Ángela Montalván

1. IntroductionNewcastle disease (ND) is a highly contagious avian disease with a significant impact on global poultry production. ND is caused by the Newcastle disease virus (NDV), formerly known as Avian orthoavulavirus 1 (AOAV-1), belonging to the family Paramyxoviridae (https://talk.ictvonline.org/taxonomy/ accessed on 20 October 2021). The genome of NDV is single-stranded, non-segmented, nega ...

Avibacterium paragallinarum is the etiologic agent of infectious coryza, an acute respiratory disease of chickens, which is globally distributed and causes serious economic losses in the poultry production industry. It is a Gram-negative, nonmotile, capsulated, facultative anaerobe belonging to the family Pasteurellaceae and is classified in 9 serovars distributed in 3 serogroups (A, B, and C) (1, ...