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https://doi.org/10.53939/15605655/2022_3_39

Pilin D.V., Tumenov A.N., Tuleuov A.M., Oskina A.A., Bulekov N.U., Dnekeshev A.K.

Abstract: The potential fish productivity of four fishless reservoirs of Western Kazakhstan is estimated for  subsequent use in fish farming calculations on similar fishery reservoirs of the region. Potential fish production was determined by the biomass of feed zoobenthos. In parallel the productivity of carp as main object of extensive aquaculture was evaluated in the lake-commercial fish farms. The obtained values of potential fish production in the reservoirs deprived of ichthyofauna equaled to 72 kg per ha for the reservoirs of West Kazakhstan and 37 kg per ha for the Aktobe region. The productivity of carp grown in extensive aquaculture in the West Kazakhstan region in the first year of cultivation amounted to 75 kg per ha.
Keywords: zoobenthos, fish production, pond, hydrochemical parameters, extensive aquaculture, West Kazakhstan region, Aktobe region.

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