title: Age resistance in chickens against infectious bursal disease.
mesh_terms: D000367:Age Factors; D000818:Animals; D002645:Chickens; D004198:Disease Susceptibility; D007243:Infectious bursal disease virus; D011201:Poultry Diseases / Q000382:microbiology*; D012088:Reoviridae Infections / Q000662:veterinary*