background: to solve the problems caused by using synthetic pesticides in agricultural fields and aquaculture ponds studies are being carried out on the feasibility of using biopesticides or plant extracts, which are less toxic. extensive research is being carried out by researchers globally to manufacture pesticides using plant extracts. the present study evaluated the effect of datura metel p...

the toxic impact of copper sulfate in lethal and sublethal concentrations was investigated on gill of grass carp, ctenopharynogodon idella . in this investigation, 27 specimens were used as control group and three treatment groups were treated with 2.5 and 5mg/l of copper sulfate. gill samples were collected from each treatment after 96hr and lesions were analyzed by light microscopy. in histop...

the parasite fauna of 50 specimens of spiny eel obtained from two lakes, zarivar (in kurdistan province) and parishan (in fars province) and one river, heleh (booshehr province) were examined during the year 2003. a total of nine parasite species were found. gills of spiny eel were infected with ichthyophthirius multifiliis , trichodina pediculus (protozoa) and mastacembelocleidus heteranchorus...

survey on developmental stages of myxobolus karuni and m. persicus in the gills of barboid fishes from mezopotamian part of iran was done. a total 296 fish specimences were examined. random sampling was carried out during 2002- 2004 from karoun, karkheh rivers and shadgan lagoon. the fishes transported alive to the laboratory, their gills were fixed and stained. myxobolus karuni developed histo...

Yellow finned sea bream (Acanthopagrus arabicus) is a commercially important fish of coastal water Pakistan. It widely consumed by the people within and outside country. Therefore, paper investigates concentration macro-minerals (Ca, K, Mg Na) in its meat gills. The concentrations different elements demonstrated statistically significant difference (P < 0.01) between gills fish. Significantl...