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Our Team

GPS Dairy Consulting, LLC is an integrated team of independent consultants who will work together to provide a broad offering of services, tools, and expertise to deliver success to your dairy and to help you achieve your most challenging goals.



King Hickman, DVMKing Hickman, DVM is a founding partner of GPS Dairy Consulting, LLC (2009). He has been working in the Dairy industry since 1989 and became an owner and partner of Dairy Production Services, Inc. in 2006. Dr. Hickman provides extensive independent nutritional and management consulting including feeding and bunk management, planning and implementation of forage plans, procurement of bids, and sourcing and implementation of growing heifer programs. Other services include review and design of vaccination schedules, biosecurity and herd health protocols; milk quality consultation as well as review of and advice on reproductive programs and overall monitoring of herd performance. more

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Jim Barmore, MSc, PASJim Barmore, MSc, PAS is a founding partner of GPS Dairy Consulting, LLC (2009) and has been providing technical service and management expertise to dairies since 1983. In 2003, he started and was owner/operator of Five-Star Dairy Consulting. Jim provides comprehensive independent nutrition and management consulting to larger dairies, focusing in the areas of forage management, feeding and bunk management, ingredient procurement and inventory management, herd performance monitoring and financial evaluation, cow comfort and facilities expertise, and heifer management. His consulting also involves training, leadership and people development, commercial development and product evaluation, and technical support in the area of nutrition and herd management. more

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Marty Faldet, PhD, PAS Marty Faldet, PhD, PAS is a founding partner of GPS Dairy Consulting, LLC (2009). Marty has been consulting with Dairy farms in the areas of nutrition and management since 1990. He became owner/operator of Faldet Dairy Consulting, Inc. in 2002. As an independent dairy consultant he provides extensive nutrition and management consultation to dairies, focusing in the areas of feeding and inventory management, feed procurement, record and herd performance analysis, cow comfort, heat abatement, facilities, forage and crop plans, and heifer management. more

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Greg Bethard, Ph.DGreg Bethard, PhD
Since 2000, Greg has operated G&R Dairy Consulting, Inc. in Wytheville, Va. with his wife Rachel. Their firm has served clients throughout the US, Europe, and Mexico, focusing on nutrition, facilities, management, business planning, and financial and records-analysis services. Greg also serves as Assistant Director for Dairy Technology for Dairy Records Management Systems (DRMS) at North Carolina State University in Raleigh, NC and Iowa State University in Ames, IA. In this role Greg provides leadership in the application of dairy science principles to the development of management information and applications software for dairy producers and dairy industry professionals. more

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Sarah Daugherty, MSc PASSarah Daugherty, MSc PAS, owner Daugherty Consulting, LLC has been a nutrition consultant for over eight years. For two years prior to owning her own business, Sarah worked as an instructor in the Dairy Herd Management and Farm Business Production Management programs at Southwest Wisconsin Technical College. Prior to teaching, Sarah worked as a nutrition consultant at Cuba City Feed Mill in Cuba City, WI. Sarah provides independent nutritional consultation and has a particular interest in improving milk production, milk components, reproductive status and metabolic disease by addressing first the health of the animal through nutrition, and second the specific facility challenges and/or management styles of the operation. She strives to understand the goals of an operation and then develops a practical plan to achieve them as quickly as possible. more

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Ken Schulte, DVMDon Deetz, PhD, PAS
is owner of GW Dairy Consulting, LLC. A native of west central Wisconsin, Don offers greater than twenty years of experience in providing dairy nutrition and management counsel to dairy operators, primarily in the upper midwest and northeast regions of the United States. Don provides exclusive, independent counsel in the areas of nutrition and management programs, featuring evaluations of herd production, health and reproductive performance records; forage inventory evaluations; planning and implementation of forage plans; and implementation of programs for growing dairy heifers. more

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Edwin J. Kreykes DVMEdwin J. Kreykes, DVM owner of Dairy Health Services, located in Sanborn, Iowa since 1990 has been a respected dairy consultant for over 30 years. Before starting his dairy production medicine practice Dr. Kreykes was in a general mixed practice in Hartley, Iowa. He currently provides quality independent nutrition, reproduction, record analysis, biosecurity programs, milk quality, and other production medicine services for dairy herds in western and central Iowa and South Dakota. Other areas of interest include general management consulting, protocol development, employee training, and continuous improvement within the whole dairy enterprise. Extensive use is made of dairy records software programs PCDART and Dairy Comp 305 for monitoring of herd performance. more

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Bill Matzke, MSc, PASBill Matzke, MSc, PAS,
has more than 17 years of dairy nutrition and management consulting experience. In 2006, Bill formed Matzke Dairy Consulting LLC with the goal of providing his clients with an independent consultant's perspective. He has a proven track record of comprehensive dairy consulting, addressing not only nutrition, but also feeding management, forage production, ingredient sourcing, and cow comfort. In addition, he analyzes herd performance and financial data to help his clients achieve their goals.

Originally from Nebraska, Bill became interested in cattle at an early age. He received his undergraduate degree from the University of Nebraska and then worked for Pennfield Feeds, covering southern New York and northern Pennsylvania as a dairy specialist. more

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Erin Mosley, PhDErin Mosley, PhD
As owner of Mosley Dairy Consulting, LLC, Dr. Mosley provides independent dairy nutrition consultation focusing on the utilization of currently available software and technology to aid in the evaluation of feed and cow health related data to help identify key areas of opportunity for production, health, and financial improvement. She comes to Minnesota after working as a nutrition manager for a large dairy operation in Idaho where her role focused on quality control for feed inventory, handling, and usage for over 30,000 dairy cattle and 20,000 heifers, including preparation of routine financial feed related information. Dr. Mosley also developed calf and heifer rations and monitored cow health related data. more

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Chad Mullins, PhDChad Mullins, PhD
Chad Mullins, PhD owns and operates Dairystrong Consulting, LLC. Dr. Mullins works domestically and internationally providing independent nutrition and management consulting related to transition cow health, crop and inventory planning, protocol development, utilizing alternative feedstuffs, and product evaluation.

Dr. Mullins is originally from Falls City, Nebraska. He received his Bachelor of Science in Animal Production from the University of Nebraska and then attended Kansas State University to obtain a Master of Science and doctorate. Chad has done extensive research on improving transition cow health, optimizing high-fiber byproduct inclusion rates, and amino acid balancing. more

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