A histopathological study of Hexamitiasis in farmed rainbow trout ( Oncorhynchus mykiss ) fry in Turkey

The flagellated parasitic protozoan Hexamita salmonis were found in the upper intestine and pyloric caeca in large numbers in the farmed rainbow trout fry. Generally, infected fish fry showed significant level of mortality, exophthalmia and abdominal distension. Histopathologicaly, invasion of the pyloric caeca or upper intestine epithelium by the parasites… CONTINUE READING