Chicken Vet Melbourne | Bird Vet Melbourne

Infectious Coryza in Chickens | Avibacterium paragallinarum

Infectious coryza is a bacterial respiratory disease of chickens caused by Avibacterium paragallinarum. If one bird is affected, the rest of the flock has likely already been exposed.

Looking for a chicken vet in Melbourne? Visit Bird Vet Melbourne

Coryza in chickens -Treatment

What this means for your flock

A positive qPCR confirms this bacteria is present. It spreads easily between chickens and can move quickly through a flock.

Important: This condition rarely causes sudden death on its own. If a bird dies quickly, another disease may also be involved.

Signs of infectious coryza

Respiratory

Runny nose
Sneezing
Noisy breathing
Sticky eyes

Facial swelling

Puffy face
Swollen sinuses
Swelling around the eyes

General changes

Lethargy
Reduced appetite
Drop in egg laying

What to do now

Check birds daily
Isolate any bird that looks off
Clean feeders and waterers daily
Avoid introducing new birds
Contact a vet early

General veterinary care information: Burwood Vet Melbourne

Treatment options

As this is a bacterial disease, antibiotics may be used in affected birds.

In water flock treatment such as chlortetracycline
Individual treatment with doxycycline where appropriate

Treatment helps control signs and spread but does not remove the carrier state.

View poultry medications and supportive products:
Shop chicken medications

Should you treat all birds

Usually no. Treating healthy birds does not prevent infection and can contribute to resistance.

Need a chicken vet in Melbourne

Early action makes a significant difference. Book a phone consultation with our poultry veterinarians.

Book a phone consultation