[Morphological and histological changes of the digestive tract and swim bladder in pike-pearch larvae (Stizostedion lucioperca L.) during early organogenesis in the various rearing conditions]

analyse histocytologique anatomia animal anatomie animale animal husbandry methods animal morphology appareil digestif biological development digestive system environmental factors facteur du milieu factores ambientales fish larvae foetal death growth rate histocytological analysis larvas de peces larve de poisson mort du foetus muerte fetal organogenese organogenesis sistema digestivo statistical methods stizostedion swim bladder taux de croissance vejiga natatoria vessie natatoire