TMR digestibility compared using NIRS vs. wet chemistry

TMR digestibility compared using NIRS vs. wet chemistry

Measures of apparent TMRD, calculated using NIRS-predicted parameters, are not well correlated to wet chemistry TMRD for commercial dairies.

By JOHN GOESER and JACOB KARLEN*

*Dr. John Goeser and Jacob Karlen are with Rock River Laboratory Inc. Goeser is also holds an adjunct position with the University of Wisconsin-Madison department of dairy science.

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