Greener milk: How to make cow's nitrogen intake efficient

The amount of nitrogen that is excreted by livestock is directly proportional to the amount it is fed. This is according to Chris Reynolds a researcher in nutritional physiology of ruminants at the University of Reading, ...

Vitamin D supplement may enhance dairy cows' immune health

Known as a crucial component in the body's ability to absorb and retain calcium, essential to processes such as the development and maintenance of healthy bones, vitamin D has also been found to play important roles in immune ...

The lifetime journeys of manure-based microbes

Studies at the U.S. Department of Agriculture (USDA) are shedding some light on the microbes that dwell in cattle manure—what they are, where they thrive, where they struggle, and where they can end up.

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