title: The effectiveness of vaccination against the Australian infectious bronchitis nephritis virus before two weeks of age.
mesh_terms: D000367:Age Factors; D000818:Animals; D000914:Antibodies, Viral / Q000032:analysis; D001991:Bronchitis / Q000517:prevention & control / Q000662:veterinary*; D002645:Chickens; D005260:Female; D008297:Male; D009393:Nephritis / Q000517:prevention & control / Q000662:veterinary*; D011201:Poultry Diseases / Q000517:prevention & control*; D014611:Vaccination / Q000662:veterinary*; D014765:Viral Vaccines / Q000008:administration & dosage; D014777:Virus Diseases / Q000517:prevention & control / Q000662:veterinary*
chemical_list: D000914:Antibodies, Viral; D014765:Viral Vaccines