Spay-neuter prevents overpopulation and reduces certain diseases but has nuanced welfare implications that depend on timing, species, and breed. Evidence-based protocols optimize welfare outcomes.
Spay-neuter welfare requires a nuanced, evidence-based approach rather than universal protocols. The balance between population control benefits and health risks from early surgery depends on species, size, and individual circumstances. For large breed dogs especially, emerging evidence supports later surgical timing. Welfare-optimized approaches consider individual factors while maintaining the critical population management benefits of desexing.