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Colorado: 2023-2026 Avian flu in poultry

Shiloh

Shiloh

Editor, Senior Moderator
Source: https://hpj.com/2023/10/19/new-backyard-avian-influenza-case-confirmed-in-colorado/

New Backyard Avian Influenza Case Confirmed in Colorado
By Colorado Department of Agriculture
October 19, 2023

​The US Department of Agriculture’s (USDA) National Veterinary Services Laboratory (NVSL) confirmed a new case of Highly Pathogenic Avian Influenza in a backyard flock in Weld County, Colorado. The flock experienced a high mortality event, losing 20 of 24 chickens in the flock, after exposure to sick and dying wild geese on the premises. The remaining birds in the flock were euthanized...
 
Confirmations of Highly Pathogenic Avian Influenza in Commercial and Backyard Flocks
...
HPAI 2022/2023 Confirmed Detections as of July1, 2024
Last reported detection Thursday, June 27, 2024

​Confirmed State County Name Production Control Area Released Birds Affected

27-Jun-24 Colorado Morgan WOAH Non-Poultry NA 40

26-Jun-24 Colorado Larimer WOAH Non-Poultry NA 10

https://www.aphis.usda.gov/livestoc...za/hpai-detections/commercial-backyard-flocks
 
image.png
​

https://wahis.woah.org/#/in-review/4247
 
Governor Polis issues disaster emergency declaration as new avian flu outbreak detected in Weld County

​
Jul. 8, 2024​

Governor Jared Polis has declared a disaster emergency after an outbreak of avian flu was detected at a large commercial egg operation in Weld County last Friday, freeing up state resources to help agriculture officials and farmers respond to the situation.

Federal avian flu protocol dictates that all birds in a flock have to be humanely put down if a single case of the highly contagious virus is detected among it. In this particular outbreak, all 1.78 million chickens at the Weld County farm will have to be killed to prevent any further spread.

The Weld County outbreak is the first at a commercial facility in Colorado since February and only the second since December 2022. Avian flu detections among commercial and backyard poultry flocks have been relatively low in recent years, due in part to farmers following strict biosecurity measures.
​
...https://www.cpr.org/2024/07/08/disaster-emergency-declaration-avian-flu-outbreak-weld-county/
 
image.png
​
Weld County
https://en.wikipedia.org/wiki/Weld_County,_Colorado
-----------------
Colorado HPAI Response
...​

Weld 11

On July 8, 2024, samples submitted to the National Veterinary Services Laboratory tested positive for HPAI in a commercial broiler breeder facility in Weld County.

The State Veterinarian has issued NEW Quarantine Order in parts of Weld County to limit movement of birds in and out of the area.

If you are a commercial or backyard poultry owner in the quarantine area, please report the status of your flock using an online form.

Report the status of your flock

If you have additional questions, you can contact the Colorado State Veterinarian’s Office at (303) 869-9130.

Please note: this information is being collected for tracking purposes only to ensure the health of flocks throughout the Quarantine Area. Your voluntary participation is encouraged so we can follow up with you in case of additional detections of HPAI.

...

Colorado Highly Pathogenic Avian Influenza Cases by County 2022-2024

last updated 7/9/2024 7:30am

NVSL Confirmation Date County Species (count) Domestic/Wild/Mammal Prem Identifier Prem Type Control Area Released

7/8/2024 Weld Chickens (1,780,000) Domestic Weld11 Commercial (poultry)
6/27/2024 Morgan Mixed species (40) Domestic Morgan02 Backyard (non-poultry) NA
6/26/2024 Larimer Mixed species (10) Domestic Larimer04 Backyard (non-poultry) NA
2/8/2024 Delta Chickens (67,200) Domestic Delta01 Commercial (poultry) 3/5/2024
1/8/2024 Arapahoe Chickens(23) Domestic Arapahoe02 Backyard (non-poultry) 5/11/2024​
​...

https://ag.colorado.gov/animals/reportable-diseases/avian-influenza/colorado-hpai-response
 
Nearly 2 million head of poultry depopulated due to HPAI, all eyes on ag biosecurity

News NEWS | Jul 12, 2024
Rachel Gabel

The most recent report of highly pathogenic avian influenza (HPAI) has resulted in the depopulation of 1.8 million head of poultry at a commercial table egg facility in Weld County, Colorado. Colorado State Veterinarian Dr. Maggie Baldwin said the state’s dairies and poultry facilities have cooperated with her office diligently to reduce the spread of HPAI.

Baldwin said the monitoring, testing and reporting of HPAI in Colorado is a result of the cooperation between producers and partners, including the State Veterinarian’s office and is important to reduce the spread between dairies and poultry facilities.

“Do I think Colorado has the most cases in the nation? No. Do I think Colorado has the most reported cases in the nation? Yes. Absolutely,” Baldwin said.
...
Baldwin said in the past two years, she has seen spillover of HPAI from wild birds into poultry facilities but the dairy event is completely separate and not carried and shed by wild birds. The initial introduction into dairies was one single spillover event by wild birds into dairy farms.

“All of the subsequent spread of this disease has been direct and indirect contact from dairy farm to dairy farm,” she said. “Now, the risk we have is much greater for our poultry industry because we have a virus that is spreading from mammal to mammal, from cow to cow, from dairy to dairy and now we have so much of it in the northeast part of the state that it is posing a significant risk to our poultry farms.”
...

https://www.thefencepost.com/news/n...lated-due-to-hpai-all-eyes-on-ag-biosecurity/

​
 
Confirmations of Highly Pathogenic Avian Influenza in Commercial and Backyard Flocks
...
​HPAI2022/2023 Confirmed Detections as of July 18, 2024
Last reported detection Tuesday, July 16, 2024
...
Confirmed State County Name Production Control Area Released Birds Affected

16-Jul-24 Colorado Weld Commercial Table Egg Layer Active 1,313,800​


https://www.aphis.usda.gov/livestoc...za/hpai-detections/commercial-backyard-flocks

----------------------------------------------

Colorado HPAI Response
...
2022/2023/2024 HPAI Outbreak
​...
Weld 12

On July 16, 2024, samples submitted to the National Veterinary Services Laboratory tested positive for HPAI in a commercial egg layer facility in Weld County.

The State Veterinarian has issued NEW Quarantine Order in parts of Weld County to limit movement of birds in and out of the area.

If you are a commercial or backyard poultry owner in the quarantine area, please report the status of your flock using an online form.

Report the status of your flock

If you have additional questions, you can contact the Colorado State Veterinarian’s Office at (303) 869-9130. A digital map format is coming soon.

Please note: this information is being collected for tracking purposes only to ensure the health of flocks throughout the Quarantine Area. Your voluntary participation is encouraged so we can follow up with you in case of additional detections of HPAI.

...
https://ag.colorado.gov/animals/reportable-diseases/avian-influenza/colorado-hpai-response
​
 
Confirmations of Highly Pathogenic Avian Influenza in Commercial and Backyard Flocks
...
​HPAI2022/2023 Confirmed Detections as of July 22, 2024
Last reported detection Friday, July 19, 2024
...​

Confirmed State County Name Production Control Area Released Birds Affected

19-Jul-24 Colorado Weld Commercial Table Egg Pullets Active 300,800

https://www.aphis.usda.gov/livestoc...za/hpai-detections/commercial-backyard-flocks
 
Last edited:
Colorado HPAI Response

​...
Weld 11/13
...
​
On July 8, 2024, samples submitted to the National Veterinary Services Laboratory tested positive for HPAI in a commercial egg layer facility in Weld County.

The State Veterinarian has issued a NEW Quarantine Order in parts of Weld County to limit movement of birds in and out of the area.

On July 19, 2024, samples submitted to the National Veterinary Services Laboratory tested positive for HPAI in a commercial egg layer facility in Weld County.

The State Veterinarian has issued a NEW Quarantine Order in parts of Weld County to limit movement of birds in and out of the area.

...

https://ag.colorado.gov/animals/reportable-diseases/avian-influenza/colorado-hpai-response
​​
 
Boulder County health officials advise caution as bird flu is detected in wild goose on private property

​February 14, 2025
“This isn’t a new issue, nor are we seeing an unusual increase in cases compared to prior seasons,” Boulder County Public Health officials said Friday​
Excerpt:
The wild goose infected with highly pathogenic avian influenza (HPAI) H5N1 was found in a home near a chicken run in Louisville, according to a spokesperson with Boulder County Public Health (BCPH).

Friday’s announcement is the second in as many days in which Denver metro health officials have advised people to be aware of sickly or dead birds both in public and private property. In Denver, health officials said Thursday two geese had recently tested positive for H5N1.
Click to expand...
https://www.denver7.com/news/front-...is-detected-in-wild-goose-on-private-property

Colorado Department of Agriculture
Weld County

The USDA’s National Veterinary Services Laboratory (NVSL) has confirmed the detection of Highly Pathogenic H5N1 Avian Influenza (HPAI) virus in a commercial egg layer operation in Weld County.

The State Veterinarian has issued a Quarantine Order in parts of Weld County to limit movement of birds in and out of the area.

You can review the Order here: Order of Area Quarantine - Weld15/16 Control Area (February 10, 2025).
Click to expand...
Continued: https://ag.colorado.gov/animals/reportable-diseases/avian-influenza/colorado-hpai-response
​
​
 
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