Tuesday, May 20, 2025

TAMU updates on HPAI in dairy cattle, one year later

By Maci Guay - Texas A&M University

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COLLEGE STATION, Texas — The detection of highly pathogenic avian influenza, HPAI, subtype H5N1 in dairy cattle was confirmed in March 2024 by the USDA. This finding was the first of its kind and shocked the global scientific community.

The official confirmation came on the heels of testing performed at the Texas A&M Veterinary Medical Diagnostic Laboratory’s Canyon and College Station laboratories.

Following reports from local dairy practitioners and hundreds of tests to rule out other potential pathogens, the Canyon lab tested a nasal swab sample from dairy cows.

The positive result was the first indication that HPAI. . .

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