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Controlled Urea Release for Efficient Nitrogen Utilisation in Dairy Cows

September 10, 2026

Feed urea is a proven and economical source of nitrogen in dairy cow nutrition. When it comes to nitrogen utilisation, however, timing is what matters.

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In the rumen, urea is rapidly hydrolysed to ammonia. For microbial protein synthesis, the availability of ammonia must be matched to microbial activity and to the supply of fermentable energy.

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If ammonia is released faster than the rumen microorganisms can use it, the efficiency of nitrogen utilisation can decline.

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This is where controlled urea release can make a difference.

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NuriProtect Urea 89% has a rumen-stable fat coating designed to release the urea nitrogen gradually over several hours. This contributes to a more even supply of rumen-available nitrogen and helps to better match nitrogen availability to microbial activity.

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The key benefits:

  • Controlled and gradual nitrogen release
  • Better alignment of nitrogen availability and microbial activity
  • Support for microbial protein synthesis
  • Efficient utilisation of the nitrogen from the ration
  • More flexibility in ration formulation for dairy cows

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The principle is simple:

It is not only about providing nitrogen. What is decisive is matching nitrogen availability to microbial activity in order to enable efficient nitrogen utilisation.

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Would you like to learn more about NuriProtect Urea 89% and the potential of controlled nitrogen release in dairy cow nutrition?

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