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50 Years
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Emergency
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Comprehensive Large Animal Veterinary Care in Visalia
Lone Oak Large Animal Veterinary Services has provided specialized veterinary care for equine, bovine, and large animal clients in Visalia, California since 1976. Our team of experienced veterinarians combines decades of expertise with a commitment to continuing education, ensuring access to the latest advancements in animal healthcare. We serve both competitive performance horses and commercial dairy and beef herds, offering comprehensive services including herd management, reproductive care, and emergency treatment. Our mobile capabilities extend care to properties across Tulare, Fresno, and Kern counties. We maintain strong partnerships with industry experts and prioritize transparent communication with clients.

Each veterinarian brings unique specialized interestsfrom equine lameness to swine carethat strengthen our ability to address diverse animal health needs. Our facility features advanced diagnostic tools like digital radiology and ultrasound for accurate treatment planning. We emphasize preventive care through nutritional guidance and wellness programs tailored to individual animal requirements. With over 35 years of collective experience in the Central Valley, our practice remains dedicated to compassionate treatment and scientific rigor. From routine dental work to complex surgical interventions, we approach every case with meticulous professionalism and genuine concern for animal welfare.
Services
Equine Services Bovine Services Porcine Services Nutritional Supplements Emergency Care Reproductive Management Dental Procedures Surgical Services Diagnostic Imaging Herd Health Programs
Details
  • Year established: 1976
Highlights and features
  • We offer 48+ years of specialized experience in Central Valley large animal care
  • Our veterinarians maintain active participation in continuing education programs
  • We implement advanced diagnostic technologies including digital radiology
  • Our herd management specialists hold certifications in reproductive health
  • Mobile services available across three California counties for convenience
Services
Equine Services
Our equine practice covers wellness exams, lameness evaluations, dental care, and reproductive management for performance horses and companions. We utilize digital radiology and ultrasound diagnostics to address musculoskeletal issues, while our reproductive specialists provide artificial insemination and embryo transfer services. Emergency care is available for colic, injuries, and foaling complications across Tulare County properties.
Bovine Services
We deliver herd health programs including reproductive palpation, vaccination protocols, and mastitis prevention for dairy and beef operations. Our surgical services address LDA correction and dystocia cases, while nutritional consultations help optimize herd productivity. With mobile lab capabilities, we conduct on-site milk cultures and blood work analysis for efficient disease management.
Porcine Services
Our veterinary team provides wellness exams, surgical procedures, and diagnostic services for both miniature and production pigs. Specialized care includes hoof trimming, tusk maintenance, and reproductive health management. Emergency services are available for critical cases, with pre-procedure fasting guidelines provided to ensure patient safety during sedated procedures.
Nutritional Supplements
We supply premium equine nutritional supplements from trusted brands like Horse Guard and Platinum Performance. Our selection addresses digestive health, joint support, and overall wellness through high-quality formulations. Veterinarians can recommend appropriate products like Equi Aid Psyllium Pellets for sand colic prevention based on individual animal needs.
Diagnostic Imaging
Our digital radiology and ultrasonography equipment enables precise diagnosis of musculoskeletal, thoracic, and abdominal conditions. Board-certified clinicians interpret imaging results to guide treatment decisions for lameness issues, respiratory problems, and internal disorders in both equine and bovine patients.
People
John J. Migliore
Veterinarian
Dr. Migliore has practiced large animal veterinary medicine since graduating from UC Davis in 1976. His expertise includes equine lameness and bovine reproductive management. He maintains cutting horse performance standards while serving Central Valley herds.
Brent M. Pascoe
Veterinarian
Dr. Pascoe joined Lone Oak after earning his DVM from UC Davis in 2015. Specializing in equine dentistry and reproduction, he combines ranch experience with academic training. His background includes cattle operations and pack-station management in Eastern Sierra.
Rebecca J. Domenigoni
Veterinarian
Dr. Domenigoni brings swine and small ruminant expertise since joining in 2018. Her dual career combines educational leadership with clinical practice, managing both dairy goats and production pigs in her family's Elderwood ranch operations.
Niguel Ziegler
Veterinarian
Dr. Ziegler, a 2024 UC Davis graduate, contributes field medicine expertise. Her background on a citrus and cattle operation informs practical approaches to herd health while maintaining proficiency in advanced therapeutic techniques.
Kenneth M. Fiser
Veterinarian
Dr. Fiser has specialized in equine internal medicine since graduating from UC Davis in 1986. His dairy mastitis prevention programs benefit Central Valley milk producers. He balances clinical practice with family commitments and historical site preservation efforts.
Questions
What areas do your mobile veterinary services cover?
Our mobile services operate throughout Tulare County and portions of Fresno and Kern counties for large animal care.
Do you provide emergency veterinary services?
Yes, we offer emergency services on Sundays and during regular office hours for large animal critical care situations.
What equine reproductive services do you offer?
We provide artificial insemination, embryo transfer, pregnancy diagnosis, and stallion fertility management across our Central Valley service area.
Can you perform on-farm herd health evaluations?
Our veterinarians conduct herd health assessments including vaccination programs, reproductive efficiency analysis, and mastitis prevention protocols on commercial operations.
What diagnostic equipment is available at your facility?
We maintain digital radiology systems, ultrasound machines, and in-house laboratory capabilities for blood work and bacterial cultures.
How do I schedule a first-time appointment?
Contact our Visalia office at (559) 732-4810 during regular business hours for new patient scheduling assistance and preparation instructions.