[Spontaneous tumours in Japanese quails]

The occurrence of spontaneous tumours in 8 female quails (C. coturnix japonica) aged 1.5-3 years was stated. In 7 females the adenocarcinomas of the oviduct with numerous metastases in the abdominal cavity were recognized. In one female the haemangiosarcoma arising from the pleura with few metastases in the abdominal cavity was found. The possibility of relation between the high productivity and the age of females as well as the frequency of the oviduct adenocarcinomas was pointed out.