The main types of vets and what they treat
Veterinarians fall into two broad categories: those who treat small animals (pets) and those who treat large animals (livestock and horses). Within each category, vets can specialize further. A small animal veterinarian typically works in a clinic or hospital and sees dogs, cats, rabbits, birds, and other household pets. A large animal veterinarian travels to farms and ranches to treat cattle, sheep, pigs, and horses. Some vets work in both areas, though this is less common because the skills and equipment differ significantly.
Beyond these two main paths, vets can pursue specialized training in fields like surgery, dentistry, dermatology, or emergency medicine. Others work in research, public health, or laboratory settings rather than treating individual animals. The type of vet you need depends entirely on what animal you own and what kind of care it requires.
Key Takeaways
- Small animal vets work in clinics and treat pets like dogs, cats, and rabbits, while large animal vets travel to farms to treat livestock and horses.
- Specialized vets focus on specific areas like surgery, dentistry, cardiology, or emergency care, and usually require a referral from your regular vet.
- Exotic animal vets have training in treating unusual pets like reptiles, birds, and small mammals, and are less common than small animal clinics.
- Veterinary pathologists, researchers, and public health vets work in laboratories or government agencies rather than treating animals directly.
- Finding the right vet type starts with knowing what animal you have and whether it needs routine care or specialized treatment.
Small animal veterinarians and what they do
Small animal vets are the most common type and the ones most pet owners visit. They work in private clinics, animal hospitals, or emergency clinics and handle routine care like vaccinations, dental cleanings, spaying and neutering, and treatment of common illnesses. They diagnose problems using physical exams, blood tests, X-rays, and ultrasound machines kept on-site. If your dog has an ear infection, your cat needs a tooth extraction, or your rabbit is limping, a small animal vet is where you start.
Many small animal vets are general practitioners who handle most conditions that come through the door. Others work in specialty hospitals where they focus on one area—a vet might work only in orthopedic surgery, for example, or only in internal medicine. General practitioners often refer complex cases to these specialists. Small animal vets typically work during set business hours, though many clinics now offer evening and weekend appointments.
Large animal veterinarians and equine specialists
Large animal vets work with cattle, sheep, pigs, goats, and other farm animals. They travel to the farm or ranch rather than working from a fixed clinic, and they handle everything from routine herd health checks to emergency treatment of sick or injured animals. They vaccinate livestock, oversee breeding programs, treat infections and injuries, and help with difficult births. Large animal vets also work on disease prevention and food safety, since the health of livestock affects the food supply.
Equine vets are large animal vets who specialize in horses. They treat lameness, colic (digestive emergencies), dental problems, and reproductive issues. Equine vets often work with performance horses, racehorses, and breeding stock, and may travel to competitions or training facilities. Some equine vets focus on surgery or sports medicine. If you own a horse, an equine vet is different from a small animal vet and has specialized training in horse anatomy and behavior.
Specialty veterinarians and when you need one
Specialty vets have completed additional training beyond their basic veterinary degree, usually through a residency program lasting two to four years. Common specialties include surgery, cardiology (heart disease), dermatology (skin conditions), oncology (cancer), orthopedic surgery (bones and joints), dentistry, and emergency medicine. You do not contact a specialist directly; your regular vet refers you when your pet's condition is beyond routine care or requires advanced equipment.
For example, if your dog has a torn ligament in the knee, your regular vet might refer you to an orthopedic surgeon. If your cat has a heart murmur that needs detailed imaging, a cardiologist can perform an echocardiogram. Specialty vets typically work in larger animal hospitals in cities and towns, and appointments may have a wait. Specialty care is more expensive than routine care because it involves advanced training and equipment.
Exotic animal veterinarians
Exotic animal vets specialize in treating animals that are not dogs, cats, or common farm animals. This includes reptiles (snakes, lizards, turtles), birds (parrots, finches, chickens), small mammals (guinea pigs, hamsters, ferrets, chinchillas), and sometimes primates or other unusual pets. Exotic vets have different training because these animals have different anatomy, behavior, and medical needs than dogs and cats. A reptile vet needs to understand temperature requirements and metabolic bone disease; a bird vet needs to know about respiratory systems that work differently than mammalian lungs.
Exotic animal vets are less common than small animal vets, and you may need to travel to find one. Some small animal clinics have one vet with exotic training on staff; others refer exotic cases to a specialty hospital. If you own a reptile, bird, or unusual small pet, ask your regular vet for a referral to an exotic vet before you have an emergency.
Laboratory and research veterinarians
Some vets work in laboratories, research facilities, or universities rather than treating individual animals. Laboratory animal vets care for animals used in medical research, ensuring they are healthy and treated humanely. Veterinary pathologists examine tissue samples and perform necropsies (animal autopsies) to determine cause of death or diagnose disease. Research vets conduct studies on animal health, disease, or new treatments. These vets do not see pets or livestock in a clinical setting.
Other vets work in public health roles, monitoring disease in wild or domestic animal populations, or in government agencies like the USDA. Some work for pharmaceutical companies developing new animal medications. These career paths require a veterinary degree but lead away from direct animal care.
Emergency and critical care veterinarians
Emergency vets work in 24-hour animal hospitals and handle urgent and life-threatening conditions. They treat hit-by-car injuries, severe bleeding, difficulty breathing, poisoning, severe allergic reactions, and other acute problems that cannot wait for a regular appointment. Many emergency vets have additional training in critical care, which means they can manage animals in intensive care units with monitoring equipment and medications for serious conditions.
You see an emergency vet when your regular clinic is closed and your pet has a serious problem, or when your regular vet refers you for urgent care. Emergency vets work nights, weekends, and holidays. The cost of emergency care is higher than routine care because of the 24-hour staffing and specialized equipment. If your pet is seriously ill or injured, your regular vet can tell you which emergency hospital to go to.
How to find the right type of vet for your animal
Start by identifying what animal you have and what kind of care it needs. If you have a dog or cat and need routine care, a small animal vet in your area is your first stop. Search online for "veterinarian near me" or ask friends and family for recommendations. Read reviews and call ahead to ask about their experience with your type of animal and whether they have evening or weekend hours.
If you have an exotic pet, ask the clinic directly whether they see that species or can refer you to someone who does. If your pet has a chronic condition or needs specialized care, ask your regular vet for a referral to a specialist. If you have a horse or farm animals, search for "large animal veterinarian" or "equine veterinarian" in your area. Many large animal vets serve a wider geographic area than small animal clinics, so you may need to travel farther.
Frequently Asked Questions
Can a small animal vet treat my rabbit or guinea pig?
Some small animal vets treat rabbits and guinea pigs, but not all do. Call ahead and ask whether the clinic has experience with your specific pet. If they do not, ask for a referral to an exotic animal vet or a vet with small mammal experience. Rabbits and guinea pigs have different needs than dogs and cats, so experience matters.
What is the difference between a vet and a veterinary technician?
A veterinarian (DVM or VMD) has completed four years of veterinary school and is licensed to diagnose disease, prescribe medication, and perform surgery. A veterinary technician has completed a two-year program and works under a vet's supervision, handling tasks like drawing blood, taking X-rays, and assisting in surgery. Both are important, but only a vet can make medical decisions.
Do I need a referral to see a specialty vet?
Most specialty vets require a referral from your regular vet, though some accept direct appointments. Call the specialty hospital and ask. A referral usually includes your pet's medical records, which saves time and helps the specialist understand your pet's history. Even if a referral is not required, your regular vet's input is helpful.
What should I do if my regular vet cannot treat my pet's condition?
Ask your vet for a referral to a specialist or another clinic with more experience in that area. Your vet should be willing to transfer your pet's records and provide a summary of the problem. If your pet needs emergency care after hours, call an emergency animal hospital. Do not wait if your pet is seriously ill or injured.
Are there vets who treat both small and large animals?
Some vets have training in both areas, but it is uncommon because the skills, equipment, and work environment are very different. Most vets choose one path early in their career. If you have both pets and livestock, you will likely need two different vets.