity Quick Tips

Canadian Centre for Occupational Health and Safety – How to Protect Yourself from Avian Influenza A(H5N1) at Work

Canadian Centre for Occupational Health and Safety – Zoonotic Diseases

International Resources

Food and Agriculture Organization of the United Nations – Recommendations for the surveillance of influenza A(H5N1) in cattle, 2024

German Friedrich Loeffler Institut (FLI) – Avian influenza: No evidence of H5N1 infection in dairy cows outside the USA, June 20, 2024

German FLI – Rapid Risk Assessment for HPAI H5 clade 2.3.4.4b, June 7, 2024

World Organisation for Animal Health – Avian Influenza

see what is new with dairy health in Canada

Key Documents

Dairy Stakeholder Map

The CAHSS Dairy Network includes members from all areas from the dairy sector, including industry and veterinary associations, academia, laboratories, and provincial and federal governments.

External Resources

Links to Canadian dairy resources.

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Animal Health Insights

A podcast series from CAHSS has been a useful tool to connect producers, veterinarians and pet owners on topics of animal health, disease surveillance and disease management practices across Canada.

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Dairy webinar series

This webinar covers an update on Highly Pathogenic Avian Influenza (HPAI) in dairy cattle in the US, discussion on the national collaborative approach amongst federal/provincial governments and industry, an update on the CFIA guidance document for private practitioners, and recommendations on how to support producer clients. Speakers include: Drs. Murray Gillies (Canadian Animal Health Surveillance System, Animal Health Canada), Fred Gingrich (American Association of Bovine Practitioners), Carol Cardona (University of Minnesota), Cathy Furness (Canadian Food Inspection Agency), Geneviève Toupin (Canadian Food Inspection Agency), Cheryl Schroeder (Dairy Farmers of Canada), and Rob Tremblay (Dairy Farmers of Canada).