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 80^oC
• 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)

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