Isolation and identification of NAD-independent Avibacterium paragallinarum (serovar C-1) from growing layer hens with infectious coryza

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Edgardo Soriano Vargas
Jesús Cabriales Jiménez
Josué Sánchez Morales
Vladimir Morales Erasto
Francisco Robles González
Alejandra García Sánchez

Abstract

The isolation of V-factor (NAD)-independent, serovar C-1 of Avibacterium paragallinarum from growing layer hens with infec­tious coryza, is reported for the first time. Av. paragallinarum serovar C-1 isolates were PCR confirmed and shared a unique genetic profile. Isolation of Av. paragallinarum NAD-independent biovar, serotyping and genotyping of isolates at the avian diagnostic laboratories are discussed.
Keywords:
Avibacterium paragallinarum Serovar C-1 V-Factor Mexico

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