Circulation of Immunosuppressive Viruses and Avian Encephalomyelitis Virus in Backyard Chicken Flocks

Almeida, Priscila de Castro; Borges, Pricila Ribeiro Silva; Koerich, P. K. V.; Melo, Roberta Torres de; Batista, Igor Alves; Mendonça, Eliane Pereira; Silva, Rogério Reis; Silva, Lillian Karla; Fonseca, Belchiolina Beatriz

doi:10.4236/aim.2020.105016

Cited by 2 publications

(1 citation statement)

References 22 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The previous reports recorded a much higher seroprevalence of AEV than our study. The seroprevalence was 79% in a Brazilian study [ 28 ], 45%–91% in Bangladesh [ 29 ], 79.35% in the Tamil Nandu state of India [ 30 ], and 57.1% in Sudan [ 31 ]. Reports on the incidence of AEV described the recent detection of AEV in several countries.…”

Section: Discussionmentioning

confidence: 99%

Avian encephalomyelitis virus in backyard chickens

Al-Mubarak,

Hussen,

Kandee

et al. 2023

Vet World

View full text Add to dashboard Cite

Background and Aim: Avian viral diseases usually cause high economic losses because of high morbidity and mortality and poor growth. The rearing of chickens in backyards could have an important role in the spread of certain diseases, particularly those of viral origin. Infected birds might be prone to many viral infections for several reasons, including a lack of vaccination programs, the mixing of different bird species in the same location, and the close interactions of these birds with wild and migratory birds carrying various pathogens. This study aimed to conduct serological surveillance of avian encephalomyelitis virus (AEV) in some backyard chickens in the eastern region of Saudi Arabia. Materials and Methods: Serum samples (n = 368) were collected from domestic chickens reared in 10 backyards in the Eastern Province of Saudi Arabia. None of the domestic birds in these 10 backyards were vaccinated against the virus. In addition, 78 serum samples were collected from free-ranging birds belonging to Columbidae, such as pigeons and doves, in common areas near the domestic backyards. We tested these sera for specific antibodies against AEV. Results: Our results revealed seroconversion to AEV among the examined chickens (14.6%). None of the tested pigeons and doves displayed seroconversion to AEV. Conclusion: Seroconversion of these non-vaccinated birds against AEV was suggestive of a recent natural infection by this virus. Further studies with a large number of birds are required to molecularly characterize the circulating strains of this virus in this area. Keywords: antibody, avian encephalomyelitis virus, backyard, chicken, encephalomyelitis virus, enzyme-linked immunosorbent assay, seroprevalence, the prevalence, wild birds.

show abstract

Section: Discussionmentioning

confidence: 99%