High-Path Avian Flu mutates again in dairy cows, likely from outbreak in Nevada

High-Path Avian Flu has resulted in 100 million bird deaths, and the markets are reacting to a second type of the virus that was found in U.S. dairy cows.

USDA says it stems from an outbreak at an operation in Nevada. Dairy cattle were found with a different form of the virus, that is showing signs of respiratory stress in livestock. They say the new strain could change how the virus is managed. High-Path Avian Flu has been in the dairy industry for almost a year now.

RFD-TV’s Tammi Arender caught up with Nevada’s Director of Agriculture at CattleCon. He says a new strain was always a possibility.

“I’m not surprised to see the virus change, and I use this analogy for everyone I’ve been talking to. The flu you’re going to get this year isn’t the flu you had last year. We know that these flu viruses change. This is a flu virus, it is going to change and is going to continue to change as long as we have it in the environment, we can expect to see these mutations,” said DR. J.J. Goicoechea.

He adds they have not seen any cows die because of this new strain, and they believe it was transferred by wild birds.

“What we know so far from our initial cases is this is a spillover event from wild birds. The first two cases we had, we have every reason to believe those are single-point introductions. They were not lateral between those two dairies, so they were several miles apart, and both broke about the same time so we do think this is being introduced to our wildlife.”

LATEST STORIES BY THIS AUTHOR:

The American Coalition for Ethanol reacts as the Farm Bill heads to a full House vote — while ethanol expansion, including year-round E15, is left out — as well as the USDA’s pursuit of global markets for ethanol.
Global food prices rose slightly in the latest FAO Food Price Index as vegetable oils, cereals, and meat increased, offsetting declines in dairy and sugar.
University of Arkansas’ Allen Szalanski discusses a news study on rice stink bugs, what it could mean for farmers, and pest management strategies for the future.
Wed, 3/18/26 – 7:30 PM ET – Build better financial habits with tips from AARP
Valley Irrigation’s Darren Siekman explains the advantages of their new pivots for growers managing acreages of up to 60 acres.
Agriculture Shows
Watch Rural Evening News on RFD Network to catch up on that day’s news surrounding agriculture and markets from across the world.
Every day on RFD Network, “Market Day Report” delivers LIVE coverage of agribusiness news, weather, and commodity market information from across the world. Our commodity markets coverage is updated every half hour to bringyou the latest agriculture news.
Farm Monitor shines a light on Southeastern agriculture and is the only weekly news and information program dedicated to Georgia’s largest and most important industry: agriculture.
Check out FFA Today, a fun and fast-paced show featuring fascinating stories about amazing kids and unique agriculture industries.