Pigeons, grackles and blackbirds are now being pointed to as sources of bovine influenza A virus in U.S. cattle.  |  Getty Images photo

‘We’ve never seen anything like this before’

Glacier FarmMedia – Veterinarians and food safety officials have been scrambling for about a month to understand the origin and spread of highly pathogenic avian influenza in U.S. dairy herds across several states. Many potential vectors have been considered, from migratory birds, direct cow-to-cow transmission and milking equipment. A University of Guelph veterinary professor has […] Read more

The U.S. Food and Drug Administration said there is no evidence that the milk poses a danger or that a live virus is present. | File photo

Milk supply safe from avian flu: FDA

REUTERS — About one in five samples of commercial milk in the U.S. tested positive for traces of bird flu in a national survey, with a greater proportion coming from areas with infected herds. The U.S. Food and Drug Administration said there is no evidence that the milk poses a danger or that a live […] Read more

The new rules, coming into effect April 29, were announced along with new reporting requirements as the country tries to curb spread of highly pathogenic avian influenza (HPAI) between dairies. | File photo

U.S. enacts new bird flu rules

New movement requirements set to come into effect April 29.

Dairy producers in the U.S. face will face new requirements to move animals across state lines starting next week. The new rules, coming into effect April 29, were announced along with new reporting requirements as the country tries to curb spread of highly pathogenic avian influenza (HPAI) between dairies. The federal ag department’s Animal and […] Read more


The Texas outbreak may have started about a month ago when a mysterious illness affected about 40 per cent of the state’s dairy herds, according to Texas Agriculture Commissioner Sid Miller. | File photo

Bird flu hits Texas dairy cows, hens, human as ducks migrate

REUTERS — The U.S. Center for Disease Control issued a health alert April 5 warning clinicians, state health departments and the public about a case of avian influenza in a person who had contact with dairy cows presumed to be infected with the virus. The farm worker from Texas was reported to be infected on […] Read more



Markets have seen cattle futures (mainly live and fed) decline in recent weeks as the highly pathogenic avian influenza (HPAI) strain made its way into dairy herds in six states to date. | File photo

Flu outbreak sees buyers balk at beef futures

Glacier FarmMedia – It’s been a wild ride in beef cattle markets as investors struggled to make sense of the growing outbreak of bird flu in U.S. dairy cattle. Markets have seen cattle futures (mainly live and fed) decline in recent weeks as the highly pathogenic avian influenza (HPAI) strain made its way into dairy […] Read more

This is another example of an emerging disease issue that we will have to adapt to. So far, it appears relatively mild in cattle. Work with your veterinarian if you identify any unusual disease symptoms in the herd. | Reuters photo

Avian flu in dairy cows warrants close attention

The recent outbreak of avian influenza virus in cattle in the U.S. is one of the top animal health stories in North America. Here is some background information about the virus. However, as this is a rapidly changing situation, some information in this article may have changed by the time of publication. An emerging disease […] Read more

Cows weren’t expected to be infected with high pathogenic avian influenza, but so far it doesn’t appear to pass between cattle.  |  John Greig photo

Avian influenza identified in person exposed to dairy cattle

Idaho and Michigan have become the newest U.S. states to identify highly pathogenic avian influenza in dairy cattle

Glacier FarmMedia – A human case of avian influenza in a person who had contact with dairy cows presumed to be infected with the virus was reported by Texas and the U.S. Centers for Disease Control and Prevention (CDC) on April 1. It is the second case of the highly pathogenic avian influenza (HPAI) H5N1 […] Read more



The report, Protecting Against Animal Biosecurity Risks: The State of Canada’s Preparedness, included seven recommendations to combat existing and future disease concerns. | File photo

More farm security measures suggested

A new report from the House of Commons agriculture committee recommends stronger defences when it comes to diseases like avian influenza, BSE, foot and mouth disease and African swine fever. The report, Protecting Against Animal Biosecurity Risks: The State of Canada’s Preparedness, included seven recommendations to combat existing and future disease concerns. The committee’s interest […] Read more