Rearing density effect on the production performance of the edible snail Helix aspersa Müller in indoor rearing Mathilde Dupont-Nivet, Virginie Coste, Pierre Coinon, Jean-Claude Bonnet and Jean-Marie Blanc Ann. Zootech., 49 5 (2000) 447-456 DOI: 10.1051/animres:2000135