Effect of environmental pollutants on ectoparasites on three types of Tigris fish
Journal Title: IOSR Journal of Environmental Science, Toxicology and Food Technology (IOSR-JESTFT) - Year 2018, Vol 12, Issue 9
Abstract
Tow aspects were included in this study: - The first one is related to the investigation of some physical and chemical properties of the Tigris River water in the Tikrit city . The second side was the diagnosis of the parasitic animal groups on three types of Tigirs river fish , and the determination of determine the incidence ratio of the parasites and its intensity.The study showed changes in some physical and chemical properties of the water during the study period that extended From October 2017 to the end of March 2018, as there are fluctuations in the temperature in the range Between (28.7-10.2) for air and (29.0-10.2) for air wile, The pH range was between (8.9-7.8). The brownness ranged from (28.0 to 20.9) the averge of sodium ions ranged from (21.6 to 14.2) mg / L , potassium was between (5.5-2.0) mg / L , the averge of total dissolved solids ranged between (282-202) mg / L, the dissolved oxygen value was ranged between 8.0-4.8 mg / L , and the biological requirement was ranged from (5.2-1.8) mg / L, the value of the total fermentation was (200-300) mg / l and the value of the sulphate was between (110.4-73) mg / L, During the above period collected (633) fish belonging to three types were collected , and it related to the Cyprinidae family and the Mugilidae Family. The results of the examination showed that it was infected with 3 types of parasites, with three different types of fungi. Among these species were Dactylogyrusvastator, 3.1% in carp, 6.5% in pharynx and phoxineDactylogyrus, 0.7% in coarse thickness, The percentage of infection in fish fish is 4.3%, and Bychowskyllaqhauri and the ratio of the incidence of carp in the normal carp 5.8%.
Authors and Affiliations
Prof. Dr. YassienHussienOwaied, Dr Ashraf Jamal MahmoudHalaMahmoodEsmaeel
Keywords
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