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Home » Topics » Herd Health » Diagnostic Tests

Diagnostic Tests
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ARTICLES

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15 states added to National Milk Testing Strategy for H5N1

The USDA APHIS also shares critical updates on HPAI vaccines across species.
January 9, 2025
Karen Lee

The USDA’s Animal and Plant Health Inspection Service (APHIS) announced that 15 additional states have enrolled in the National Milk Testing Strategy (NMTS), bringing the total number of states to 28 in roughly one month since the program launched.


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HPAI update: Seven states added for milk testing; California declares state of emergency

National Milk Testing Strategy expands to cover nearly 50% of U.S. dairy production.
December 19, 2024
Karen Lee

The USDA’s Animal and Plant Health Inspection Service (APHIS) announced the second round of states coming on board as part of its National Milk Testing Strategy (NMTS) that was launched Dec. 6.


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Transition cow: Immune suppression or a state of immune robustness?

Multiple lines of evidence indicate the term “immune suppression” to describe the dynamic immune system around calving should evolve. Some aspects of the immune system are downregulated, but other aspects are upregulated and robust.
December 17, 2024
Lance Baumgard and Julie Opgenorth

Fresh cows are more susceptible to disease than at any other point in their lactation, and this is traditionally attributed to a suppressed immune system around calving. 


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Weekly Digest: Federal committee upholds dairy dietary guidelines

Climate-smart incentives offered while farm income falls for 2024.
December 12, 2024
Karen Lee

In the news as we approach the middle of December, a federal committee upholds dairy dietary guidelines, dairy farmers are invited to apply for financial incentives to implement climate-smart practices, farm income falls $41 billion in two years, and the first HPAI-positive dairy case is found in Nevada.


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USDA releases plans for nationwide HPAI milk testing strategy

The first round of testing includes California, Colorado, Michigan, Mississippi, Oregon and Pennsylvania.
December 9, 2024
Karen Lee

The USDA issued a new federal order on Friday, Dec. 6, that requires raw (unpasteurized) milk samples nationwide be collected and shared with the USDA to test for the prevalence of highly pathogenic avian influenza (HPAI) H5N1.


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Weekly Digest: USDA to begin bulk milk testing for H5N1

October 31, 2024
Karen Lee

Here’s an update on news impacting your dairy as October 2024 comes to an end.


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    Looking at Regulatory Factors of Milk and Selling Dairy Products

    July 31, 2024

    The safe consumption and distribution of milk and dairy products is highly regulated to keep customers safe. All farms are required to submit milk bulk tank samples for testing to ensure that there are no antibiotics present in the milk. When a milk tanker is contaminated, it costs farms and milk cooperatives money. That’s where services offered by a milk analysis laboratory come in to help prevent this problem from happening for dairies.


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    Weekly Digest: Colorado mandates statewide HPAI testing of dairy herds

    July 25, 2024
    Karen Lee

    In the news this week, Colorado is mandating weekly bulk tank testing for HPAI in milk for all commercial dairy herds. More than 500 organizations call for action on the new farm bill and reports are released for dairy markets and beef-on-dairy.


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    Investigating causes of late-term abortions

    Learn common pathogenic and nonpathogenic causes of late-term abortions and how dairy producers, their herd veterinarians and veterinary diagnostic laboratories can work together to help find the cause of late-term abortions.
    July 16, 2024
    Angela Rowson

    Learn common pathogenic and nonpathogenic causes of late-term abortions and how dairy producers, their herd veterinarian and veterinary diagnostic laboratories can work together to help find the cause of late-term abortions.


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    Liver biopsies: A cow’s mineral gauge

    Liver biopsies are a quick and efficient way of noting a cow’s trace mineral status.
    July 2, 2024
    Craig J. Louder

    Unfortunately, cows don’t have a dashboard with gauges to tell us which minerals they are low on. Minerals may be considered when things aren’t going well, but how do we know if minerals aren’t adequate? Liver biopsies allow us to check the actual status of the cow without assuming they are OK simply because minerals were offered in the feed. In that sense, liver biopsies are the gauge to tell us how the cow is doing.


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