Morales-Erasto, V. and Maruri-Esteban, E. and Trujillo-Ruíz, H. H. and Talavera-Rojas, M. and Blackall, P. J. and Soriano-Vargas, E. (2015) Protection Conferred by Infectious Coryza Vaccines Against Emergent Avibacterium paragallinarum Serovar C-1. Avian Diseases, 59 (1). pp. 162-164. ISSN 0005-2086
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Article Link(s): http://dx.doi.org/10.1637/10926-082814-ResNote
Infectious coryza is an upper respiratory disease of chickens caused by Avibacterium paragallinarum. Outbreaks of infectious coryza caused by Av. paragallinarum serovar C-1 isolates in coryza-vaccinated flocks in Ecuador and Mexico have been reported. In the current study, the protection conferred by four commercially available, trivalent infectious coryza vaccines in chickens challenged with a serovar C-1 isolate from an apparent coryza vaccine failure in a layer flock in Mexico was evaluated. Only one infectious coryza vaccine provided a good protection level (83%) in vaccinated chickens. These results might explain the infectious coryza outbreaks in vaccinated flocks that have been observed in the field.
|Business groups:||Animal Science|
|Subjects:||Veterinary medicine > Veterinary microbiology|
Veterinary medicine > Veterinary bacteriology
Veterinary medicine > Diseases of special classes of animals > Avian
|Deposited On:||28 Jul 2015 00:02|
|Last Modified:||28 Jul 2015 00:02|
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