infectious bronchitis

Question 1

infectious bronchitis intro

Answer 1

corona group of virus

• **highly contagious
• **incu period—-18 to 36 hours

Question 2

infectious bronchitis affects

Answer 2

Virus affects respiratory , renal and reproductive system 3Rs = ( R+R+R)

Question 3

infectious bronchitiis

virus affects

Answer 3

Host : Young chicks – Respiratory form. Under 10 weeks - Nephritic form

Question 4

pathogenesis of infectious tracheatis virus

Answer 4

1 reaches respiratory tract

• ***replicate in trachea
• ***reaches kidney oviducts and replicate there

Question 5

symptoms of infectious tracheatis

Answer 5

***in young birds respiratory form causes

• *gasping
• **rales
• *lachrymation

Question 6

in old birds symptoms of infectious bronchitis is

Answer 6

** damage to functional oviduct
***egg production quality decreases
egg misshapen

***YOUNG BIRDS
ABNORMAL DEVELOPMENT IN OVIDUCT

Question 7

gross lesions of infectious bronchitis

Answer 7

• **caseous exudates in trachea

* **caseous plugs in chicks that die in trachea and bronchi

Question 8

ovarian macroscopic lesions in infectious bronchitis

Answer 8

***abnormal ovary with misshapen follicles

Question 9

microscopic lesions ininfectious bronchitis

Answer 9

***degenerative and infectious changes in trachea kidney
desquamation in airsacs
tubular gland dilatation in oviduct

Question 10

diagnosis of infectious bronchitis

Answer 10

• **gross lesions
• **differential diagnosis
• **virus neutralization