background: vitamins are considered an essential part in diet of aquatic animals. objectives: this study was carried out to assay the effect of different levels of vitamin e on growth performance, carcass compositions and blood parameters of common carp fingerlings (cyprinus carpio). methods: total number of 96 common carp fingerlings weighing 15.49 ± 3.64 g were randomly distributed into 12 fi...

background: paraquat is a non-selective contact herbicide, widely used to control weeds in agriculture farms and aquatic plants in surface waters. paraquat can have adverse effects on the health of aquatic organisms. the aim of this study was to detect the alterations in the blood biochemical parameters of common carp exposed to sub-lethal concentrations of commercial formulations of paraquat. ...

Parasitic diseases are common in fish. Diagnosis can be made through gill biopsy, skin cytology, fecal examination, or necropsy. Common parasites include protozoa, helminths, and crustaceans. Determining the cause of death in a fish is important for maintaining the health of other fish in the same environment. Due to rapid autolysis, fish necropsies should be performed promptly after death. Sam...