Why align laboratory animal care practices with the Guide even when not legally required?

• A. It has no impact on welfare
• B. It is optional and rarely used
• C. It only applies to clinical settings
• D. It provides a recognized standard of humane care and is often required by funders and accrediting organizations; improves welfare and scientific quality

Answer: (D)

Focusing on humane care standards and scientific quality is the key idea. The Guide sets widely accepted practices for housing, enrichment, handling, procedures, analgesia and anesthesia, monitoring, and veterinary oversight. Even when a law doesn’t require it, following these standards is often demanded by funders and accrediting organizations, so alignment acts as a signal of ethical responsibility and commitment to high-quality science.

This approach improves welfare by reducing pain, distress, and variability across studies, and it supports reproducible, reliable results. It also helps institutions meet expectations of sponsors, maintain accreditation, and uphold public trust.

The other options miss important points: welfare is genuinely affected by care practices; adherence is not merely optional or rarely used; and the Guide applies across many research settings, not only clinical ones.