Studies on Haemophilus infection in chickens, 1: isolation of Haemophilus gallinarum from chicken affected with infectious coryza
1981
Namgoong, S. | An, S.H. | Kim, K.S. (Office of Rural Development, Suwon (Korea R.). Inst. of Veterinary Research)
It has long been believed for the presence of infectious coryza affecting serious economic loss of domestic poultry industry. However, the etiologic agent has not been isolated until quite recently. From 1979, several strains of Haemophylus-like organism were isolated from chickens with symptoms similar to infectious coryza, and their colonial morphology, growth requirement, biochemical properties and pathogenicity were assessed. In addition, serological properties of the isolate by cross hemaglutination inhibition test was also investigated. The results indicated that all the isolates were identified as Haemophilus gallinarum which had similar characteristics to the reference strains.
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