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Dairy Technical Services Team

By Merck Animal Health

Merck Animal Health’s Dairy Technical Services team is dedicated to providing the resources that producers and veterinarians need to be successful. So when you could benefit from outside expertise such as health protocol advice or trouble-shooting diagnostics, this highly qualified team can assist you.

Todd Bilby, Ph.D., M.S.
Associate Director of Ruminant Technical Services
Fort Worth, Texas


Dr. Bilby received a Doctorate from the University of Florida and Master of Science in reproductive physiology from the University of Arkansas. He earned a bachelor’s degree in animal science from Oklahoma State University. After graduation, he worked for Monsanto’s dairy business in California, managing a dairy sales territory and providing technical support. In 2007, he joined the faculty at the University of Arizona as an assistant professor and extension dairy specialist. Most recently, Dr. Bilby served as a faculty member and dairy extension specialist at Texas A&M’s AgriLIFE Research and Extension. He is an adjunct professor for the University of Florida. In 2013, he joined Merck Animal Health. Dr. Bilby specializes in cattle reproduction, heat stress, dairy records and production systems and has authored numerous publications on these topics. He was recognized with the Top 40 Under 40 in Agriculture Award and American Dairy Science Foundation Scholar Award for his work in dairy production. He is a member of the American Dairy Science Association, Dairy Cattle Reproduction Council and Texas Animal Nutrition Council.

 

Mike Bolton, D.V.M., M.S.
Ruminant Technical Services Manager
Honor, Michigan


Dr. Bolton obtained his Doctor of Veterinary Medicine as well as his master’s degree in epidemiology from Michigan State University. He was a partner in a central Wisconsin dairy practice for eight years before moving back to his home state of Michigan where he served as part owner of a 10-person mixed animal practice, Town and Country Animal Clinic, for the next two decades. In 2006, he joined Merck Animal Health. Since then, he has co-authored several articles on Johne’s Disease research and vaccine development. Due to his interest in both animal welfare and employee well-being, he developed the first Dairy Care 365® training modules for dairy workers. These efforts continue with support from colleagues at Merck Animal Health. Dr. Bolton is a member of American Veterinary Medical Association, past president of the American Association of Bovine Practitioners (AABP) and past chair of the AABP Animal Welfare Committee. Recently, he obtained certificates in both Family Wealth Advising and Family Business Advising from Family Firm Institute.

 

Lowell Midla, D.V.M., M.S.
Ruminant Technical Services Manager
Ijamsville, Maryland


Dr. Midla earned a bachelor’s degree in natural science as well as a Veterinariae Medicinae Doctoris from the University of Pennsylvania. Following graduation, he joined a mixed animal practice in Pennsylvania. In 1994, he moved on to The Ohio State University, completing a food animal medicine and surgery residency while simultaneously earning a master’s degree. Two years later, Dr. Midla and his wife established a veterinary practice near Marianna, Pennsylvania. In 2001, he joined the faculty of The Ohio State University, practicing and teaching at the large animal ambulatory service. In 2016, Dr. Midla joined the ruminant technical services team at Merck Animal Health. Dr. Midla was appointed by the American Association of Bovine Practitioners to serve on the Council for Agricultural Science and Technology (CAST) Board of Representatives, from which he was elected to serve as CAST president in 2013.

 

Scott Nordstrom, D.V.M.
Associate Director of Ruminant Life Cycle Management
Middlebrook, Virginia


Dr. Nordstrom holds a Doctor of Veterinary Medicine from The Ohio State University, as well as a bachelor’s degree in animal husbandry from the Delaware Valley College of Science and Agriculture. He served as an attending veterinarian for Virginia Scientific Research after working several years at dairy and equine practices. He joined Merck Animal Health in 2001, and specializes in immunology, vaccine development and dairy animal health. Dr. Nordstrom has published more than 15 peer-reviewed articles and serves as a regular speaker for U.S. Department of Agriculture regarding water-borne infectious diseases in cattle. He is a member of several professional societies, including the American Association of Bovine Practitioners and American Association of Equine Practitioners.

 

Norm Stewart, D.V.M., M.S.
Ruminant Technical Services Manager
Crystal Lake, Illinois


Dr. Stewart earned a Doctor of Veterinary Medicine and master’s degree in animal breeding and genetics from The Ohio State University. Dr. Stewart, who has more than 30 years of experience in industrial veterinary medicine, joined a mixed animal practice in Ohio before beginning his career in technical services. In his current role at Merck Animal Health, he specializes in cow health, calf care and reproduction. Dr. Stewart’s research includes trials on antibiotics, reproductive technologies, biologicals and ectoparasiticides. Recognized as Veterinarian of the Year by the American Association of Industrial Veterinarians in 2000, Dr. Stewart is a member of several professional organizations, including the American Association of Bovine Practitioners, Academy of Veterinary Consultants and American Veterinary Medical Association.

 

Tommy Zerse, D.V.M.
Associate Director of Ruminant Technical Services
Hudson, Wisconsin


Dr. Zerse earned a bachelor’s degree from Augustana College and Doctor of Veterinary Medicine from Kansas State University. Throughout his career, he has worked in private practice, research and technical services. He practiced veterinary medicine in the upper Midwest with a primary emphasis on dairy and beef herd health management. Dr. Zerse has been an integral part of pre-clinical and clinical research teams as an investigator, technical advisor, and veterinary surgeon, resulting in agency approval of many types of biomedical technologies over the past 20 years. At Merck Animal Health, he focuses primarily on dairy and beef field technical services. Dr. Zerse also serves as the technical liaison for compliance and is the Designated Point of Contact for the U.S. cattle, swine, poultry and aquaculture businesses. Dr. Zerse is a member of several professional organizations, including the Academy of Veterinary Consultants and American Association of Bovine Practitioners.