Systematic Veterinary Virology

GENERAL CHARACTERS

• Definition: Egg drop syndrome (EDS) is characterized by production of soft-shelled and shell-less eggs in apparently healthy birds.
• Classification

Baltimore group	Group I ds DNA viruses
Family	Adenoviridae
Genus	Ataadenovirus
Species	Duck adenovirus 1

• Synonyms:
• Morphology: As specified above
• OIE Listing: Not listed by OIE
• Risk group: No risk to human beings
• Referral laboratory: Not provided by OIE
• Replication: As provided above
• Resistance:
• HA property: The virus agglutinates chicken erythrocytes but do not have elution property
• Serotypes / Strains: There are three genotypes, one is associated with classical EDS, one with ducks in the UK, and one with EDS in Australia.