Animal Euthanasia Market Size, Share & Trends Analysis Distribution, By Product (Pharmaceuticals (Barbiturates, Combination Drugs, and Non-barbiturate anesthetics), Inhalants, and Others), By Animal (Companion Animals, Livestock Animals, and Others), By Route of Administration (Injectable (Intravenous, Intramuscular, and Subcutaneous), Inhalants, and Others), By End Use (Veterinary Hospitals and Clinics, Animal Shelters & Rescue Centers, Research Laboratories & Universities, and Others), and Segment Forecasts, 2025-2034