Animal welfare refers to the physical and psychological well-being of animals, encompassing their living conditions, health, and treatment. It involves ensuring that animals are provided with the necessary resources, care, and protection to thrive, free from unnecessary suffering, pain, and distress. Animal welfare is often concerned with the humane treatment of animals, focusing on their quality of life and the mitigation of harm.

The animal rights movement, however, gained momentum in the 20th century, particularly with the publication of Peter Singer's book "Animal Liberation" in 1975. Singer's work challenged the notion that animals existed solely for human benefit, arguing that they had inherent value and deserved to be treated with respect and compassion. The book's impact was profound, inspiring a new generation of animal rights activists and philosophers to reexamine the human-animal relationship.

For centuries, humans have shared the planet with a diverse array of animal species, often interacting with them in complex and multifaceted ways. As our understanding of animal behavior, cognition, and emotions has grown, so too has our recognition of the importance of treating animals with respect, kindness, and compassion. The concepts of animal welfare and rights have emerged as crucial considerations in our relationships with animals, shaping the way we think about their place in our world and our responsibilities towards them.