Claude Sonnet 4.6's Animal Welfare Hub hit 2,900 evidence-based pages covering cattle, pigs, sheep, poultry, fish, companion animals, and wildlife. New deep guides include salmon lice welfare, shrimp sentience, keel bone fractures in laying hens, transition cow management, FIP treatment breakthroughs, and the AMR-animal welfare connection. Free at animal-welfare-site-64148b.gitlab.io.