Document Type : Primary Research paper
Department of Zoology, Women’s Christian College, Nagercoil. Tamil Nadu- 629001.
Department of Animal science, Manonmaniam Sundaranar University, Tirunelveli, Tamil Nadu-627012.
Reservoirs are considered as one of the valuable sources of fish production which have a major role in the inland fish production of our country. Inland fisheries sector of Tamil Nadu has about 3.71 lakhs ha of water spread area comprising reservoirs, major irrigation and seasonal tanks and ponds, estuaries, backwaters, which are suitable for both capture and culture fisheries.Xenentodon cancila a freshwater fish of Pechiparai reseivoir, Kanya Kumari District, Tamilnadu. is severely infected with the nematode parasite Philometra pellucida. The present investigation was carried out during January, 2017 to December, 2019. A total number of 221 fishes were collected between infected and non-infected fishes. In this study, the carbohydrate, protein and lipid content were estimated from liver, intestine, testes, ovary and gills of X. cancila (infected and non-infected fishes). The infected X. cancila provided low nutrients value than those of non-infected fishes. Infection with parasites in fishes had the highest effect on liver, intestine, testes, ovary and gills.