This experiment was conducted in the Fish Laborator/ Department of Animal Production/College Agricultural Engineering/University Baghdad for 3 months from 10/21/2020, with aim evaluating use dried Aloe vera leaf and gel powder diets common carp Cyprinus carpio L. In experiment, 18 glass aquariums dimensions 40 x 30 cm (capacity 36 liters) were used, which 90 fish an initial weight 2 ± 45 g/fish...

in this study, freshwater fish cyprinus carpio was exposed to sub lethal concentration of synthetic pyrethroids insecticide cypermethrin to evaluate the impact on nucleic acids in different organs. fishes were exposed to sub lethal concentration (1/10th of lc50 value) of cypermethrin for three different durations, 7, 14 and 21 days. in seven day exposed fishes, dna and rna contents were not alt...

Background: The concentrations of heavy metals in the tissues and organs of fishes indicate the concentrations of heavy metals in water and their accumulation in food chains. In the present study, the concentrations of Zn, Cu, Cd, Ni, V and Pb in three common species of fish and the potential health risks to local residents via consumption of the fishes were estimated.  Methods: The con...

the purpose of this study was to investigate the therapeutic effects of propolis on biochemical and microbiological parameters in muscle tissues of carp (cyprinus carpio, linnaeus 1758) exposed to arsenic. a sublethal concentration of arsenic (0.01 ppm) and/or 0.01 ppm propolis were administered to fish for seven days. biochemical parameters [ph, lactic acid, total volatile basic nitrogen (tvb-...

high concentration of heavy metals or long time exposure to low concentrations of these metals can usually decrease the hematological indices in fish. therefore the aim of this study was to indicate changes in hematology and serum chemistry of common carp (cyprinus carpio) after low cadmium concentration exposure. 60 apparently healthy common carp (mean weight of 700g) divided in two groups and...

Invasive species can cause substantial ecological impacts on native biodiversity. While ecological theory attempts to explain the processes involved in the trophic integration of invaders into native food webs and their competitive impacts on resident species, results are equivocal. In addition, quantifying the relative strength of impacts from non-native species (interspecific competition) ver...

Microbial quality of Labeo rohita, Cyprinus carpio and Clarias batrachus collected from the markets Kathmandu valley was evaluated. 9 freshwater fish (skin, gills, intestine) were sampled analyzed for Total Plate Count (TPC), Coliform (TCC) Fecal (TFCC). The average TPC ranged 4.1 x 107 to 1.02 108 cfu/gm, with highest count in C. lowest carpio, whereas organ wise load intestine 1.3 cfu/gm skin...

Diseases are among the major constraints to sustainable aquaculture. Fish pathogens include bacteria responsible for devastating effects on fish health and even that of consumers. In Cameroon, there is a dearth quantitative data related diseases economic impact. An epidemiological survey was carried out from April 22 May 23, 2021 during first epizootic enteric red plague in fishes Oreochromis n...