Some factors affecting the severity of infection with Eimeria tenella in chicken embryos.
D000818:Animals; D002642:Chick Embryo; D003048:Coccidiosis / Q000209:etiology*; D004539:Eimeria / Q000472:pathogenicity*; D011201:Poultry Diseases / Q000209:etiology*; D013696:Temperature; D013997:Time Factors; D014774:Virulence