As avian influenza continues to spread, infecting cattle herds for the first time this year as well as four dairy workers, U.S. state and county fair organizers have been forced to reimagine nostalgic summer traditions long celebrated by city and rural folk alike. | Getty Images

Bird flu prompts U.S. state fairs to use fake cows

Producers face new testing rules and logistical challenges as worries continue over virus’s threat to country’s dairy herd

WEST ALLIS, Wis. (Reuters) — In Michigan this year, where dairy workers and herds have fallen ill from bird flu, a pair of unlikely prized cows are being prepped to take the state fair stage. State fair organizers are this year featuring Milkshake and Buttercup, two life-sized fibreglass cows complete with rubber teats and water-filled […] Read more

The case was the first in the U.S. without known animal transmission, as well as the first case requiring hospitalization, alarming infectious disease experts. | Getty Images

U.S. finds non-animal exposure bird flu

Glacier FarmMedia – Missouri’s department of health and senior services says a person hospitalized with bird flu was the first human case detected in the United States without known animal exposure. The person, who also had underlying medical conditions, was sent to hospital on Aug. 22 and later tested positive with the H5 avian influenza […] Read more

More than 190 herds have been infected across the U.S. since March, along with 13 dairy and poultry farm workers, according to federal data. | File photo

Avian flu spreads to Calif. dairy cows

Glacier FarmMedia – Cows at three dairy farms in California tested positive for H5N1 avian flu at the end of August, marking an expansion of the virus into the largest dairy-producing region of the United States, the state’s agriculture department has announced. More than 190 herds have been infected across the U.S. since March, along […] Read more


State animal and human health experts in three states who work closely with veterinarians and farmers said the government tally is likely an undercount because farmers are fearful of the economic hardship brought by a positive test, including being restricted from selling their milk or cattle for weeks. | File photo

U.S. farmers’ testing refusal skews bird flu count

Dairy producers fear economic losses from positive tests, but health officials call testing key to limiting human spread

WASHINGTON/CHICAGO (Reuters) — The U.S. avian flu outbreak in dairy cattle is much larger than official figures suggest due to farmers’ reluctance to test their animals and risk the economic consequences of a positive result, according to interviews with dairy experts, veterinarians and farmers in six states with known cases. The U.S. Department of Agriculture […] Read more

The requirements, which took effect yesterday, require an additional paperwork, including an export certification statement. | File photo

CFIA adds requirements for cattle returning from U.S. due to bird flu

Glacier FarmMedia – Cattle returning from the U.S. after a stay of less than 60 days will require additional certification as bird flu concerns continue. The requirements, which took effect yesterday, require an additional paperwork, including an export certification statement. The statement, to be signed by a veterinarian, requires cattle to have tested negative for […] Read more


The United States plans to spend $10 million to curb avian flu in farm workers, including a vaccine push.  |  File photo

U.S. bird flu fight focuses on workers

REUTERS — The U.S. Centers for Disease Control and Prevention said last week it plans to spend $10 million to curb farm worker bird flu infections, including $5 million for seasonal flu vaccines, as part of its efforts to avoid further spread and mutation of the virus. The ongoing outbreak of bird flu has infected […] Read more

The study into whether avian flu is easily transmitted through the air used ferrets, which are considered to be the best small mammal for studying influenza virus infection.  |  Reuters photo

Bird flu unlikely spread by air: study

Avian flu remains a worldwide concern heading into the heat of the Northern Hemisphere summer, although a recent study shows the strain hitting dairy herds in the United States is not easily transmitted through the air. The experiment led by researchers at the University of Wisconsin-Madison showed ferrets infected with a sample of the H5N1 […] Read more

The USDA detected HPAI in 132 dairy herds across 12 states as of June 27 with the most cases detected in Michigan, Idaho, Colorado and Texas. | File photo

U.S. seeks cause of avian flu spread

The U.S. Food and Drug Administration announced late last month that it will test an additional 155 dairy products to ensure pasteurization eliminates bird flu. Meanwhile, officials from the U.S. Department of Agriculture are trying to figure out what could be driving its spread. In April, the FDA said it found trace amounts of the […] Read more


A USDA survey of dairy farms found that, of participating farms in three states, 51 per cent used trucks or trailers shared with other farms to move cattle. Fifty to 85 per cent had frequent visitors who had contact with cattle. | File photo

Farm connections flagged in U.S. dairy bird flu spread

Shared equipment, workers may play roles in interstate spread

Glacier FarmMedia – There are “no smoking guns” to blame for bird flu spread in U.S. dairy cattle, but a number of farm practices may have collectively helped the virus move, according to an expert from the U.S. Department of Agriculture. A USDA survey of dairy farms found that, of participating farms in three states, […] Read more

More than 80 dairy herds have been infected with the virus across 11 states since late March, and three dairy workers have tested positive for the virus. | File photo

Bird flu spreads in North America, globally

REUTERS — The ongoing U.S. outbreak of avian flu in dairy cattle reached Minnesota last week as the state announced its first infected herd. More than 80 dairy herds have been infected with the virus across 11 states since late March, and three dairy workers have tested positive for the virus. The Minnesota Board of […] Read more