[Pathogenesis of upper respiratory viral infection in protein deficient chickens].
D000818:Animals; D002645:Chickens; D009296:Nasal Cavity / Q000473:pathology; D009521:Newcastle Disease / Q000209:etiology*; D011201:Poultry Diseases / Q000209:etiology*; D011488:Protein Deficiency / Q000150:complications / Q000662:veterinary*; D012141:Respiratory Tract Infections / Q000209:etiology / Q000662:veterinary*