Apophallosis (syn. Rossicotremosis , lat. Apophallosis , rossicotremosis ) - helminthiasis from the group of trematodoses , affecting humans and domestic animals, commercial fish, caused by Apophallus donicus .
The causative agent is the trematode Apophallus donicus ( Rossicotrema donica , family Heterophyidae ) at the larval stage parasitizes in fish ( river perch , ruff , pikeperch , living in rivers that flow into the Black Sea, as well as in the Tisza river, estuaries of the Sea of Azov and the Western Dvina) .
When eating invasive fish, animals are infected (dog, cat, fox, arctic fox and other carnivorous mammals, some fish-eating birds, for example, gulls) and a person in whom A. donicus parasitizes in the small intestine [1] .
Parasites living in the intestines of the final host have a pear-shaped or ovoid shape with an extended posterior end. Body length - 1.12-1.3 mm, width - 0.58-0.72 mm. The body is covered with spines. .
Pathogenesis is poorly understood. In cats with severe invasion (1,500 parasites), emaciation, loss of appetite, and control disorders were observed.
Prevention consists in conducting veterinary supervision, proper thermal preparation of fish.
Literature
- Ivanov V.M., Semenova N.N. Causes of the occurrence and development of foci of Rossicotremosa fish in the Volga delta and in the Northern Caspian // Hydrobiological studies in reserves.
Notes
- ↑ Apophallosis (Rossicotremosis) (unavailable link)