How much is really needed?

In 2001, the National Research Council (NRC) conducted a meta-analysis and determined that the break point for metabolizable (MP) lysine is 7.2%. MP lysine is the amount of lysine passing through the rumen in a form that is available for absorption in the small intestine. This level of MP lysine:

  • Supports maximum milk production 
  • Optimizes milk component levels
  • Allows for better nitrogen efficiency

Percent Lysine in MP

Balancing for AA has, without question, been a contributing factor to higher milk yields, higher milk component levels, and greater herd profitability for many dairy producers.

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