Gumboro Disease, Fowl Pox Flashcards
Gumboro disease primarily targets which type of tissue in young chickens?
Lymphoid tissue, especially the Bursa of Fabricius
The causative agent of Gumboro disease belongs to which viral genus?
Avibirnavirus
IBDV has how many serotypes that infect chickens?
2
Which serotype of IBDV is pathogenic to chickens?
Serotype 1
What is the most common route of transmission for Gumboro disease?
Faeco-oral route
What is the typical incubation period for Gumboro disease?
2-3 days
Act as a reservoir for IBDV
Wild birds
The primary site of IBDV replication after entry
Gut and associated macrophages/lymphoid cells
In the pathogenesis of IBD, active replication of the virus primarily occurs in the?
Bursal follicles and B cells
The clinical form of IBD typically occurs in chickens of what age?
3-6 weeks
In the classic form of clinical IBD, mortality seldom exceeds?
3%
A common clinical sign observed in chickens with Gumboro disease
Ruffled feathers and whitish diarrhea
Fowl pox is a viral disease characterized by lesions on the?
Skin, mucous membranes of the mouth, and upper respiratory tract
The causative agent of Fowl Pox belongs to which viral genus?
Avipoxvirus
How is Fowl Pox primarily transmitted?
By direct contact with injured skin or mechanical transfer
Insects that has been shown to spread Fowl Pox in chicken flocks
Mosquitoes
Fowl Pox has how many main forms?
Two
The cutaneous (dry) form of Fowl Pox is characterized by the formation of?
Nodules and scabs on unfeathered areas
The membranous (wet) form of Fowl Pox is characterized by?
Raised fibrinous plaques on mucous membranes
High mortality in wet pox can result from?
Suffocation due to tracheal plugs
