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28 Years
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Emergency
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Equine Veterinary Services in Vinita, Oklahoma
Marcotte Veterinary Clinic is a full-service large animal practice dedicated exclusively to equine care. Founded in 1998, we prioritize the health and performance of horses through advanced diagnostic technologies and treatment protocols. Our team of two veterinarians and dedicated staff maintain expertise in sports medicine, lameness, and reproductive services, utilizing tools like digital radiography, thermal imaging, and swim therapy.

With 24/7 emergency availability and facilities including intensive-care stalls and a surgery room, we serve clients across the central United States. Our commitment to continuous education ensures clients receive progressive care aligned with industry advancements, supported by memberships in professional organizations like the American Association of Equine Practitioners.
Services
Equine Vaccinations Lameness Services Reproduction Services Swim Therapy Digital Radiography Thermal Imaging Dentistry Artificial Insemination Class IV Laser Therapy Advanced Ultrasound
Details
  • Year established: 1998
Highlights and features
  • We offer 24/7 emergency equine care with on-site intensive-care facilities.
  • Our clinic utilizes advanced diagnostics including thermal imaging and digital radiography.
  • Veterinarians have over 25 years of combined experience in equine sports medicine.
  • Dedicated staff provides personalized care for performance and companion horses.
  • We maintain AAEP and AVMA professional standards for equine health excellence.
What people say
Saved our horse's life Professional and expertise Thorough and knowledgeable Improved performance Compassionate care
Services
Equine Vaccinations
Customized vaccination schedules protect horses against preventable diseases. Our veterinarians assess travel, environment, and activity level to determine optimal protocols. We administer core and risk-based vaccines following AAEP guidelines for foals and adult horses.
Lameness Services
Advanced diagnostics identify musculoskeletal issues affecting performance. We combine lameness exams with digital imaging to create treatment plans using joint injections, regenerative therapies, or shockwave technology for improved mobility and recovery.
Swim Therapy
Our 60-foot chlorinated pool provides low-impact conditioning and recovery. Swimming builds muscle strength while minimizing joint stress, ideal for post-surgery rehabilitation, EPM recovery, and athletic performance enhancement through controlled resistance training.
Reproduction Services
Comprehensive mare and stallion care includes artificial insemination, embryo transfer, and foaling monitoring. Our on-site lab processes cooled/frozen semen, while 24-hour surveillance ensures safe mare and foal care during critical periods.
Thermal Imaging
Since 2001, we've used thermal imaging to detect subclinical lameness through heat pattern analysis. This non-invasive technology identifies inflammation sources missed by physical exams, enabling precise treatment for complex musculoskeletal conditions.
People
John A. Marcotte
Veterinarian
Graduated from University of Missouri College of Veterinary Medicine in 1994. Founded clinic in 1998 with focus on equine sports medicine. Member of AAEP, AVMA, and Theriogenology Society. Specializes in lameness diagnostics.
Karen Marcotte
Office Manager
Veterinary technician with 20+ years experience. Manages clinic operations and client relations. Former roles at Oklahoma City Equine and Animal Health International. Member of AQHA and WPRA organizations.
Calli Newman
Veterinary Assistant
Assisting since age 16 while pursuing business degree. Handles daily equine care and client support. Combines practical horse experience with administrative responsibilities for seamless clinic operations.
Amanda Zittenfield
Veterinary Assistant
15-year veteran providing overnight care for mares and critical cases. Focuses on compassionate animal handling and post-operative monitoring. Maintains patient comfort while implementing treatment plans.
Julio Vicente Solis
Facilities Manager
Oversees stable maintenance and grounds since 2012. Former racehorse caretaker with expertise in equine facility operations. Ensures optimal conditions for patient recovery and boarding services.
Questions
What equine specialties do you offer?
We specialize in lameness diagnostics, sports medicine, reproductive services, and rehabilitation therapies including swim pool and laser treatments.
Do you provide 24/7 emergency care?
Yes, our clinic offers 24-hour emergency services with on-site intensive-care stalls and immediate access to diagnostic tools.
Can you handle complex lameness cases?
Our veterinarians use thermal imaging, digital radiography, and ultrasound to diagnose and treat complex lameness issues with advanced treatment options.
What boarding options exist?
We offer short-term and extended boarding with access to swim therapy, 24-hour monitoring, and medical care as needed.
Do you perform on-farm services?
Full-service farm calls available for reproductive work, vaccinations, and emergency care with portable diagnostic equipment.
How do you handle after-hours emergencies?
Call our main line (918) 256-2479 to reach on-call staff for immediate assistance with urgent equine medical situations.