Estimation of the genetic parameters of sexual dimorphism of body weight in 'label' chickens and Muscovy ducks Sandrine Mignon-Grasteau, Catherine Beaumont, Jean-Paul Poivey and Hubert de Rochambeau Genet. Sel. Evol., 30 5 (1998) 481-491 DOI: 10.1051/gse:19980505