Proventricular dilatation disease (Bornavirus infection)
Also known as PDD, Macaw Wasting Disease
PDD is a severe neurological and digestive disease affecting birds, primarily parrots, caused by Bornavirus infection.
See a vet now if
- Sudden weight loss
- Inability to eat or perch
Symptoms
Early signs
- Weight loss
- Regurgitation
As it progresses
- Neurological signs such as tremors
- Muscle wasting
Emergency signs
- Severe lethargy
- Inability to perch
Causes
- Avian Bornavirus infection
Risk factors
- Close contact with infected birds
- Poor hygiene conditions
Body parts affected
How vets diagnose it
- Clinical signs
- PCR testing
Treatment
At home
- Stress-free environment
- Nutrient-rich foods
At the vet
- Antiviral medications
- Anti-inflammatory drugs
Prevention
- Quarantine new birds
- Regular vet check-ups
Outlook
- Prognosis
- Poor, management focuses on quality of life.
- Typical recovery
- No typical recovery, chronic management required.
Proventricular dilatation disease (Bornavirus infection) questions
What is PDD?
PDD is a disease caused by Bornavirus, affecting birds' nervous and digestive systems.
How is PDD transmitted?
Through contact with infected birds or contaminated environments.
Can PDD be cured?
There is no cure, but management focuses on symptom relief and quality of life.
Is PDD contagious to humans?
No, PDD is not zoonotic.
What birds are most at risk?
Parrots, especially those in captivity, are most at risk.
Full clinical detail
Overview
Proventricular dilatation disease (PDD), also known as Macaw Wasting Disease, is a severe condition primarily affecting avian species such as parrots. It is caused by an infection with the Avian Bornavirus, leading to inflammation of the nervous system and gastrointestinal tract.
Causes
PDD is caused by the Avian Bornavirus. The virus spreads through direct contact with infected birds or contaminated environments.
Symptoms & Signs
Early Symptoms
- Weight loss
- Regurgitation
Advanced Symptoms
- Neurological signs such as tremors
- Muscle wasting
Emergency Signs
- Severe lethargy
- Inability to perch
Diagnosis
Diagnosing PDD involves a combination of clinical signs, radiography, and PCR testing to detect the presence of Bornavirus.
Treatment Options
Home Care
- Maintain a stress-free environment
- Provide nutrient-rich foods
Veterinary Treatment
- Antiviral medications
- Anti-inflammatory drugs
Surgical
- Currently, there are no surgical options for PDD.
Home Care
Providing a calm environment and a balanced diet can help manage symptoms.
Prevention
- Quarantine new birds
- Regular veterinary check-ups
Prognosis & Recovery
The prognosis is generally poor, with supportive care being the mainstay. Recovery is not typical, and management focuses on quality of life.
When to See a Vet
- Sudden weight loss
- Inability to eat or perch
FAQ
- What is PDD? PDD is a disease caused by Bornavirus, affecting birds' nervous and digestive systems.
- How is PDD transmitted? Through contact with infected birds or contaminated environments.
- Can PDD be cured? There is no cure, but management focuses on symptom relief and quality of life.
- Is PDD contagious to humans? No, PDD is not zoonotic.
- What birds are most at risk? Parrots, especially those in captivity, are most at risk.
Worried about your pet?
This page is general guidance, not a diagnosis. A vet should examine your pet before any treatment starts.