Why has interest increased in testing for volatile fatty acid (VFA) profiles in silages? Because nutritionists are looking for ways to better fine-tune rations, and because laboratories have responded with advanced technologies in testing for VFA’s. Dr. Bill Mahanna, coordinator of global nutritional sciences for Pioneer Hi-Bred, provides a brief refresher on VFA’s. Citing Pioneer research, he offers observations on the challenges in conducting accurate testing, due largely to variability, to help nutritionists and producers determine reasonable expectations for profiling

Dr. Bill Mahanna on volatile fatty acid profiles (4:30 min MP3)

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