BIOCHEMICAL ANALYSIS, HAEMATOLOGICAL PROPERTIES AND CARCASS COMPOSITION OF NILE TILAPIA (Oreochromis niloticus) REARED IN DIFFERENT LEVELS OF SEWAGE WATER | ||||
| Veterinary Medical Journal (Giza) | ||||
| Volume 48, Issue 1, January 2000, Page 111-116 PDF (2.08 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/vmjg.2000.375602 | ||||
 View on SCiNiTO | ||||
| Author | ||||
| M SWEILUM | ||||
| National Institute of Oceanography and Fisheries | ||||
| Abstract | ||||
| Biochemical analysis, hacmatological properties and carcass composition of Oreochromis niloticus were studied in relation to different levels of sew-age watcr pollution for a period of 91 days. The fish were stocked in glass aquaria (150 liters each) and fed on artificial diet (28% protein). Itwas noticed that, the dissolved oxygen and totalalkalinity of the water were decreased with the in-creasing of sewage pollution level. While ammo-nia, nitrate, phosphate, silicate and pH value were slightly increased. The liver biochemical constituents, blood parame-ters, scrum compositions and proximate analysis of rearing fish were increased from control group (100% freshwater) to the first level of sewage pollution (75% fresh water and 25% pollutant water).‘While above this level, the previous values were gradually decreased. On the other hand, the val-Piducs of hcpatosomatic index and scrum glucosc were increased with the increasing of sewage pol-lution concentration. | ||||
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