11/03/2015 INFECTIOUS BRONCHITIS (IB) Diseases of Poultry The Poultry Site http://www.thepoultrysite.com/publications/6/diseasesofpoultry/194/infectiousbronchitisib 1/3 Subscribe | Marketing Packages | Forums | Cookie Law | Search here Follow Bacterial Diseases ESCHERICHIA COLI INFECTIONS SALMONELLOSES PARATYPHOID INFECTIONS FOWL CHOLERA RIEMERELLA ANATIPESTIFER INFECTI MYCOPLASMA NECROTIC ENTERITIS CHOLANGIOHEPATITIS IN BROILER CH GANGRENOUS DERMATITIS BOTULISM AVIAN TUBERCULOSIS Viral Diseases VIRAL INCLUSION BODY HEPATITIS HAEMORRHAGIC ENTERITIS OF TURKE EGG DROP SYNDROME 1976 ADENOVIRUS GROUP I ASSOCIATED INFECTIOUS BURSAL DISEASE (GUMB INFECTIOUS BRONCHITIS (IB) LARYNGOTRACHEITIS SWOLLEN HEAD SYNDROME INFECTIOUS ENCEPHALOMYELITIS NEWCASTLE DISEASE FOWL POX REOVIRUS INFECTIONS Neoplastic Diseases in Poultry VIRUSINDUCED NEOPLASTIC DISEAS LYMPHOID LEUKOSIS MYELOCYTOMATOSIS ERYTHROBLASTOSIS ADENOCARCINOMATOSIS Parasitic Diseases COCCIDIOSIS HISTOMONOSIS ASCARIDIOSIS RAILLIETINOSIS KNEMIDOKOPTOSIS Mycoses and Mycotoxicoses ASPERGILLOSIS ASPERGILLUS GRANULOMATOUS DER AFLATOXICOSIS CANDIDIASIS FUSARIOTOXICOSES Deficiency Diseases VITAMIN B2 DEFICIENCY VITAMIN Bi DEFICIENCY VITAMIN E DEFICIENCY FATTY LIVER HAEMORRHAGIC SYNDR SLIPPED TENDON (PEROSIS) Other PULMONARY HYPERTENSION (ASCITIS AMYLOIDOSIS DEEP PECTORAL MYOPATHY RUPTURE OF THE GASTROCNEMIUS T CAGE LAYER FATIGUE DYSCHONDROPLASIA THYPERKERATOSIS INFECTIOUS BRONCHITIS (IB) 226.In chickens up to the age of 4 weeks, IB is manifested by severe respiratory signs (sneezing, coughing, and rales). Rhinites and conjunctivites, depression and crowding around heat sources are observed. The death rate could reach 100%. The mortality in young chickens is usually insignificant provided that a secondary infection with a different agent is not occurring. In such cases, there is a moderate to severe inflammatory cell infiltration of upper respiratory tract mucosa, resulting In thickened and more compact mucosa. 227.228.In layer hens infected with the IB virus, oophorites and dystrophic necrobiotic lesions affecting primarily the middle and the last thirds of oviduct's mucous coat are observed. The consequences are drop in egg production, appearance and increase in the number of de¬formed and pigmentless eggs or eggs with soft shells and watery egg white. Our Sponsors Partners AB Vista Vencomatic Group CID LINES Biomin Halamid rl consulting Jansen Poultry Equipment Pas Reform HyLine International Novogen Petersime ECO Animal Health Grimaud Freres 3.2k Like Book Contents Diseases of Poultry By Ivan Dinev, DVM, PhD News & Analysis Features Markets & Reports Knowledge Centre Business Directory Events Our Shop Our sites