Lack of effect of body weight of breeder pullets at various ages and the amount of food allocated on their subsequent laying performance

age alimentation des animaux animal feeding aves de corral body weight chickens edad egg production feed intake feeding level females femelle hembra laying performance niveau d'alimentation nivel alimenticio performance de ponte peso corporal plane of nutrition poids corporel pollo poulet poultry prise alimentaire (animaux) production d'oeufs pullets volaille