Respiratory conditions of the fowl.
D000818:Animals; D003333:Coronaviridae Infections / Q000662:veterinary; D005586:Fowlpox / Q000150:complications; D006566:Herpesviridae Infections / Q000662:veterinary; D001352:Herpesvirus 1, Gallid; D006799:Housing, Animal; D001351:Infectious bronchitis virus; D009521:Newcastle Disease / Q000209:etiology; D010326:Pasteurella Infections / Q000662:veterinary; D011201:Poultry Diseases / Q000175:diagnosis / Q000209:etiology* / Q000517:prevention & control; D012140:Respiratory Tract Diseases / Q000209:etiology / Q000517:prevention & control / Q000662:veterinary*