Index
HE-related infections- Marble spleen disease (MSD )and Avian adenovirus II spleenomalgy (AAS)
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Occurrence: HEV- Worldwide. MSDV- US Canada, Europe, Australia. AAS- Worldwide. Species affected: Turkeys (HE), pheasants (MSD) and chickens (AAS). Age affected: HE- 4-14 weeks; MSD- 3-8 months; AAS- chickens of all ages. |
Causes: Double stranded DNA viruses of the family Adenovirus. There are three serologically-distinct avian adenoviruses. Serotype I viruses cause IBHV, quail bronchitis, HE and MSD. Serotype II virus produces AAS and S...
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