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How do buffers such as sodium bicarbonate and magnesium oxide increase the fat content of milk, and under what dietary circumstances would one expect a more significant effect?

Last Updated: August 13, 2007

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The buffers help keep the rumen pH in proper balance for acetic acid formation. Acetic acid is responsible for milk fat production. Diets that are high in grain and/or corn silage and low in fiber are typical diets for which you will see a significant positive effect of using buffers. Dave Fischer, University of Illinois Dairy Educator - Illini DairyNET

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