Ribogospod. nauka Ukr., 2014; 4(30): 78-85
DOI: https://doi.org/10.15407/fsu2014.04.078
УДК [639.3.043.13:636.087.73]:597-111.1.05

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EFFECT OF FEEDING PREMIX VMA AND FEEDYEAST ON PRODUCTIVE CHARACTERISTICS AND BLOOD BIOCHEMICAL PARAMETERS OF THE ONE-YEARS CARP (CYPRINUS CARPIO)

O. Deren, This email address is being protected from spambots. You need JavaScript enabled to view it. , Institute of Fisheries NAAS, Kyiv

Purpose. To study the effect of feeding carp with VMA premix in a complex with fodder yeasts and separately on their productivity and some biochemical parameters of blood as well as to analyze the level of provision of the experimental groups of fish with natural feeds.

Methodology. The study was based on experimental and laboratory methods adopted in fisheries, hydro-chemical, biochemical and statistical studies.

Findings. The study has established that, at early season, the cultured fish was provided with natural feeds to a certain degree that was evidenced by the analysis of the gut content of experimental groups. At the end of the season the percentage of natural feed in the gut content was low, but this time fish received normalized amount of artificial feed. Hydrochemical parameters in experimental ponds were within normal limits, and temperature regime was optimal for carp growth and metabolism. When feeding of 1+ carp was supplemented with to VMA premix, fish productivity increased by 27.4%, mean weight increased by 12.9%, and the feed rate dropped by 14%. A complex introduction of VMA premix with fodder yeasts into main diet of carp resulted in these changes by 15.9, 36.8 and 28%, respectively. The experimental groups of fish showed an improvement in blood biochemical parameters, namely, a significantly increase in the number of red blood cells and hemoglobin content, and a trend for an increase in the protein content of blood serum and its fractions. Hence, this method of the diet adjustment can be useful the most efficiently under condition that all indicated factors are present together, simultaneously and ensure the implementation of the main task of fish farm – optimum fish weight gain and effectiveness of feed use.

Originality. For the first time we carried out an analysis of the effect of the introduction of the composition of VMA premix and fodder yeasts to the main diet of 1+ carp on the economic component of their culture and some physiological and biochemical parameters.

Practical value. The obtained data will allow scientifically proven optimizing the composition of the diet for commodity carp and applying these developments in industrial conditions in order to improve the profitability of commodity fish farming.

Keywords: 1+ carp (Cyprinus carpio), VMA premix, fodder yeasts, gut content, fish productivity, cost of feed, biochemical composition of blood.

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