The timing of neutering in dogs involves welfare trade-offs between population control benefits and health risks, with evidence suggesting delayed neutering may benefit welfare in some breeds.
Neutering timing involves genuine welfare trade-offs that are not always acknowledged in public health messaging. For companion animal population control, neutering has clear benefits. For individual dog welfare, the timing needs to consider breed-specific health outcomes. The evidence suggests that large breeds in particular may benefit from delayed neutering to allow full physical maturity before gonadal hormone withdrawal.