Microbiology of the Chicken Anemia Virus
All Chicken Anemia Virus isolates belong to one serotype, although antigenic differences among isolates have been reported in the United States.
The virus
- Small (19-24 nm in diameter), spherical, single stranded, non enveloped DNA-virus.
- Family: Circoviridae
- Genus: Gyrovirus
- Very resistant virus
- Able to withstand pH of 3 and chloroform
- Not inactivated by heating at 70°C for one hour or after 5 minutes at 80oC
- Resistant to lipid solvents and to treatment for 2 hours at 37°C with 5% solutions of commercial disinfectants (quaternary ammonium compounds, amphoteric soap and orthodichlorobenzene)