Dairy Veterinarians

Dr. Mark Hardesty

Dr. Mark Hardesty (Co –Owner) is a 1988 graduate of The Ohio State University College of Veterinary Medicine and received the Award for Excellence in Food Animal Medicine and Surgery. Dr. Hardesty also holds a Master’s degree in Dairy Nutrition and Management from Ohio State. He practices exclusively with dairy cattle and calves. Dr. Hardesty works in all aspects of production medicine, with special interests in Dairy Management, Cow Comfort, Building Design, Nutrition consulting, Milk Quality, milker training, heifer raising and vaccination programs.

Dr. Hardesty writes a monthly column in the Hoard’s Dairyman magazine. Dr. Hardesty is an active member of theAmerican Association of Bovine Practitioner’s, Ohio Dairy Vets, Tri-State Nutrition, Ohio Veterinary Medical Association, American Veterinary Medical Association, and received the Merial Preventive Medicine Award for Dairy in 2000. Dr. Hardesty served on Ohio’s Dairy Care Standards Committee and is involved in supporting local Ag Education. In 2014, Dr. Hardesty was named AABP Practitioner of the Year.

Dr. Emily Stayduhar

is a 2016 graduate of The Ohio State University College of Veterinery Medicine. Dr. Stayduhar is originally from western Pennsylvania, but she has become a proud Buckeye. She now resides in St. Henry with her husband and children. In her spare time Dr. Emily enjoys spending time with her dogs, running, and cheering on the Buckeyes with her family and friends. She has a passion for both large and small animals and her special interest include surgery, dairy management, and calf care. She is a member of OVMA, AVMA, and AABP.

Dr. Laura Nusbaum

Dr Laura Nusbaum is a 1999 graduate from the University of Findlay and 2004 graduate of The Ohio State University College of Veterinary Medicine. Dr. Nusbaum was from Defiance County; she now resides outside of New Bremen with her husband and children. Since joining our clinic in 2004, Dr. Laura devotes her time to both small and large animal care. Her special interests include small animal surgery, livestock and pet disease management, and calf care. She is a member of the OVMA, AVMA, and AABP. She also enjoys spending time with her family camping.

Dr. Andy Lefeld

Dr. Andy Lefeld is a 2015 graduate of The Ohio State University College of Veterinary Medicine. Dr. Lefeld is originally from Saint Henry. He now resides in New Bremen with his wife Stacey and children. Dr. Andy's clinical interests include dairy management and cattle reproduction. While not at work, he enjoys being outdoors with family and friends. He is a member of OVMA, AVMA and AABP.

Dr. Katie Buatois

is a 2024 graduate of Purdue University, College of Veterinary Medicine. She was born and raised in St. Louis, Missouri but has now moved to Ohio to join our practice. She enjoys cooking, traveling, spending time with family and cheering on all of the Purdue sports teams. Dr. Katie's special interests include small animal surgery and calf care. She is a member of OVMA, AVMA, and AABP.