: Separating sick or injured animals for veterinary treatment.

Animals cannot verbally communicate their pain level. In many species, the primary symptom of pain is a behavioral change.

If you leave with one thought, let it be this:

For decades, veterinary medicine has been largely defined by the hardware of health: the mending of broken bones, the excision of tumors, the vaccination against viruses, and the prescription of antibiotics. The stethoscope, the scalpel, and the microscope were the pillars of the profession. However, in the last twenty years, a quiet but profound revolution has taken place in clinics and research labs worldwide. The spotlight has shifted from merely the biological animal to the sentient animal.