Infectious coryza is an infectious disease of bacterial origin that affects chickens.
Infectious coryza is present worldwide, although its incidence varies depending on the region and year.
Chickens only, adults are more sensitive
Infectious coryza is caused by Avibacterium paragallinarum, a Gram-negative, immobile, non-spore forming coccobacillus belonging to the Pasteurellaceae family.
- Incubation period: 3 to 7 days
- Symptoms: appearance of a malodorous discharge, first serous then mucopurulent, from the eyes and nostrils, sneezing, coughing, dyspnea combined with diarrhea, a loss of appetite, weight loss and a decline in egg laying
Possible recovery in two weeks, with chronic disease carrying, or death due to secondary complications
Sanitary
Adherence to standard hygiene and breeding rules (sufficient aeration, avoiding overcrowding, clean litter, etc.)
In infected areas, the elimination of infected, ill or recovered birds and the thorough disinfection of premises