Ribogospod. nauka Ukr., 2014; 3(29): 55-66
DOI: https://doi.org/10.15407/fsu2014.03.055
УДК 639.371.7
EXPERIENCE GROWING A FRY WALLEYE (STIZOSTEDION LUCIOPERCA) UNDER DIFFERENT PRODUCTION TECHNOLOGIES
V. Martsenuk, This email address is being protected from spambots. You need JavaScript enabled to view it. , Vinnytsia national agrarian university, Vinnytsia
Purpose. The question of growing and cultivation technology a fry walleye (Stizostedion Sander lucioperca), in various conditions of intensification and cultivation of the objects on the example of Ukraine, Poland and Czech Republic.
Methodology. Some of the research conducted in JSC "Lebedynska RMS." There was a corresponding work of herd sires and fry. Also used published articles and monographs using statistical analysis methods.
Findings. The existing technology of breeding and raising perch as in natural waters and artificial reproduction. Also, this is a clear description of the biology walleye in the early stages postembryogenesis perch. Also highlighted key points in the technology of the object at different aquaculture technologies.
Originality. On the basis of existing technologies were analyzed current methods for growing and perch are to be brought in fish farms Ukraine, depending on the technical capabilities of enterprises.
Practical value. Comparative review of technology growing perch allows farmers to introduce more appropriate technology of walleye for your own needs. Since it is directly a particular manufacturer planting material of the object is necessary to choose the most suitable and perfect technology, based on the existing herd sires, space, equipment and ability to use hormonal stimulation. So can use the following methods of breeding walleye: natural spawning, uncontrolled; controlled natural spawning; spawning in lake; artificial spawning; spawning outside-seasonal. During the early stages of walleye can identify a number of critical periods greatly affect the possibility of wound development: small body size at the final stage of resorption of yolk sac; small size of the cavity; feed intake in the water column; high sensitivity to stress; belonging to the group of fish with a closed bladder; great demands on environmental conditions; relative preferences heat; penchant for cannibalism.
Keywords: aquaculture, walleye, (Stizostedion Sander lucioperca), fry of walleye.
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