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1 December 2010 Histopathologic Findings in Chickens Experimentally Infected with Gallibacterium anatis by Nasal Instillation
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Abstract

Histologic findings in chickens experimentally infected by nasal instillation with reference strains of Gallibacterium anatis are described. No clinical signs were observed in experimentally infected birds; however, sequential histologic examinations of trachea, lung, air sacs, and liver revealed lesions in all infected chickens. Our observations suggest that the reference strains of G. anatis used in this experiment are capable of causing primary infection in chickens. Despite that the experimental birds were inoculated by intranasal route, lesions were detected in the liver, suggesting a probable bacteremia. Because several degrees of severity were established in histopathologic lesions, probable variations in virulence, among the experimental strains, also are discussed.

V. A. Zepeda, N. L. Calderón-Apodaca, M. L. Paasch, P. G. Martín, D. A. Paredes, S. Ramírez-Apolinar, and E. Soriano-Vargas "Histopathologic Findings in Chickens Experimentally Infected with Gallibacterium anatis by Nasal Instillation," Avian Diseases 54(4), (1 December 2010). https://doi.org/10.1637/9423-061410-ResNote.1
Received: 15 June 2010; Accepted: 1 September 2010; Published: 1 December 2010
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