Gross and Histopathological Description of the Cranial Form of Chronic Fowl Cholera in Turkeys

Ld, Olson; El, McCune; Bl, Moseley

doi:10.2307/1588261

Cited by 15 publications

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“…Both diseases involve similar head lesions with little or no systemic involvement (Olson et al, 1966;Jeffrey et al, 1993). Olson & McCune (1968) were able to reproduce this form of cholera by inoculating Pasteurella multocida into the eustachian tube.…”

Section: Figure 5 Section Of Skull Through Inner (I) Middle (M) Anmentioning

confidence: 99%

Swollen head syndrome associated withE. coliand infectious bronchitis virus in the Central Valley of California

Droual¹,

Woolcock²

1994

Avian Pathology

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SUMMARYA commercial broiler flock in the Central Valley of California experienced a sudden increase in mortality due to heavy culling. Clinical signs included a snick, swollen heads and severe depression. Necropsy and histology revealed tracheitis, rhinitis, facial cellulitis, blepharitis, episcleritis, otitis media and caseous exudate within the air spaces of cranial bones. Escherichia coli serotype O78 was isolated from all lesions. Infectious bronchitis virus (Massachusetts serotype) was isolated from trachea/nasal cavity tissue pool. Adenovirus group 1 was isolated from trachea/nasal cavity and caecal tonsil tissue pools. Serum samples were positive for infectious bronchitis using ELISA and haemagglutination inhibition tests, but negative for turkey rhinotracheitis by an ELISA using the British antigen. This case suggests that swollen head syndrome can be associated with viruses other than pneumovirus.

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