The ecosystems of the Ile-Balkhash region have been subjected to anthropogenic pressure in recent years, which leads a decrease biodiversity, including commercial fish. In present study, using method atomic absorption spectroscopy, content heavy metals surface waters and bottom sediments Ile River (upper reach, Panfilovsky district, Almaty region) southeastern part Kapshagay reservoir was deter...

This study aims to explain the effect of salt stress on Grass carp Ctenopharyngodon idella. It includes two parts, first determine LC50 during abrupt increase in salinity 5,10 and 15g/L.While other part concerned with physiological effects gradual 5 10 g/L osmoregulation, by measuring ions concentration ( Na+, K+ ) blood plasma muscles, water contents muscles , numbers percentage chloride cells...

In the present study, we reported infection with eighteen species of the genus Dactylogyrus, belong to thefamily Dactylogyridae from five breeder fish species, including common carp (Cyprinus carpio), grass carp(Ctenopharyngodon idella), silver carp (Hypophthalmichthys molitrix), big head carp (Hypophthalmichthysnobilis) and black carp (Myelopharyngodon piceus) which introduced and imported to ...