[Susceptibility of chickens to infestation with embryonated eggs of Heterakis gallinarum]

agentes nocivos agronomic characters animal animal domestique animal nuisible animales animales nocivos animals aschelminthes aves de corral aves domesticas biological control biological development birds breeding breeding aims chickens crecimiento croissance domestic animals domesticated birds facteur nuisible fisiologia fonction physiologique galliformes growth helminthe helminths helmintos heterakis infestation injurious factors invertebrados invertebrates lutte biologique nematode nematodes nematodos noxious animals objetivo de mejoramiento oiseau oiseau domestique organisme nuisible pest control methods pests physiological functions physiologie physiology plagas pollo poulet poultry resistance to injurious factors vertebrados vertebrates vertebre volaille