This book delves into the history, science, and practice of animal husbandry, exploring its evolution from early domestication to modern industrial practices. It examines the intricate relationships between animals, the environment, and human needs, highlighting the scientific principles of animal behavior, physiology, and genetics. A key theme is the balance between the science of improving production efficiency and animal welfare, and the art of understanding the unique needs of individual animals. The book emphasizes the importance of sustainable practices in animal husbandry, aiming to minimize environmental impact while meeting the growing demand for animal products. It also addresses the rising demand for humane, science-based animal welfare standards. Looking toward the future, the book discusses the challenges and opportunities in ensuring animal husbandry’s sustainability. Aimed at students, producers, and policymakers, it provides a comprehensive overview of the field and encourages a thoughtful discussion about its future.