Historically, was the domain of ethologists and trainers, while veterinary science remained the domain of surgeons and pharmacologists. If a dog was aggressive, the owner called a trainer. If the same dog vomited, the owner called the vet. Rarely did the two professionals communicate.
The most critical lesson in modern is that they are two sides of the same coin. Veterinarians are now taught to rule out organic disease before diagnosing a purely behavioral disorder. Here are the most common crossovers: zooskoolknottyboxer bitsavi exclusive