The effectiveness of using the synbiotic drug “ProStor” as additives in compound feed when growing carp fingerlings in pond conditions

Abstract

The stimulating effect of the synbiotic drug “ProStor” on the body weight gain of fish and their physiological state was previously considered in various scientific sources when growing various fish species in swimming pools, cages and experimental aquariums. With the intensification of pond fish cultivation with compacted carp plantings, the percentage of natural forage organisms in the food lump is minimized, and, accordingly, the main weight gain of fish is carried out by feeding with compound feeds. In such conditions, the importance of using probiotic supplements in carp feeding becomes relevant. For a more complete description of the stimulating effect of probiotics, studies were conducted on feeding carp fingerlings in pond conditions of the Saratov region using the synbiotic drug “ProStor”. As a result of the conducted studies, it was revealed that the fish productivity of the outgrowth pond, where young carp were fed mixed feed with the drug “ProStor”, was 20% higher than in the control pond. Higher fish productivity was accompanied by better indicators of carp fingerlings by their average weight, which was 29.6 g and 26.4 g, respectively, in the experimental and control outgrowth ponds. In addition, the use of the developed drug by the company “STC BIO” LLC allowed to reduce feed costs when growing carp fingerlings, which indicates an increasing factor on the quality of compound feed of the synbiotic drug used. On average, the economic efficiency of the use of “ProStor” additives allows you to get an additional profit from one hectare of pond area compared to the control up to 22.5 thousand rubles.