If you are looking for a foundational "text" on the subject, several authoritative volumes are widely used in academic and professional settings:
: The scientific study of animal behavior in managed settings (farms, zoos, homes) to improve welfare. mulher trepando com cachorro zoofilia
Diga qual opção prefere.
: Veterinary science uses these as a framework for welfare, focusing on freedom from hunger, discomfort, pain, fear/distress, and the freedom to express normal behavior. If you are looking for a foundational "text"