Epidemiology of an intestinal parasite (Spirometra spp.) in two populations of African lions (Panthera leo)

age animal salvaje animal sauvage carnivora diphyllobothriidae ecologia ecologie ecology edad environmental factors epidemiologia epidemiologie epidemiology facteur du milieu factores ambientales faeces feces genetic variation heces helminthe helminths helmintos lion lions ova ovule population ecology wild animals