One of the most important scientific disciplines is determining toxicity heavy metals in freshwater, and there a rising concern about development methodologies for identifying toxic effects aquatic creatures. To test efficacy this approach, an experimental study was conducted on fish Cyprinus carpio from pond Bengaluru, Karnataka. Surface bioaccumulation mercury lead studies using Scanning Elec...

Common carp [Cyprinus carpio (C. carpio)] is an economically important fish species cultured mostly in Asia and Europe. Global production of farmed common carp was about 6.14% (3 172 488 tonnes) of the total world aquaculture production[1]. Artificial insemination can be applied to increase the production to meet this demand due to exploitation of natural stocks. Cryopreservation is a valuable ...

Research is ongoing to develop screening and testing programmes for endocrine disrupting effects of new chemicals and in the focus of this development are the fish test species common carp (Cyprinus carpio). In this study we have developed quantitative enzyme linked immunosorbent assays (ELISA) for VTS in common carp. The working range of the ELISA was 11.25 to 2000 ng mL(-1) (75-25% specific b...

background: occurrence of resistance against antibioticsand inadequate efficacy of some vaccines necessitates studies ofnatural immunostimulators in aquaculture. shrimps shell derivedfrom chitosan can be used as immune stimulators in fish.objectives: in this study, the effects of oral administration ofchitosan, derived from shrimp shell, on some immune responsesand disease resistance in cyprinu...

Acute toxicity of commercial grade organophosphate insecticide, quinalphos (25% emulsified concentration) to common carp (Cyprinus carpio) was tested through bioassay. The acute toxicity of quinalphos to the fingerlings exposed for 96 hr was found to be 2.75 ppm. For sub lethal toxicity study, the fish were exposed to two concentration viz., 1/10th of LC50 (0.275 ppm) and 1/5th of LC50 (0.55 pp...

Myxosporeans are best known for the diseases they cause in commercially important fish species. Identification of myxosporeans at the species-level is mainly based on conventional methods. The 18S rRNA gene sequence of morphologically identified Myxobolus orissae infecting the gill lamellae of mrigal carp Cirrhinus mrigala was characterized in the present study. The plasmodia of M.orissae were ...

The concentrations and distribution of 6 PCB indicator congeners (IUPAC nos. 28, 52, 101, 138, 153, and 180) were measured in 236 organ samples of fish (Cyprinus carpio and Oreochromis mossambicus) from the North End Lake in Port Elizabeth, South Africa. Polychlorinated biphenyls (PCBs) were extracted from the fish muscles, gills, gonads and livers using USEPA method 8082, followed by a clean-u...

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in this study the effects of the most popular anaesthetics including: ms222, clove oil (eugenia caryophyllata) and 2-phenoxyethanol, on some haematological and serum enzymes of cyprinus carpio were investigated. firstly the effective dose of each anaesthetics (3 minutes for anesthesia and 5 minutes for recovery ) and lc50 of them were calculated in c. carpio. fish were anaesthetized with the ef...