In 5 experunents, conlmon carp fry Cyprinus carpio with Dactylogyrus vastator infection of varying severity, as well as parasite-free fry, were placed into an environment of decreasing oxygen content. The correlation between the time of death and helminth infestation of the gills was studied. The experiments demonstrated that in a medium of decreased oxygen content the carp with the heaviest he...

Two koi (Cyprinus carpio) from the same pond developed similar lesions of scoliosis. Radiographic examinations showed that their spines had become malaligned as a result of vertebral compression fractures involving T14 to T16. The vertebrae in both fish were stabilised with screws, k-wire and polymethylmethacrylate. They both appeared to improve after surgery, but they began to decline and died...

the karoun river is major source of water for warm water fish culture industry in southwest of iran. the aim of the present study was to investigate the distribution of mercury in tissues of marketable common carp and in bottom sediments of fish farms in khouzestan province. this study was carried out on 45 fish farms that are located on the bank of the karoun river in khouzestan province, sout...

 The purpose of this study was to investigate the therapeutic effects of natural products like propolis on biochemical and hematologic parameters in carp (Cyprinus carpio, Linnaeus 1758) exposed to arsenic. In this study fish were exposed to 0.01 mg/L arsenic and 10 mg/L propolis for seven days. Our results indicated that triglyceride, urea, total cholesterol, cobalt, ALT (alanine amino transfe...