July 26, 2013
RUFAL stands for Rumen Unsaturated Fatty Acid Load and is a number meant to show the total unsaturated fatty acid level entering the rumen from all feeds consumed each day. It was designed to be a better indicator of fermentation disruption in the rumen than just relying on the percentage of fat added to the diet.
RUFAL is NOT a perfect indicator of when a herd will have milk fat depression. Rather, if a herd IS having milk fat depression, RUFAL values can be evaluated to determine if high levels of unsaturated fatty acids should be included as a possible risk factor.
Want to know more about RUFAL values? Download this PDF Guide on The Meaning of RUFAL Value by Dr. Tom Jenkins for a more in-depth Q&A on how to most effectively use this measure of fatty acid levels in your nutrition efforts.
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