-
chronic respiratory disease
How does chronic respiratory disease (CRD) present and which pathogen is commonly involved?
-
8 Replies
-
👍
-
Respiratory signs: coughing, sneezing, nasal discharge, rales, dyspnea
Reduced performance: poor weight gain, worse feed conversion, sometimes egg drop
Post‑mortem lesions: airsacculitis (cloudy/thickened air sacs), often complicated by E. coli
-
- <strong data-start=”370″ data-end=”406″>Rales (abnormal breathing sound)
- Open-mouth breathing / gasping
- Swollen sinuses (especially in layers)
- Decreased egg production
- Poor feed conversion (FCR)
- Weak, uneven flock
-
Long-term conditions affecting the airways and lungs, most commonly Chronic Obstructive Pulmonary Disease (COPD) and asthma.
-
Chronic Respiratory Disease (CRD) in chickens typically shows up as coughing, nasal discharge, sneezing, swollen sinuses, and reduced growth or egg production. The main pathogen involved is Mycoplasma gallisepticum.
-
Excelente
-
Good
-
The primary pathogen responsible for CRD is Mycoplasma gallisepticum (MG).
Log in to reply.
