Veterinary Veterinarian examining a cow. It's called veterinary (Latin veterinae, bed or pack animal) to the science of preventing, diagnosing and curing diseases of domestic animals, wild animals and production animals. Today is also responsible for inspection and sanitary control of foods, prevention of zoonotic diseases, and the study of how to maximize performance in livestock production and management of domestic animals (animal husbandry). The professional who implements this is called Veterinary medical science. Veterinary science is vital for the study and protection of livestock, herd health and control the spread of disease. It requires the acquisition and application of scientific knowledge in multiple areas and use of technical knowledge to prevent diseases that can affect both pets and wild animals.Veterinary science helps safeguard human health by monitoring the health of livestock, pets and wildlife. Emerging Zoonoses require knowledge in epidemiology and infectious disease control is particularly present on a 'herd health "of veterinary science. Veterinary medicine is as old as the man / animal, but has grown exponentially in recent years due to the availability of new technical developments in diagnosis and therapy for many species. Today, the animals often receive medical care, comprehensive dentistry and surgery, ranging from insulin injections, root canals dealing inside the tooth, the treatment of hip dysplasia, cataract surgery, to the insertion of a pacemaker. Veterinary specialization has become more common in recent years.Currently 20 veterinary specialties are recognized by the American Veterinary Medical Association (AVMA): anesthesiology, behavior, dermatology, emergency and critical care, internal medicine, cardiology, oncology, neurology, radiology and surgery. To become a specialist, a veterinarian must complete their training after graduation from veterinary school with an internship and residency and then pass an exam that certifies their knowledge.