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California - Avian influenza in poultry 2024-2026

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https://wahis.woah.org/#/in-review/4309
 
Source: https://stocktonia.org/news/agricul...s-to-san-joaquin-county-infects-chicken-farm/

Bird flu spreads to San Joaquin County, infects chicken farm
by Chris Woodyard • Stocktonia 1 hour ago

Bird flu has infected chickens at a farm in San Joaquin County, but so far the illness has not spread to humans here.

The outbreak of the highly pathogenic avian influence, or HPAI, was detected by state and federal inspectors on a commercial chicken farm in the county, officials disclosed this week.

San Joaquin, Kings and Fresno are the latest California counties that have experienced the outbreak. It has already been detected in Kern, Sonoma, Sacramento, Tulare and Merced counties, according to the California Department of Food and Agriculture.​..


 
California’s avian influenza outbreak escalating

November 22, 2024 By Nicole Heslip Filed Under: Avian influenza, Dairy, Dairy, News, Poultry, Poultry

The President of the California Poultry Federation is concerned about the speed highly pathogenic avian influenza is spreading in his state.

“If it doesn’t slow its pace in the next month, we’re in serious trouble.”

Bill Mattos tells Brownfield California has been able to avoid the disease for a long time, but interstate cattle movement has escalated the current outbreak.

“Unfortunately most of the dairies and the poultry industry is right next to each other from Sacramento to Bakersfield, that’s where we grow everything,” he shares. “The quarantine areas are set up immediately if a dairy is checked positive and there are already 400 dairies positive.”
...
“The veterinarians are warning people that we have to look at every avenue to try to stop this disease because we don’t know if it’s sustainable it we keep going like this,” he shares. “The way we’ve seen it in California the last two, three weeks—it’s very scary.”

(Audio)
...​

https://www.brownfieldagnews.com/news/californias-avian-influenza-outbreak-escalating/
 
[bolding is mine]

December 6, 2024: Highly Pathogenic Avian Influenza (Bird Flu) Detected in Four New Commercial Flocks in California

Sacramento, CA – Following an investigation by the California Department of Food and Agriculture (CDFA) and rapid disease detection by California Animal Health and Food Safety Laboratory System (CAHFS), the U.S. Department of Agriculture's National Veterinary Services Laboratories (NVSL) has confirmed highly pathogenic avian influenza (HPAI) in three commercial flocks in Merced County and one commercial flock in San Joaquin County. Movement restrictions have been placed in the following nine (9) California counties: Fresno, Kern, Kings, Marin, Merced, Sacramento, San Joaquin, Stanislaus, and Tulare. This nationwide outbreak of HPAI began in 2022 and all US detections in poultry can be found here: 2022–2024 Detections of Highly Pathogenic Avian Influenza (usda.gov). Note that the website is updated at noon Eastern Standard Time.

This HPAI virus spreads easily between birds and is lethal to poultry, so infected flocks are quarantined and euthanized, followed by cleaning and disinfection of the barns. The disease is spread through movement of infected or exposed birds; direct or indirect contact with infected wild and domestic birds; and contact with virus on fomites (surfaces) such as hands, shoes, clothing, or feet and the fur of rodents and other animals exposed to infected birds or cattle. The source of infection in these flocks is currently unknown and under investigation. Testing of other farms in the area, also known as surveillance testing, will be conducted over the next several weeks to determine the extent of spread. We strongly urge all poultry owners in California to protect their flocks by increasing their biosecurity practices. Recommended biosecurity practices can be found on the CDFA and USDA websites.

Clinical signs of HPAI include sudden death, trouble breathing, clear runny discharge (from nose, mouth, and eyes), lethargy, decreased food and water intake, swelling (eyes, head, wattles, or combs), discolored or bruised comb, wattles, or legs, stumbling/falling, or a twisted neck. For more information and updates, please visit our CDFA Avian Health Program webpage. Poultry owners with flocks that have experienced any unusual/suspicious illness or deaths should call our CDFA Sick Bird Hotline at 866-922-BIRD (2473).

​continued: https://www.cdfa.ca.gov/ahfss/Animal_Health/Avian_Influenza.html​
 
Previous day December 5, 2024

December 5, 2024: Highly Pathogenic Avian Influenza (Bird Flu) Detected in Five New Flocks in California

Sacramento, CA – Following an investigation by the California Department of Food and Agriculture (CDFA) and rapid disease detection by California Animal Health and Food Safety Laboratory System (CAHFS), the U.S. Department of Agriculture's National Veterinary Services Laboratories (NVSL) has confirmed highly pathogenic avian influenza (HPAI) in five (5) new flocks in California: one backyard flock in Riverside County that does not enter our food supply, one commercial flock in Sacramento County, and three commercial flocks in Stanislaus County. Movement restrictions have been placed in the following nine (9) California counties: Fresno, Kern, Kings, Marin, Merced, Sacramento, San Joaquin, Stanislaus, and Tulare. This nationwide outbreak of HPAI began in 2022 and all US detections in poultry can be found here: 2022–2024 Detections of Highly Pathogenic Avian Influenza (usda.gov). Note that the website is updated at noon Eastern Standard Time.

https://www.cdfa.ca.gov/ahfss/Animal_Health/Avian_Influenza.html
 
Note: December 4, 2024


December 4, 2024: Highly Pathogenic Avian Influenza (Bird Flu) Detected in a Commercial Flock in Fresno County

Sacramento, CA – Following an investigation by the California Department of Food and Agriculture (CDFA) and rapid disease detection by California Animal Health and Food Safety Laboratory System (CAHFS), the U.S. Department of Agriculture's National Veterinary Services Laboratories (NVSL) has confirmed highly pathogenic avian influenza (HPAI) in a commercial poultry flock in Fresno County. Movement restrictions have been placed in the following nine (9) California counties: Fresno, Kern, Kings, Marin, Merced, Sacramento, San Joaquin, Stanislaus, and Tulare. This nationwide outbreak of HPAI began in 2022 and all US detections in poultry can be found here: 2022–2024 Detections of Highly Pathogenic Avian Influenza (usda.gov). Note that the website is updated at noon Eastern Standard Time.

continued: https://www.cdfa.ca.gov/ahfss/Animal_Health/Avian_Influenza.html
 
According to Aphis, there are now 793,700 birds who have been affected by the second outbreak in Merced.
 
Source: https://www.kcra.com/article/bird-flu-wilton-turkey-farm-sacramento-county/63172696


Highly contagious bird flu found at Wilton poultry farm, California officials confirm
KCRA logo Updated: 12:36 PM PST Dec 12, 2024
David Manoucheri
Special Projects Producer

WILTON, Calif. —

Workers in white Haz-Mat style suits and wearing face masks worked for the past three days at a Wilton poultry farm due to an outbreak of highly pathogenic H5N1 bird flu, KCRA 3 has learned.

The California Department of Food and Agriculture in an email said that workers had worked yesterday with the U.S. Department of Agriculture at the farm to mitigate the spread of the virus. Neighbors tell KCRA 3 that the workers from both had been in and out of the farm for several days...



 
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