The article presents the results of a study peripheral blood erythrocytes dominant animal species in Turkestan region. relevance this work is due to construction nuclear power plant on territory Uzbekistan (Jizzakh region, Lake Tuzkan), since areas region fall under potential influence plants and biota objects require monitoring at ‘zero stage’ before plant. data obtained are great importance a...

Sexual reproduction imposes risks on participating adults through increased probability of injury, predation pressure, or parasite exposure. Evolutionary theory predicts that animals will tolerate infection during at the expense load, resulting in individual trade-offs between temporary costs current against long-term evolutionary benefits form life-long production viable offspring. We tested t...

this research was conducted to study the length-weight and length-length relationships and condition factor of six cyprinid fish species viz. alburnus atropatena , barbus lacerta , capoeta capoeta , carrasius gibelio , romanogobio macropterus and pseudorasbora parva from zarrineh river (urmia lake basin, iran). a total of 188 specimens ranging from 2.9 to 21.4cm in total length and 0.22 to 176g...