We can divide these diseases into two groups: 1. Infectious diseases. 2. Non-communicable diseases. 1) Infectious diseases. Atoxoplasmosis (fat liver disease) is one of the most common infectious diseases — about 90% of canary breeders have it in their enclosure, but only 40% actually suffer from it. The infection is caused by a parasite, Isospora serini, which spreads from the lungs to organs such as the liver and spleen. It mainly occurs in birds between 2 and 9 months old. Symptoms include: being fat, a clearly visible liver and a swollen intestine.
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