Despite the progress, the 21st century presents massive challenges for animal advocates:
(ensuring conditions and treatment which avoid mental suffering).
While often used interchangeably, welfare and rights represent two distinct philosophical approaches to the same goal: reducing suffering. Understanding Animal Welfare: The Standard of Care
Welfare advocates work within existing systems to pass laws for larger cages, better veterinary care, and more humane slaughter practices. Understanding Animal Rights: The Philosophical Shift