Nephrosis in laying chickens caused by Massachusetts-type infectious bronchitis virus.
D000818:Animals; D001991:Bronchitis / Q000382:microbiology / Q000662:veterinary*; D002645:Chickens; D003332:Coronaviridae / Q000302:isolation & purification; D005260:Female; D007668:Kidney / Q000382:microbiology; D008404:Massachusetts; D009401:Nephrosis / Q000209:etiology / Q000382:microbiology / Q000662:veterinary*; D010058:Oviposition; D011201:Poultry Diseases / Q000209:etiology* / Q000382:microbiology; D014777:Virus Diseases / Q000382:microbiology / Q000662:veterinary*