Behavioural, growth and immune consequences of early weaning in one-week-old Large-White piglets P. Orgeur, M. Hay, P. Mormède, H. Salmon, J. Le Dividich, R. Nowak, B. Schaal and F. Lévy Reprod. Nutr. Dev., 41 4 (2001) 321-332 DOI: 10.1051/rnd:2001134