Scientific Reports of the National University of Life and Environmental Sciences of Ukraine

Pisciculture, biological and physiological indicators of age–1+ carp while adding naked oats into main feeding

N. Syrovatka
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Abstract

The influence of naked oats on pisciculture, biological, hematological and biochemical parameters of commercial carp groups, as one of the components of the feed mixture in different ratios has been studied in the article. The aim of the experiment was to increase the fish productivity of ponds and to reduce feed costs for cultivation by meeting the physiological needs of commercial carp groups when using naked oats in carp feeding. The object of the study was age–1+ carps of Lubin scaly and framed intra-breed type of Ukrainian carp breed. For this purpose, three experimental groups of fish were formed by the method of analogues. Fish of the first experimental group (from July 1) were additionally introduced 30% of naked oats into the main diet, the fish of the second experimental group - 50% of naked oats, the third group was fed a feed mixture without added oats. As a result of the research done, it is proved that the addition of a mixture of naked oats has a positive effect on fish biological and physiological parameters of commercial carp. It was found out that the most effective is the additional feeding of naked oats in the amount of 30%. In particular, when the very amount of naked oats is added to the basic diet, the total fish productivity indicator increases by 7.7 % relative to the control pond indicators, and feed costs are lower by 16.7 %. The amount of hemoglobin in the blood of the first experimental group was higher relative to the control group, and the number of erythrocytes was significantly higher (P> 0.01). However, in the carp serum of the first experimental group the level of superoxide dismutase (P> 0.02) significantly increased while the level of catalase decreased

Keywords

carp, age–1+ carp, feed costs, hemoglobin, erythrocytes, fish productivity, zooplankton, zoobenthos, antioxidant defence system

Suggested citation
Syrovatka, N. (2021). Pisciculture, biological and physiological indicators of age–1+ carp while adding naked oats into main feeding. Scientific Reports of the National University of Life and Environmental Sciences of Ukraine, 17(5),115-128. http://dx.doi.org/10.31548/dopovidi2021.05.011
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