NASDA Urges USDA to Authorize Dairy Cattle Vaccines
State agriculture and animal health officials asked the U.S. Department of Agriculture to approve a voluntary national vaccination framework for dairy cattle amid avian influenza spread.
Updated on Nov. 6, 2026 in Organic Food
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The National Association of State Departments of Agriculture and NASAHO met with the U.S. Department of Agriculture on November 5 and delivered a letter urging authorization of a voluntary national emergency vaccination framework for dairy cattle. The framework would let state animal health officials choose whether to use vaccines alongside existing disease control tools.
Why it matters
Highly pathogenic avian influenza has spread to over 1,200 dairy farms in 20 states since 2024, and at least 17 states have seen commercial poultry losses linked to infected dairy cattle. Officials say current surveillance, while critical for early detection, lacks veterinary countermeasures, which is driving the request for additional tools.
Over 1,200 dairy farms in 20 states have had confirmed HPAI cases since the initial 2024 spillover from wild birds, and at least 17 states have reported commercial poultry losses from spread out of nearby infected dairy cattle. The source does not say whether USDA will act on the vaccination request.
The players
National Association of State Departments of Agriculture (NASDA)
NASDA is the organization representing state departments of agriculture across the 50 states and four U.S. territories.
National Association of State Animal Health Officials (NASAHO)
NASAHO is the association of state animal health officials that co-signed the request to federal authorities.
U.S. Department of Agriculture (USDA)
The USDA is the federal department responsible for national agricultural and animal health policy, including the response to HPAI.
The details
NASDA and NASAHO delivered the letter to USDA as part of an integrated disease control strategy that already uses surveillance, biosecurity, movement management, animal identification and traceability. The proposed framework is voluntary, and the U.S. commercial milk supply remains safe for consumers, according to the source.
Timeline
Since 2024: Highly pathogenic avian influenza spilled over from wild birds to dairy cattle.
November 5, 2026: NASDA and NASAHO met with USDA and delivered their vaccination letter.
Season Trajectory
The request extends the integrated HPAI control strategy already in use, which relies on surveillance, biosecurity, movement management and traceability. Adding vaccines marks a shift toward a veterinary countermeasure for an outbreak that has spread from wild birds into dairy herds since 2024.
Consumers can continue buying U.S. commercial milk, which the source says remains safe. The proposed vaccination framework is voluntary, so its direct effects on dairy supply and prices are not described in the extraction.
The takeaway
The request reflects a push to add veterinary tools alongside surveillance and biosecurity as avian influenza continues to affect dairy herds and poultry flocks. Readers should watch for USDA's response to whether the framework is authorized.
Further reading
For related context on how food production practices are evaluated, see Organic Food coverage.
Source note: This article includes information reported by Feedstuffs.
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