Avian Gastric Yeast (Macrorhabdosis)
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About this condition
A wasting disease caused by the yeast Macrorhabdus (AGY) parasitizing the digestive tract, causing weight loss despite eating. It is prone to relapse, making early detection and ongoing management important.
Common symptoms
- Vomiting
- Undigested feces
- Weight loss despite eating
- Fluffed feathers
Common causes
- Macrorhabdus (yeast fungus) infection
- Stress
- Decreased immune function
Prevention (husbandry & daily care)
Reduce stress, fecal testing for new birds, maintain hygiene.
Related species guide
→ Browse the species guide for this animalWhen to see a vet
Consider a vet within a few daysWhat treatment does a vet provide?
A veterinarian will confirm the infection through fecal or gastric fluid testing and administer antifungal treatment. Because relapse is common, regular follow-up testing after treatment is recommended.
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