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Animal Industry Report

Extension Number

ASL R2601

Topic

Dairy

Summary and Implications

We provide evidence that T-cell responses to Mycobacteria bovis are suppressed by the production of 1,25-dihydroxyvitamin D3 in monocytes and B-cells from cattle. Current vitamin D requirements for cattle are solely based on the classical endocrine mechanism of vitamin D signaling that regulates calcium homeostasis and should be re-evaluated to account for vitamin D signaling mechanisms in the immune system.

Copyright Holder

Iowa State University

Language

en

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