Ribogospod. nauka Ukr., 2013; 1(23): 38-44
DOI: https://doi.org/10.15407/fsu2013.01.038
УДК [639.371.52:597-113]:[639.311:631.8]

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FEEDING AND GROWHT OF CARP YEARLINGS AT THE DIRECTIONAL FORMATION OF NATURAL FOOD BASE

S. Koba, This email address is being protected from spambots. You need JavaScript enabled to view it. , Institute of Fisheries NAAS, Kiev
T. Grygorenko, This email address is being protected from spambots. You need JavaScript enabled to view it. , Institute of Fisheries NAAS, Kiev
S. Krazhan,  This email address is being protected from spambots. You need JavaScript enabled to view it. , Institute of Fisheries NAAS, Kiev

Feeding and growth of carp yearlings in nursery ponds of the experimental farm “Nyvka” at the directional formation of natural food base have been studied. It was found that application of methods of directional formation of natural food base, including fertilization of nursery ponds with different organic fertilizers, resulted in supplying juvenile carp with natural food. The content of live feed objects (zooplankton, zoobenthos) in carp gut in the experiment was 48.3 - 50.4% versus 32.6% in the control. Survival of carp yearlings from stocked non?grown larvae was higher in the experiment and composed 31.5 - 48.6% versus 21.0 in the control; fish productivity was 326.0 - 736.3 kg/ha and 232.1 kg/ha, respectively.

Key words: carp young-of-the-year, natural food base, growing ponds, zooplankton, zoobenthos, feeding, fish growth.

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