Global distribution of fowl adenovirus infections in 2011-2021: a systematic review

Ng, Yoong Chin (2021) Global distribution of fowl adenovirus infections in 2011-2021: a systematic review. [Project Paper] (Submitted)

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Abstract

Fowl adenoviruses (FAdV) are common infectious agents infecting poultry and wild birds worldwide causing inclusion body hepatitis, hepatitis hydropericardium syndrome, gizzard erosion and quail bronchitis. Although FAdV infections have been identified in many countries, there is still a lack of understanding on the distribution of these viruses globally. The objective of this study was to systematically review publications on FAdV cases worldwide and explore their distribution based on the type of FAdV field isolates, country, avian species, age of birds, and other related details from 2011 to 2021. Data was collated from Scopus and PubMed, using PRISMA systematic approach. Out of 678 publications screened, only 101 met the inclusion criteria and were included in this review. The study identified that FAdV publications were mainly reported from Asian (66%) and European (21%) countries. The most common FAdV species reported in these outbreaks were FAdV-E (33%), followed by FAdV-C (29%), FAdV-D (27%), and to a lesser extent ofFAdV-A (8%) and FAdV-B(3%). Inclusion body hepatitis (45%) and hepatitis hydropericardium syndrome (42%) were the most prominent FAdV manifestation reported in these outbreaks. Most FAdV infections were from commercial broilers (55%) and affected young birds less than one month of age (43%). This study highlights the need for more epidemiological studies to identify prevalent of FAdV serotypes and pathogenicity of isolates from outbreaks of FAdV infections worldwide.

Item Type:	Project Paper
Faculty:	Faculty of Veterinary Medicine
Depositing User:	Ms Nurhaznita Mahmood
Date Deposited:	09 Nov 2023 08:50
Last Modified:	09 Nov 2023 08:51
URI:	http://psaspb.upm.edu.my/id/eprint/1533

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