This book explores issues raised by past and present practices of animal enhancement in terms of their means and their goals, clarifies conceptual issues and identifies lessons that can be learned about enhancement practices, as they concern both animals and humans.

Sylvie Allouche, Université Catholique de Lyon, France Simone Bateman, Centre for Research on Medicine, Science, Health, and Society (CERMES3), France Florence Burgat, National Institute of Agronomic Research, France Gary Comstock, North Carolina State University, USA Sonia Desmoulin-Canselier, National Centre for Scientific Research, France Arianna Ferrari, Karlsruhe Institute of Technology, Germany Jean-Paul Gaudillière, Centre for Research on Medicine, Science, Health, and Society (CERMES3), France Jean Gayon, Université Paris 1 Panthéon-Sorbonne, France Jérôme Goffette, Université Claude Bernard Lyon I, France Michela Marzano, Université Paris Descartes, France