What restraint method is recommended for routine mouse handling to minimize stress and injury?

• A. Quick single-handed restraint.
• B. Restraint with snout hold.
• C. Anesthesia before handling.
• D. Gentle two-handed restraint with one hand supporting the thorax and abdomen and the other at the base of the tail, with the animal fully supported.

Answer: (D)

The technique tested emphasizes handling that minimizes stress and injury by maintaining stable, full-body support during routine handling. The best approach is a gentle two-handed restraint: one hand cradles the chest and abdomen to control movement, while the other supports the base of the tail, keeping the animal fully supported against your body. This arrangement distributes restraint evenly, reduces wriggling, and lowers the risk of tail, spine, or limb injury while you can calmly monitor breathing and well-being. Other methods either allow abrupt movement or put stress on the animal (like a snout hold, which can be distressing and affect breathing) or add unnecessary risk and complexity (like anesthesia for routine handling). With consistent, calm technique, this two-handed method provides humane and effective control.