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HPAI H5N1 Virus in Dairy Cattle – What We Know

In March 2024, Highly Pathogenic Avian Influenza (HPAI) A (H5N1), commonly referred to as bird flu, was confirmed in domestic U.S. livestock for the first time in a dairy operation in Texas. Since then, the virus has spread to 299 dairy operations across 14 states, raising widespread uncertainty throughout the dairy and livestock markets. Industry participants have raised concerns about the outbreak's potential impact on consumer perception and demand for dairy and meat products, though government agencies reiterate that the national food supply remains safe. Expana is closely monitoring the...

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Oct 10 1:31 PM, UB Newswires



Penn State Tests Dairy Herd for Bird Flu in Support of State Surveillance Effort

Animal health experts in Penn State’s College of Agricultural Sciences have announced that — out of an abundance of caution — they will test the University’s dairy herd for highly pathogenic avian influenza, or HPAI, under a voluntary state testing program.

The announcement comes amidst an outbreak of bird flu that has affected dairy cattle in more than a dozen states since March. As of July 19, the virus had not been found in Pennsylvania dairy herds, according to the U.S. Department of Agriculture and state animal...

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Jul 22 10:15 AM, Urner Barry


Brazil Reports First Outbreak of Newcastle Disease in Poultry Since 2006

Brazil's Ministry of Agriculture and Livestock (MAPA) has reported an outbreak of Newcastle disease in a commercial poultry flock in the municipality of Anta Gorda, Rio Grande do Sul state.

MAPA said the poultry farm was immediately quarantined. All birds will be culled, the farm disinfected, and a complementary investigation will also be carried out within a 10 km radius around the area where the outbreak occurred, in accordance with the national Avian Influenza and Newcastle Disease Contingency Plan...

 

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Jul 19 8:00 AM, FeedInfo


Highly Pathogenic Avian Influenza Detected in Wyoming Dairy Herd

The Wyoming Livestock Board (WLSB) and the Wyoming Department of Agriculture (WDA) have received confirmation from the United States Department of Agriculture’s (USDA) National Veterinary Services Laboratory (NVSL) of the detection of highly pathogenic avian influenza (HPAI) in a dairy cattle herd in Wyoming. The detection was first identified in samples received by the Wyoming State Veterinary Laboratory. This is the first confirmed case of HPAI in a dairy farm in Wyoming.

The Wyoming Livestock Board (WLSB) and the Wyoming Department of Agriculture (WDA) have received confirmation...

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Jun 10 8:55 AM, Urner Barry


MDARD: Highly Pathogenic Avian Influenza Detected in Three New Dairy Herds

Today, Michigan Department of Agriculture and Rural Development (MDARD) Director Tim Boring announced the detection of highly pathogenic avian influenza (HPAI) in additional dairy herds from Clinton, Gratiot, and Ionia counties. Testing through the Michigan State University Veterinary Diagnostic Laboratory detected this case. Samples have been sent to the U.S. Department of Agriculture’s (USDA) National Veterinary Services Laboratories for additional confirmatory testing.

Regardless of species, biosecurity remains the best tool available to combat HPAI. On May 1, 2024, Director Boring issued the Determination of Extraordinary Emergency HPAI Risk Reduction...

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May 22 8:00 AM, Urner Barry


MDARD: Designates Two Bovine Tuberculosis Testing Areas

Today, due to the detection of bovine tuberculosis (TB) in wild deer from Benzie, Crawford, and Otsego counties during the 2023 deer hunting season, Michigan Department of Agriculture and Rural Development (MDARD) Dr. Tim Boring has designated two bovine TB testing areas. One area includes specific portions of Benzie and Manistee counties, and the other includes portions of Crawford and Otsego counties. Testing all the cattle and bison herds within these areas will help to protect animal health, public health, and market access for Michigan's cattle, meat, and milk products...

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May 20 8:08 AM, Urner Barry


Herbruck's Poultry Ranch Laying Off About 400 Staff in Michigan Due to Bird Flu

Herbruck's Poultry Ranch is temporarily laying off about 400 employees in Michigan due to the spread of bird flu.

The company's chief human resources officer Stephanie Kempa said the virus impacted the company's hen population at some farms in Ionia County.

"The company plans to rehire many positions as hen replenishing and egg production increases," Kempa said in a letter to the state Department of Labor and Economic Opportunity.

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May 17 3:48 PM, FeedInfo


USDA Confirms Detection of Avian Influenza in Dairy Cattle in Colorado

Yesterday, the US Department of Agriculture’s (USDA) National Veterinary Services Laboratory (NVSL) confirmed a detection of Highly Pathogenic Avian Influenza (HPAI) H5N1 in dairy cows in Northeast Colorado. This is the first detection of avian influenza diagnosed in cattle in Colorado. Detections of HPAI in dairy cattle have occurred in eight other states.

On Monday, April 22, the Colorado State Veterinarian’s office received a notification of a dairy herd demonstrating clinical signs consistent with HPAI in cattle. Samples submitted to the Colorado State University Veterinary Diagnostic Laboratory tested presumptive positive for HPAI on April 24, and were confirmed by the USDA's National Veterinary Services Laboratory on April 25.

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Apr 30 8:00 AM, Urner Barry


USDA Issues FAQ on Federal Order Requiring Bird Flu Testing in Dairy Cattle

On Wednesday, the U.S. Department of Agriculture (USDA) announced a Federal Order requiring mandatory testing of lactating dairy cattle for bird flu before interstate movement. Effective Monday, April 29, 2024, the order also mandates reporting positive influenza A test results in livestock to USDA’s Animal & Plant Health Inspection Service (APHIS). 

Highly pathogenic avian influenza (HPAI) causes less severe illness in cattle than in poultry, in which the virus is typically fatal, but remains a concern for livestock and humans who come into contact with infected animals...

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Apr 26 7:31 AM, UB Newswires


Cow-to-Cow Transmission Confirmed as a Factor in Spread of H5N1

In an update provided by the USDA, the agency confirmed that cow-to-cow transmission is a factor in the spread of H5N1 bird flu in dairy herds.

However, it remains unclear exactly how the virus is being moved around. “We know that the virus is shed in milk at high concentrations; therefore, anything that comes in contact with unpasteurized milk, spilled milk, etc. may spread the virus,” explained the USDA.

The government stressed the importance of biosecurity, including the movement of people, animals, vehicles, and...

 

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Apr 22 8:13 AM, UB Newswires


Highly Pathogenic Avian Influenza Confirmed in North Carolina Dairy Herd

Highly pathogenic avian influenza (HPAI) was detected in a dairy herd in North Carolina on April 10, bringing the number of states with confirmed cases of HPAI in livestock to seven. 

HPAI has previously been detected in nine dairy herds in Texas, three in Kansas, two in New Mexico, and one each in Michigan, Idaho, and Ohio. The movement of cattle from affected herds in these states to North Carolina has been suspended. 

“This is an evolving situation, and we are waiting for more diagnostics from NVSL and will work collaboratively with our federal partners and dairy farmers in North Carolina,” said Agriculture Commissioner Steve Troxler...

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Apr 11 7:07 AM, UB Newswires


States with HPAI-Infected Dairy Cows Grows to Six

A herd of dairy cattle in Ohio has been infected with highly pathogenic avian influenza (HPAI), increasing the number of states with dairy operations affected by the virus to six.

The Ohio Department of Agriculture (ODA) on April 3 announced it had received confirmation from the U.S. Department of Agriculture’s (USDA) National Veterinary Services Laboratory (NVSL) of HPAI infection in a dairy cattle herd in Wood County, Ohio.

The USDA previously confirmed the H5N1 strain of HPAI in dairy cattle on seven Texas farms, two in Kansas, and one each...

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Apr 5 8:03 AM, Urner Barry


Second US Human Case of Avian Influenza H5N1 Linked to Dairy Cattle Exposure Confirmed

The United States has just confirmed a new case of a person testing positive for highly pathogenic avian influenza (HPAI) A(H5N1) virus in Texas, the country's second human case since a previous incident in Colorado in 2022. The patient had been exposed to dairy cattle presumed to be infected with H5N1, raising concerns amongst the livestock sector and related businesses. However, the Centers for Disease Control and Prevention (CDC) maintains the risk to the general public as low...

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Apr 2 10:47 AM, Urner Barry


Commercial Broiler Flock in Nebraska Tests Positive for Bird Flu

A commercial broiler flock of 102,000 birds in Gage County, Nebraska recently tested positive for highly pathogenic avian influenza (HPAI). The detection was confirmed by the U.S. Department of Agriculture on February 6, marking the first outbreak in a commercial flock for the state since November 2022. 

Several small WOAH poultry and non-poultry operations in Nebraska were affected by HPAI between December 2022 and December 2023. 

“Nebraska hasn’t had any reported cases of HPAI for a few months so while we are disappointed, we are not surprised, to see another case...

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Feb 9 8:01 AM, UB Newswires


More than 13,000 Turkeys Affected By HPAI in Indiana 

A flock of 13,071 turkeys are being quarantined in Indiana after a commercial farm tested positive for the highly pathogenic avian influenza, commonly referred to as the Bird Flu. The outbreak was reported out of Daviess County and according to the USDA, is the first reported outbreak of a commercial flock in the state since December 2023.

The birds will be depopulated, and birds of nearby flocks will be tested in an effort to prevent the disease from spreading. 

To further monitor the situation...

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Jan 25 8:00 AM, UB Newswires







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