Which statement about euthanasia method criteria is correct?

• A. They should be validated and humane.
• B. They must be performed only by veterinarians.
• C. They can be chosen arbitrarily as long as quick.
• D. They do not need to be validated if widely used.

Answer: (A)

Ensuring euthanasia methods meet both efficacy and humane standards is the main concept. A method is acceptable only if it has been scientifically validated for the species and context and it provides rapid unconsciousness followed by death with minimal pain or distress. Validation confirms reliability and aligns with welfare guidelines, making this the best choice.

It's not limited to veterinarians; trained personnel under approved SOPs can perform euthanasia. A method can't be chosen arbitrarily as long as it's quick—speed alone doesn't guarantee humane handling or reliability. And a method does need validation even if widely used, because conditions, strain, age, and equipment can affect outcomes.