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Holstein calves
Guernsey udder
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April 25, 2016 Product Preview images
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newborn Jersey calf and dam

What’s lurking in your colostrum?

Mon, 08/29/2016

Important nutrients and immune building molecules are all components of a calf’s first meal, but that colostrum may also be a vehicle for some unwanted guests.


By Maggie Seiler, Hoard’s Dairyman Associate Editor

Are bacteria derailing your carefully crafted colostrum program? That is an important question to address on farms as USDA reports and calf specialists still suggest 40 to 50 percent of calves in the U.S. do not receive adequate passive transfer of immunoglobulins (IgG).

The discussion surrounding passive transfer of IgGs has led the industry to develop many tools to test colostrum quality. These tools do an excellent job of identifying colostrum with high levels of IgGs, but they do not tell us anything about the cleanliness of the colostrum. Read more

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