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Equine Veterinary Services clinic in Terrrell, Texas
About Us

Our Mission Statement

Our mission at Equine Veterinary Services is to provide top quality lameness, reproductive and illness care coupled with superior wellness programs for horses in an effort to allow each individual horse to accomplish the competitive goals of their owners and the recreational value we all seek to have a happy, healthy and successful life.

About Us

Equine Veterinary Services (EVS) is a full-service veterinary clinic and breeding facility located in Terrell. Founded as an ambulatory practice in January of 1992 by Dr. Kenton H. Arnold, EVS was originally based in Sunnyvale, Equine Veterinary Services relocated a year later to its current location, a 38-acre picturesque facility located at I-20 and FM 2578 in Terrell, TX.

The entire EVS staff is dedicated to providing high quality, comprehensive medical care for horses in Dallas, Kaufman, Rockwall and Van Zandt Counties. The equine veterinary clinic focuses on performance horse lameness and reproductive issues as well as wellness programs for all breeds.


Dr. Kenton H. ArnoldDr. Kenton H. Arnold Shows Justa Lena, coming in 4th in the 2010 AQHA Amateur World Show

Kenton H. Arnold, DVM

Dr. Arnold holds degrees from Southwest Texas State University and Texas A&M University as well as a doctorate of Veterinary Medicine from Texas A&M University. An active member of the American Association of Equine Practitioners, he writes for equestrian publications on issues related to the health and well-being of performance and breeding horses. Dr. Arnold has served as a regular columnist for multiple equine publications and was a Founding Board Member for the Texas Horse Park.

Dr. Arnold is an avid cutting horse enthusiast, competing on a regular basis in NCHA, and AQHA competitions. He has been a top ten finisher multiple times in both cutting and pole bending competition at the prestigious AQHA World Show.

Prior to establishing his own private practice, Dr. Arnold was an associate veterinarian with Equiplex Veterinary Hospital in Flower Mound, where he worked with Dr. Bobby Willard.

Dr. Arnold is a founding associate of Animal Imaging, an outpatient imaging facility which provides state-of-the-art diagnostic imaging services to veterinarians, located in Irving. Dr. Arnold currently serves on the membership committee of the Texas Equine Veterinary Association, where he is also involved with the organization's Equitarian Outreach Project in Guatemala.

Dr. Jennifer Wickline

Jennifer Wickline, DVM

Dr. Jennifer Wickline first joined Equine Veterinary Services as an Associate Veterinarian in June of 2012 after completing a professional internship with Reata Equine Hospital in Weatherford, TX. She left EVS in December of 2014 and returned to Weatherford working with Dr. Leea Arnold at The Arnold Reproduction Center. In December of 2016, Dr. Wickline returned to EVS as a full-time veterinarian. Today she works as a part-time Associate at the Terrell equine clinic. She has a life&45;time of equine experience as a competitor and owner, and prides herself on being a top equine veterinarian.

Dr. Wickline is a 2007 Magna Cum Laude graduate of Texas A&M University in Biomedical Science. She graduated from the Texas A&M School of Veterinary Medicine in 2011 with honors. She first became interested in veterinary medicine during a co&45;op class her senior year in high school with Dr. Arnold at Equine Veterinary Services. It was during this time that her interest in breeding, equine medicine and lameness first became evident. Today she utilizes her vast knowledge of horses to practice high-quality medicine with a special flair toward breeding.

Dr. Wickline, her husband Steven Collins and their son Noah live in Wills Point, TX. They enjoy traveling the world together.

Dr. Caroline Zouvi

Caroline Zouvi, DVM

Coming Soon

EVS Staff

Regina Calverley

Regina Calverley, Sr. Admin. Specialist
Team Leader

Regina Calverley joined EVS in June of 2021 as an Administrative Specialist. She brings with her decades of experience from the printing and estate sales industries to the role. Regina's equine experience is limited to being a fan of rodeo and watching her four grandchildren compete in equestrian events - yet she loves the friendly folks in the industry. Her experience in customer service and administrative organizational skills have made her an asset in her role at EVS. Regina's leadership skills gained her a promotion to Senior Administrative Specialist - Team Leader in February 2022. Regina and her husband Mark have been married for 35-years and enjoying anything they do together.

Jan Stonestreet

Jan Stonestreet, Admin. Specialist

Jan Stonestreet joined EVS in January of 2022 as an Administrative Specialist after working for the clinic a decade before. She is known at EVS for her welcoming smile and helpful attitude &45; and knowledge of the equine industry. Jan has a Bachelor's degree in Music and a Masters in Curriculum and Instruction, which led her to a 35&45;year career in education. A native Texan, Jan was born in Corpus Christi and raised in Garland. Today she lives with her hubby and her two youngest kids on a small ranch in Rockwall County. Jan has six kids and seven grandkids - most of who are equine obsessed. Jan loves working with horse people and believes they are the heart and soul of Texas!

Isabel Gregory

Isabel Gregory, Sr. Vet Tech

Isabel Gregory, a Dallas native and graduate of Southern Methodist University, completed both the EVS Level I and Level II Internships prior to being hired as a Vet Assistant in 2020. A natural with horses, Isabel was promoted to Vet Tech in March of 2021 and today works as a Senior Vet Tech here at EVS. She has a strong equine background as both a competitor and owner, and is a true horsewoman. Isabel is married to Corey Gendron and plans to attend veterinary school in the future.

Maddie Frizzell, Veterinary Tech

Maddie Frizzell, Vet Tech

Maddie Frizzell joined EVS in the summer of 2016 as an intern, and now works with the clinic as a seasonal Veterinary Technician. She is an honors graduate of Rockwall High School and Oklahoma State University. Maddie grew up showing Arabians and half-Arabians, and says that is where her interest in veterinary medicine was born. She is currently attending OSU School of Veterinary Medicine.

Katie Stockum

Katie Stockum, Vet Tech

Katie Stockum began her career with EVS as a summer intern in 2018 and returned in 2019 as a Level 2 Intern. Upon completion of the full EVS internship program, Katie joined the staff of Equine Veterinary Services as a Veterinary Assistant. Today she works as a Seasonal Vet Tech. She is a graduate of Highland Park High School and Texas A&M University. She currently attends Texas A&M University School of Veterinary Medicine. Katie is a true natural with a horse and has superior equine handling skills.

Terra Turrin, LVT

Terra Turrin, LVT - Vet Tech

Licensed Veterinary Technician Terra Turrin is originally from Pomona California and is a graduate of Carrington College for Veterinary Technology. Terra has experience at the SoCal Equine Hospital and the Santa Anita Racetrack as well as several multi-species clinics in California. She completed both the EVS Level I and Level II Internships in 2021. In 2022 Terra became a Licensed Veterinary Technician in the state of Texas. She is an avid photographer, concert lover and enjoys working special events at the Mesquite Rodeo when time allows.

Jailinne Venzor

Jailinne Venzor - Vet Tech

Mary Cordray

Mary Cordray, Vet Assistant
Team Leader

Mary Cordray joined EVS in May of 2021 as a Vet Assistant. She has a lifetime of equine involvement and skills and has worked as a groom, ranch hand, assistant trainer and in the management of multiple barns. Mary is a huge asset to the equine clinic and was promoted to EVS Vet Assistant Team Leader in December of 2021. Mary has a professional background in Customer Service and Sales yet her passion remains in horses. When not working she enjoys spending time with her family.

Mia Redman

Mia Redman, Vet Assistant

Mia Redman, a graduate of Scurry Rosser High School and Trinity Valley Community College, joined EVS as a Veterinary Assistant in August of 2020. She has experience as a Ranch Hand, colt starter and Assistant Barn Manager for multiple facilities. Mia is currently taking Business Administration classes through Western Governor's University in pursuit of a BSN. She is a knowledgeable horsewoman and an excellent foal caregiver. Mia serves on the Tawakoni Saddle Club Board and is also an avid barrel racer.

Sarah Guyn

Sarah Guyn, Sr. Ranch Assistant
Team Leader

Sarah Guyn, from Royce City, joined EVS in October of 2021 as a Ranch Assistant. A self-proclaimed horse girl, she attended Texas A&M University in Commerce with a pre-veterinary concentration. Sarah's superior equine care, hard work and attention to detail earned her a promotion in April of 2022 to Sr. Ranch Assistant - Team Leader. When not working she enjoys drawing, riding and caring for multiple personal pets including two bearded dragons.

Kylee Herrin

Kylee Herrin, Ranch Assistant

Kylee Herrin joined the EVS Team as a Ranch Assistant in April 2022. A graduate of the North Hills Private School in Millsap, she has been actively involved with FFA for many years. Kylee is a competitive roper and enjoys all aspects of equine health care. She has a lifetime of experience with cattle and horses - which is evident in her work here at EVS.

Jim Arnold

Jim Arnold, Facility Coordinator

Jim Arnold has been a major contributor to EVS since 1992. Jim oversees purchasing feed and maintenance products for the clinic. He holds both a bachelor degree and masters degree from Sul Ross University. He is respected equine photographer specializing in cutting horse action, stallions and auction photography. Jim is webmaster for multiple organizations and businesses including Equine Veterinary Services. Jim and his wife Teri live in Rowlett, Texas.

Austria with her horses Heri and Boss

Austria Arnold, Communications Coordinator

A life-long equine competitor, Austria Arnold is the EVS Communications Coordinator. A graduate of The Hockaday School in Dallas and a magna cum laude presidential scholar graduate of Baylor University. Austria is currently attending Vanderbilt Law School. She has won multiple titles in the cutting pen including the 2014 National Youth Cutting Horse Association World Championship. In 2016 Austria was named to Team USA for the AQHA Youth World Cup in Tamworth, Australia - where she won both competitions and was crowned the 2016 Youth World Cup Cutting Champion. Over the years Austria has been honored with multiple AQHA awards - including youth high point cutter in 2011, 2012, 2013, 2015, and 2017. Most recently Austria's gelding Cat About Houston was named the NCHA 2020 Amateur Horse of the Year. Austria plans to eventually practice law, while continuing her cutting horse obsession.

Carroll Brown Arnold

Carroll Brown Arnold, HR/Marketing Director

Carroll Brown Arnold has been involved with EVS since its inception and is married to clinic founder Dr. Kenton H. Arnold. An award winning writer, Carroll has been published in multiple travel and equine publications, and is the former publisher of America's Cutter and America's Barrel Racer magazines. She currently writes for Carroll is a graduate of Southern Methodist University and has completed graduate work at the University of North Texas. She works with organizations in the non-profit and equine industries, while overseeing the IT, marketing, social media and branding efforts for the equine clinic. Carroll received her first horse as a 16th birthday gift from her parents and went on to fill the next forty years competing in barrel racing, pole bending and cutting horse competitions. Today she enjoys cutting events with her husband and daughter Austria.

Equine Veterinary Services
Raising the Standard in Equine Health

Kenton H. Arnold, DVM
Jennifer Wickline, DVM
Caroline Zouvi, DVM
505 W. British Flying School Blvd. (FM 2578)
Terrell, Texas 75160
Clinic - 972.524.7075
Fax - 972.563.7053
Emergency - 214.794.4832
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MasterCard/Visa accepted for all services.
Payment due at the time services are rendered.