Roundworm in Birds
Gastrointestinal parasites can cause many problems in a bird's stomach and intestines, but also affects the normal functions of other organs. Roundworms, in particular, are a type of parasite which affects the bird's digestive tract.
Symptoms and Types
The usual symptoms of a roundworm infection are weakness and weight loss. Also, if left untreated, the roundworms can eventually obstruct the bird's intestine.
Pet birds usually contract roundworms from wild birds, either from encountering these wild animals while being housed outdoors or from its time at a bird store (if it was brought from one). Infected birds can also transmit the parasites to its eggs.