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11 June 2011 ERIC-PCR Genotyping of Emergent Serovar C-1 Isolates of Avibacterium paragallinarum from Mexico
V Morales-Erasto, A García-Sánchez, C Salgado-Miranda, M Talavera-Rojas, F Robles-Gonzalez, P. J. Blackall, E Soriano-Vargas
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Abstract

Between 2008 and 2010, 14 isolates of Avibacterium paragallinarum were identified as serovar C-1 in Mexico. All isolates were obtained from commercial laying hens suffering infectious coryza despite a history of vaccination. The enterobacterial repetitive intergenic consensus-based PCR genotyping showed that all isolates had a common pattern. Until recently, serovars A-1, A-2, B-1, and C-2 were the serovars prevalent in Mexico. Serovar C-1 has been identified in Japan and recently in the Americas in Ecuador. Our current study suggests that Av. paragallinarum serovar C-1 is an emerging serovar in Mexico. Our results also indicate that the Mexican isolates of Av. paragallinarum serovar C-1 may have a clonal relationship. Knowledge of the genetic diversity of Av. paragallinarum may be of value in understanding vaccine performance and identifying the best combination to achieve broader protection.

American Association of Avian Pathologists
V Morales-Erasto, A García-Sánchez, C Salgado-Miranda, M Talavera-Rojas, F Robles-Gonzalez, P. J. Blackall, and E Soriano-Vargas "ERIC-PCR Genotyping of Emergent Serovar C-1 Isolates of Avibacterium paragallinarum from Mexico," Avian Diseases 55(4), 686-688, (11 June 2011). https://doi.org/10.1637/9670-012711-ResNote.1
Received: 31 January 2011; Accepted: 1 June 2011; Published: 11 June 2011
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