Neutering of cats provides significant welfare benefits including prevention of reproductive disease, reduction of roaming behaviour, and control of feral population growth; timing guidance continues to evolve.
Cat neutering delivers welfare benefits to individual cats and to the wider cat population through population control. Unneutered female cats face multiple reproductive welfare risks including life-threatening pyometra and the stress and physical demands of repeated reproduction. Unneutered males demonstrate restless roaming, fighting behaviour, and territorial spraying that indicate chronic motivational frustration and carry high injury and disease risks. Neutering prevents these welfare costs while also contributing to feral population control.