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HPAI hit resolved in Oklahoma - Dairy herd safe

USDA confirms HPAI in Oklahoma, marking the 13th affected state.

By Farms.com

The USDA Animal and Plant Health Inspection Service (APHIS) has recently confirmed a case of Highly Pathogenic Avian Influenza (HPAI) in an Oklahoma dairy herd.

This development has placed Oklahoma among the 13 states that have reported similar cases this year, affecting the dairy sector significantly.

The infected herd, initially showing symptoms such as decreased feed intake and milk production, has fortunately fully recovered. The confirmation came after the farm submitted samples taken in April for testing, motivated by potential USDA reimbursements for lost milk production.

Dr. Rod Hall, the Oklahoma State Veterinarian, highlighted that the infection was likely transmitted from wild birds, with subsequent spread within dairy populations through direct animal contact or contaminated equipment.

This outbreak underscores the high transmissibility and contagious nature of the HPAI virus among dairy herds across the U.S.

The situation has prompted rigorous biosecurity enhancements among Oklahoma dairies. Measures such as heightened monitoring, the use of personal protective equipment (PPE), and constant communication with state veterinarians have been implemented to prevent further spread.

Despite these challenges, Dr. Hall assures the public that the commercial milk supply remains safe. Federal health regulations and stringent pasteurization processes effectively prevent any risk to milk safety from HPAI.

This incident serves as a critical reminder of the need for continuous vigilance and proactive biosecurity practices in the agricultural sector, particularly in dairy farming, to safeguard both animal health and the integrity of food supplies.


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In this episode of The Swine it Podcast Show Canada, Dr. Rodrigo Paiva, DVM and PhD candidate at Iowa State University, explains how post weaning colibacillosis has changed in recent years and why pathogenic Escherichia coli has become more important in swine production. He discusses virulence factors, diagnosis, whole genome sequencing, biosecurity, and practical strategies to reduce disease risk while improving herd health. Listen now on all major platforms!

"Pathogenic E. coli now behaves like a robust, well-equipped truck carrying multiple tools for post-weaning disease."

Meet the guest: Dr. Rodrigo Paiva / rodrigo-paiva-09364355 is a veterinarian and PhD candidate at Iowa State University specializing in swine health, veterinary epidemiology, and post weaning colibacillosis. After several years working in commercial swine production in Brazil, his research has focused on understanding pathogenic Escherichia coli and improving disease prevention in modern production systems. Listen to Dr. Rodrigo Paiva on The Swine it Podcast Show Canada, available on all major platforms.