NEN Webcast – Trace mineral nutrition

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Sponsored By:

Target Audience:

  • Dairy Nutritionists

Feeding bioavailable forms of zinc, copper and manganese generally results in enhanced milk production, better reproductive performance and decreased somatic cell count. It’s definitely an opportunity area in ration formulation for dairy nutritionists to explore with their clients.

Attend this On Demand webinar to learn more from two industry experts on trace minerals and their use in ration formulation.


Tom Quaife
Former Editor, Dairy Herd Management


Bill Weiss PH. D.
Professor & Extension Specialist, Dairy Cattle Nutrition, Ohio State University

Professor and Extension Specialist of Dairy Cattle Nutrition in the Department of Animal Sciences at The Ohio State University located at the Ohio Agricultural Research and Development Center (OARDC) in Wooster.   He obtained his B.S. from Purdue University and Ph.D. from The Ohio State University.  He has been on the faculty of OSU since 1989.  He has authored or co-authored 107 peer-reviewed papers, 8 book chapters, and 225 Extension-type papers, and was a member of the NRC committee that wrote the 2001 Dairy Cattle Requirements Book.  He given more than 225 invited presentation to both national and international audiences and has obtained over 4 million dollars in extramural funding to support his research.  His main research areas are: 1) Factors affecting nutrient excretion by dairy cows; 2) Determining the nutritional value of forages and alternative feedstuffs when fed to dairy cows; 3) Relationships between minerals/vitamins  and health of dairy cows; 4) Effect of variability in supply of nutrients on productivity of dairy cows and profitability of dairy farms.  He conducts extension workshops on dairy cattle nutrition and management and teaches a dairy nutrition/management course to veterinary students and advanced bioenergetics course.


Jim Richards, PH. D.
Executive Manager of Biology, Research & Science Fellow, Novus International

Dr. Jim Richards is Executive Manager of Biology Research & Science FEllo at Novus International, Inc. He received his B.A. in Biology from Ginnell College, and earned his Ph. D. in Microbiology (Program in Immunology) from the University of California at San Francisco, where he studied B cell antigen receptor signaling events in cell culture and mouse models. 

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