APHIS Confirms D1.1 Genotype in Dairy Cattle in Nevada
On January 31, 2025, the USDA Animal and Plant Health Inspection Service (APHIS) National Veterinary Services Laboratories (NVSL) confirmed by whole genome sequence the first detection of highly pathogenic avian influenza (HPAI) H5N1 clade 2.3.4.4b, genotype D1.1 in dairy cattle.
Avian flu strikes more Nevada dairy herds, leading to starling
3 days ago · Nevada reported its first H5N1 detection in dairy cows in early December 2024, which affected a herd in Nye County, located northwest of Las Vegas. In two recent statements, the Nevada Department of Agriculture (NDA) said the virus had been detected in dairy cattle in Churchill County , which borders Nye County to the northwest.
New bird flu infections in Nevada dairy cattle signal the virus may …
2 days ago · Six dairy herds in Nevada have tested positive for a newer variant of the H5N1 bird flu virus that’s been associated with severe infections in humans, according to the Nevada Department of ...
A new type of bird flu has been found in dairy cows in Nevada
1 day ago · The variant of H5N1 bird flu has been circulating in wild birds, but this is the first time it's been detected in cattle. ... which traced the new variant back to dairy herds in Nevada.
USDA confirms spillover of 2nd H5N1 avian flu genotype into …
1 day ago · A few days ago, APHIS reported four recent H5N1 detections in Nevada dairy herds, the state's first since December. Nevada officials said they were removing large nuisance populations of European starlings to curb the spread of the virus. The non-native species typically migrate through Nevada in the winter and outcompete local birds and pose a ...
H5N1 bird flu spills over again; Nevada cows hit with different, …
1 day ago · The new Nevada dairy infections were first detected through milk testing conducted on January 31, ... The spread of H5N1 bird flu in dairy cows is unprecedented; the US outbreak is the first of ...
New bird flu strain found in dairy cattle; case was in Nevada - USA …
1 day ago · "We're seeing the H5N1 virus itself be smarter than all of us," said Beth Thompson, South Dakota's state veterinarian. ... The Nevada Department of Agriculture said on January 31 that herds in two ...
Deadly version of H5N1 bird flu spills over into Nevada dairy cattle
1 day ago · A new version of the H5N1 bird flu virus has been detected in milk samples collected from dairy herds in Nevada. The strain, known as D1.1, had so far been associated only with migrating birds and ...
Cattle - Nevada
Jan 24, 2025 · Effective April 29, 2024, all lactating dairy cattle are required to test negative for Highly Pathogenic Avian Influenza (H5N1) prior to interstate movement, per the Federal Order from the U.S. Department of Agriculture (USDA) Animal and …
First Highly Pathogenic Avian Influenza detection in dairy cows in Nevada
Dec 6, 2024 · The Nevada Department of Agriculture (NDA) has received evidence of a detection of Highly Pathogenic Avian Influenza (H5N1) in dairy cattle in Nye County. The affected premises has been quarantined and mandatory testing will occur onsite at regular intervals until the herd is confirmed to be virus-free.