الفهرس | Only 14 pages are availabe for public view |
Abstract A total number of 1080 fishes of different fish species were collected alive at Sohag Governorate; the samples represented 540 cultured fishes and 540 wild fishes. The cultured fishes involved 180 O. niloticus, 180 T. zilli and180 C. idella that were collected from El-Ahaywa fish hatchery. The wild fishes involved 180 O. niloticus, 180 T. zilli and180 C. gariepinus that were collected from River Nile tributaries at Sohag City. The collected fish were examined microscopically for the presence of Trichodina parasites |