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Iowa State University

Iowa State University

Foreword to the Iowa State University
2014 Animal Industry Report

1221 Kildee Hall
Ames, IA 50011-3150
Ph. 515 294-2160
Fax 515 294-6994

January, 2014

We at Iowa State University are again pleased to bring you this annual report of research activities that impact animal agriculture industries in Iowa. This report combines research reports from faculty associated with various departments on campus. We have attempted to bring you all of the research as it relates to the Beef, Dairy, Equine, Poultry, Sheep, Swine and companion animal industries in the state of Iowa. This research is conducted to support the viability and sustainability of each of these industries in Iowa. Keeping our animal industries competitive and contributing to the economy of the state is an important focus of our research program. The research reported here is supported by the Iowa Agriculture and Home Economics Experiment Station.

There is a special thanks to the various funding agencies that support the research enterprise at Iowa State University. Without their support, we would not be able to conduct the amount and quality of research as reported. The research support comes from several sources, from federal research funds, commodity funds and industry research support.

As you read through the research reports you will find a variety of research as it relates to the animal agriculture industries in Iowa. Some research relates to improving production efficiencies while other research relates to improving environmental quality, animal health, animal product food safety and animal behavior and well-being. These all are important aspects of keeping animal agriculture strong and viable and contributing to the economy and quality of life in Iowa. I hope that you read the research reports and feel free to contact the authors of any report if you need further information.


Maynard Hogberg
Professor and Chair
Department of Animal Science

Iowa State University Faculty and Staff Responsible for this Report

Editor: Dr. John Mabry
Staff Coordination: Julie Roberts
Graphic Design: Sherry Hoyer

Section Coordinators:
Animal Health: Dr. James McKean
Animal Products: Dr. Dong Ahn
Beef: Dr. Dan Loy
Companion Animals: Dr. Matthew Ellinwood
Dairy: Dr. Leo Timms
Environmental: Dr. James Russell
Equine: Dr. Peggy Miller Auwerda
Poultry: Dr. Hongwei Xin
Sheep & Goats: Dr. Dan Morrical
Swine: Dr. Jason Ross
Teaching: Dr. Jodi Sterle

Check out these Iowa State University Web sites for more information:
Animal Science Department
Agricultural and Biosystems Engineering Department
Veterinary Diagnostic and Production Animal Medicine
Economics Department
Iowa Beef Center
Iowa Pork Industry Center