Studi Histopatologi Organ Insang pada Ikan Nila (Oreochromis niloticus)

This study aims to determine the abnormal tissue structure of gill organs in Tilapia (Oreochromis niloticus) due infection. The type research used is experimental using a randomized design. sample was tilapia infected with disease, taken from nursery pond poor water quality. can be seen macroscopic characteristics sick tilapia. conducted at Histopathology and Pathology Laboratory Sempur Freshwater Aquaculture Research Institute, Bogor. procedure by making preparations or histological for organs. Data analysis observing identifying, both macroscopically microscopically. results data processing are presented form comparison images normal tissue, after going through observation identification activities. Based on that has been done, histopathological studies Tilapia, indicated fish had disease. brownish color gills, slow movement, difficulty breathing. Infection caused pathogens influence cloudy quality fish's habitat.