CD Skripsi
Histopatologi Insang Dan Usus Ikan Sepat Rawa (Trichogaster Trichopterus Pall) Yang Terinfeksi Parasit Trematoda Digenea (Clinostomum Sp.)
Trichogaster trichopterus is a freshwater fish commonly found in swampy and lowland waters, and it is highly valued for its taste and economic potential. However, in its natural habitat as well as in aquaculture systems, this species is often exposed to various environmental stressors that increase its susceptibility to parasitic infections. This research was conducted from September 2024 to March 2025 at the FishParasites and Diseases Laboratory, FacultyofFisheries and Marine Science, University of Riau. The aim of this research was to analyze the gill and intestinal structure of Trichogaster trichopterus infected by the parasite Clinostomum sp. The method used was a survey method, with direct fish sampling from the field. Fish samples were collected from the FAPERIKA dam. Sampling was carried out threetimes over a period of30 days at four stations. The first station was located at the dam entrance, the second station to the west, the third station to the north of the entrance, with a distance of 50 meters between stations. The fourth station was located upstream of the dam. The results shown that the gills of fish infected by Clinostomum sp. parasite experienced changes such as hyperplasia, lamellae distortion, edema, congestion, and hemorrhage. The intestines of infected fish shown epithelial lifting, goblet cell proliferation, edema, hypertrophy, hemorrhage, inflammatory cell infiltration, and necrosis. Based on the obtained data, it can be concluded that infection by Clinostomum sp. parasite affects the structure of gill and intestinal in Trichogaster trichopterus.
Keywords: Edema, Epithelial lifting, Hemorrhage, Necrosis, Trichogaster trichopterus
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