@inproceedings{hausberger:hal-01332746, TITLE = {{Pourquoi l'enrichissement ? Un point de vue {\'e}thologique}}, AUTHOR = {Hausberger, Martine}, URL = {https://univ-rennes.hal.science/hal-01332746}, BOOKTITLE = {{Journ{\'e}e de rencontres des zootechniciens}}, ADDRESS = {Paris, France}, ORGANIZATION = {{CNRS-INSB}}, YEAR = {2015}, MONTH = Oct, HAL_ID = {hal-01332746}, HAL_VERSION = {v1}, }