title: Observations concerning the use of living infectious bronchitis vaccine under field conditions.
mesh_terms: D000367:Age Factors; D000818:Animals; D001991:Bronchitis / Q000517:prevention & control / Q000662:veterinary*; D002645:Chickens; D002713:Chlorine; D003048:Coccidiosis / Q000662:veterinary; D003231:Conjunctivitis / Q000662:veterinary; D003681:Dehydration / Q000662:veterinary; D007668:Kidney / Q000473:pathology; D011201:Poultry Diseases / Q000517:prevention & control*; D012141:Respiratory Tract Infections / Q000662:veterinary; D014765:Viral Vaccines / Q000008:administration & dosage; D014777:Virus Diseases / Q000473:pathology / Q000517:prevention & control / Q000662:veterinary*; D014881:Water Supply
chemical_list: D014765:Viral Vaccines; D002713:Chlorine