Dr. Dayton Williams, DVM

Dr. Dayton, was raised on a farm outside of Madison, SD. As a child he would care for and mend injured animals, like deer, ducks, and pheasants.

In 1986 he graduated from Iowa State University and interned at both Kansas City Zoo & Houston Zoo. For two years he practiced in Marshall, MN in a mixed animal hospital. Following that position he worked at Valley Animal Hospital for another two years and started practicing at the Great Plains Zoo.

Dr. Williams opened All Animal Pet Hospital in 1990 and continued working at the zoo. He specializes in exotic medicine and small animals.

Dr. Dayton and his wife Tracy, have one daughter, Kerri and two sons: Trayton and Dalton, many chickens, 3 goats, 2 dogs: Mauii and Ava, one cat named Rainy and one turkey named Tom.

Abby Ontjes – Certified Veterinary Technician

Abby started working with us in 2016. Prior to that she worked in a Large Animal practice for 2 years. Abby graduated in 2013 and received her certification followed by an internship at the Great Plains Zoo with the keepers and loved working with the goats and ewes! Abby has 3 dogs, 3 cats and 3 chinchillas at home. She loves to learn more ways to help animals and one day wants to have her certification in physical therapy.

Abby Ontjes

Jade Heilman – Veterinary Assistant

Jade started working with us in August 2019. She graduated in 2019 from SDSU with a bachelor degree in Biology and pre-veterinary medicine and minors in animal health and theatre. She has a dog and a cat (who thinks he is a dog) at home. In her free time, she likes to knit and watch plays and musicals. This is her first veterinary job.

Lisa Busby – Veterinary Assistant

Lisa started working with us in March of 2019. Ever since she was little, she knew she wanted to take care of animals. Bringing home every injured animal she could find to help heal it and release it back into the wild. Starting college in 2015 as a vet tech, she graduated in 2019 with an Associates Degree in Business. Although she was a business degree, she never stopped helping animals in need. The opportunity came to work with us and she has been happy here ever since. Taking care of three dogs at home as well as working here she spends everyday with all different types of animals, there is never a time the she is not with an animal.