infectious bursal disease Flashcards
1
Q
synonyms of infectious bursal disease
A
- **gumbaro disease
* **avian nephrosis
2
Q
infectious bursal disease is
A
acute
**highly infectious
**disease of poultry
3
Q
infectious bursal disease is caused by
A
- ***birna viridae
* *serotype 1 strain
4
Q
transmission of IBD
A
- **highly contagious
- **virus survive 120 days
viable in droppings for 52 days
very resistant to heat
5
Q
pathogenesis of IBD
A
- ***lymphocyte affected
- **degeneration and necrosis
- **coagulation time increased
6
Q
bursal changes in IBD
A
- ***SWOLLEN BURSA
- **renal pathology due to urate deposition due to swollen bursa
***immunosuppression
7
Q
symptoms of IBD
A
- ***PECKING
- WATERY DIARRHOEA
- **anorexia
- **depression
8
Q
gross lesions in IBD
A
***MUSCULAR HEAMORRHAGE
(paint brush heamorrhage)
IN PECTORAL AND THIGH MUSCLES
9
Q
PECTORAL HEAMORRHAGE IS TYPICAL IN
A
IBD
10
Q
BURSAL LESIONS
A
- ***enlarged
- **edematous
- **cream coloured
- ***heamorrhage on internal and serosal surface
**caseous core
11
Q
macroscopic lesions in IBD –3
A
- ***splenomegaly
- ***hepatomegaly
- ***heamorrhage at the junction of proventriculus and gizzard
12
Q
microscopic lesions of IBD
A
- **LYMPHOID ORGAN HYPEREAMIA EDEMA
- *hyperplasia of reticuloendothelial cells
**proliferation of corticomedullary epiithelium of bursa
13
Q
microscopic lesions of IBD
A
***spleen —-MODERATE LYMPHOID CELL NECROSIS
mild perivascular infiltration in LIVER
14
Q
DIAGNOSIS of IBD
A
- **histology
- **differential diagnosis
- ***virus isolation
