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Home » Topics » Herd Health » Infectious Disease

Infectious Disease
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Iowa, Minnesota and Wyoming report cases of HPAI in dairy cattle

June 10, 2024
Karen Lee

Three new states have detected highly pathogenic avian influenza (HPAI) in a dairy cattle. Last week, state departments in Iowa, Minnesota and Wyoming reported cases of the disease, bringing the total of affected states to 12 and number of cases nationwide to just over 90.


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Protecting dairy workers from H5N1 bird flu: What employers and supervisors can do

June 10, 2024
Matt Solberg

While uncertainty still surrounds how humans can get the H5N1 bird flu virus from cattle, dairy producers, supervisors and workers continue their vital agricultural production in the frontline of these unfolding events.


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Third dairy farmworker diagnosed with H5N1; more herd status testing options available

The USDA received an additional $824 million in emergency funding and announced a pilot program to offer bulk milk testing prior to interstate animal movement.
June 3, 2024
Karen Lee

The U.S. Centers for Disease Control and Prevention (CDC) confirmed a third human case of highly pathogenic avian influenza (HPAI) A(H5) virus infection. The USDA is adding an additional $824 million in emergency funding to continue to provide critical rapid response activities and is launching a pilot program to give dairy producers more testing options prior to interstate movement of dairy cattle.


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Dairy herd in Colorado tests positive for HPAI

Mandatory testing for interstate cattle movement begins today.
April 29, 2024
Karen Lee

A dairy in Colorado has recently tested positive for the highly pathogenic avian influenza A (HPAI) H5N1 virus. This brings the total number of confirmed cases to 34 across nine states, according to the USDA Animal and Plant Health Inspection Service (APHIS).


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USDA mandates influenza A testing for interstate movement of dairy cattle

Effective April 29, these mandates for testing and reporting of results are intended to further protect livestock from the threat of HPAI.
April 24, 2024
Karen Lee

In response to the threat posed by highly pathogenic avian influenza (HPAI) H5N1, the USDA has announced proactive measures aimed at safeguarding the nation's livestock industry. The actions of mandated testing and reporting are designed to curb the spread of the disease.


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Implementing an autogenous vaccine for pinkeye: It’s so easy, even an academic vet can do it

Pinkeye development, treatment and prevention, and how to create and implement an autogenous vaccine.
April 17, 2024
Jessica McArt

A vet shares her experiences creating and implementing an autogenous vaccine for pinkeye, along with tips for treatment and prevention.



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HPAI confirmed in dairy cattle in eight states, some states restricting cattle movement

North Carolina and South Dakota are now among states with confirmed cases of HPAI. At least 18 states have placed restrictions on the movement of cattle.
April 15, 2024
Karen Lee

North Carolina and South Dakota were added to the list of states where highly pathogenic avian influenza (HPAI) has been detected in dairy cattle, with the USDA confirming one case in each state.


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Avian influenza cases confirmed on Idaho, New Mexico, Ohio dairies and one human

The strain of the virus in all herds remains similar to the first detected, and risk to public health remains low.
April 4, 2024
Karen Lee

The USDA Animal and Plant Health Inspection Service (APHIS) has confirmed the detection of highly pathogenic avian influenza (HPAI) in dairy herds in Idaho, New Mexico (two cases) and Ohio this week.


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Avian influenza best practices for dairy farms

Executive director of AABP, Fred Gingrich, shares preventive measures for farms to protect their animals and best practices for herds affected by the avian influenza.
April 4, 2024
Audrey Schmitz

The USDA, the FDA and the Centers for Disease Control and Prevention (CDC) jointly released a statement on March 25 confirming the identification of highly pathogenic avian influenza (HPAI) in dairy cattle. Here are several preventive measures for farms to protect their animals and best practices for herds affected by the avian influenza.


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Avian influenza identified as illness affecting dairy cows in the Southwest

USDA confirms highly pathogenic avian influenza (HPAI) in two dairy cattle herds in Texas and two herds in Kansas.
March 25, 2024
Karen Lee

On March 25, the USDA released that unpasteurized, clinical samples of milk from sick cattle collected from two dairy farms in Kansas and one in Texas, as well as an oropharyngeal swab from another dairy in Texas, have tested positive for highly pathogenic avian influenza (HPAI).


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