Results 141 to 150 of about 47,848 (203)

Australian strains of the avian coronavirus infectious bronchitis virus predominantly target the respiratory tract rather than the kidneys in specific-pathogen-free chickens. [PDF]

J Gen Virol
Quinteros JA, Loukopoulos P, Noormohammadi AH, Browning GF, Coppo MJC, Vaz PK, Legione AR, Fahri O, Thilakarathne DS, Onasanya AE, Gopakumar G, Armat M, Diaz-Méndez A.   +12 more
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Protective efficacy of commercially available infectious bronchitis vaccination regimes against heterologous IBV QX challenge. [PDF]

Open Vet J
Elfeil WK, Makahleh A, Phillips FC, Elkady MF.   +3 more
europepmc   +1 more source

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The Pathology of Infectious Bronchitis

Avian Diseases, 2021
Infectious bronchitis (IB) is an acute disease of chickens caused by a gammacoronavirus, infectious bronchitis virus (IBV). Infection of the nasal and tracheal mucosa causes a rapid loss of ciliated epithelium and impaired mucociliary clearance that predispose chickens to secondary bacterial infections.
openaire   +2 more sources

Coexistence of Infectious Bronchitis and Infectious Laryngotracheitis

Avian Diseases, 1967
The prevalence of infectious bronchitis (IB) of chickens in many parts of the world (2,3,4,5,6,7,10,12,13,14,15,21,22,23,25), and the invasiveness of its virus (11), indicate that this generally mild disease may be important when associated with other poultry pathogens.
L G, Raggi, J, Asmar, G G, Lee
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The structure of infectious bronchitis virus

Virology, 1964
Abstract The structure of infectious bronchitis virus of chickens has been examined by the negative staining technique in the electron microscope. The particles are between 800 and 1200 A in diameter and bear projections on their surfaces. The effects of ether, sodium dodecyl sulphate, trypsin, and neuraminidase on the morphology and on certain ...
D M, BERRY, J G, CRUICKSHANK, H P, CHU, R J, WELLS   +3 more
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Genome of infectious bronchitis virus

Journal of Virology, 1977
Techniques are described for the growth and rapid purification of the avian coronavirus infectious bronchitis virus (IBV). Purified IBV has a sedimentation coefficient of 320S and a buoyant density of 1.22 g/ml in sucrose-deuterium oxide equilibrium gradients.
B, Lomniczi, I, Kennedy
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The Early History of Infectious Bronchitis

Avian Diseases, 1998
Two years later, Bushnell and Brandly (3) reported on an essentially identical disease. They established that the causative agent was a filterable virus because the disease could be transmitted by Berkefeld-filtered material. Because the symptoms of respiratory distress were caused by a filterable virus, Bushnell and Brandly regarded the disease as a ...
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The Histopathology of Infectious Bronchitis in the Domestic Fowl

Research in Veterinary Science, 1972
Summary The histopathology of infectious bronchitis (IB) in minimal disease fowls infected by an aerosol is described. The tracheal mucosa was thickened by 18 hr. after exposure and groups of ciliated cells were desquamating. Desquamation of the epithelium was advanced 24 hr. after exposure and by 48 hr.
D A, Purcell, J B, McFerran
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Infectious bronchitis in New Zealand chickens

New Zealand Veterinary Journal, 1972
Abstract Extract Infectious bronchitis is an acute and highly contagious viral disease which typically appears as an upper respiratory tract infection of young chickens (Hofstad, 1959b). The causative agent also causes a drop in the quantity and quality of eggs laid by adult birds (McDougall, 1968) and severe nephritis, commonly termed “uraemia”, in ...
I P, McCausland, M E, Carter, R, Hunter
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