Influence of inactivated baker's yeast on growth potential of Russian sturgeon Acipenser gueldenstaedtii (Brandt) fingerling / Вплив інактивованих пекарських дріжджів на потенціал росту молоді російського осетра Acipenser gueldenstaedtii (Brandt)
Journal Title: Рибогосподарська наука України - Year 2018, Vol 45, Issue 3
Abstract
Purpose. To analyze the effect of different concentrations of inactivated baker's yeast on the growth rate of Russian sturgeon fingerlings and the associated metabolic processes to establish the optimal concentrations that could be used in the feed composition for the above-mentioned fish, which are cultivated in recirculating aquaculture system (RAS). Methodology. To achieve the purpose of the work, classical ichtyological and biochemical methods of research were used. So, during the experiment, regular measurements of the mass of fish were performed, mortality was calculated, samples of tissues were selected for further evaluation of the physiological and biochemical status of the organism. The results were processed using variational statistics methods using the standard Microsoft Office Excel package. Results. The influence of various concentrations of baker's yeast in the composition of feed for Russian sturgeon on its growth and survival rates is demonstrated. In particular, it was found that their concentration of 5% on the diet within two weeks after transition to exogenous nutrition is optimal. Scientific novelty. For the first time carried out the analysis of the influence of different concentrations of inactivated baker's yeast, as part of the diet of Russian sturgeon fingerling, on his growth potential. Practical significance. It has been proved, that inactivated baker's yeast is appropriate to be introduced into the started diet for Russian sturgeon, since it has a positive effect on his digestive system and stimulated growth potential.
Authors and Affiliations
M. Simon, Yu. M. Zabytivskyi, I. Hrytsyniak
THE ROLE OF PISCIVOROUS BIRDS OF PODICEPS GENUS IN THE ECOLOGY OF ERYSIPELOTHRIX RHUSIOPATHIAE BACTERIA / РОЛЬ РИБОЇДНИХ ПТАХІВ РОДУ PODICEPS В ЕКОЛОГІЇ БАКТЕРІЙ ERYSIPELOTHRIX RHUSIOPATHIAE
Purpose. To analyze the role of piscivorous birds of Podiceps genus in the ecology of Erysipelothrix rhusiopathiae bacteria. Methodology. The serological examination of birds was performed using E. rhusiopathiae growth...
BIOLOGICAL CHARACTERISTICS OF PRUSSIAN CARP (CARASSIUS AURATUS GIBELIO (BLOCH, 1782) COMMERCIAL STOCK OF THE DNIEPER-BUG ESTUARY / БІОЛОГІЧНА ХАРАКТЕРИСТИКА ПРОМИСЛОВОГО СТАДА СРІБЛЯСТОГО КАРАСЯ (CARASSIUS AURATUS GIBELIO (BLOCH, 1782) ДНІПРОВСЬКО-БУЗЬКОЇ ГИРЛОВОЇ СИСТЕМИ
Purpose. To provide the biological assessment of the silver Prussian carp (Carassius auratus gibelio (Bloch, 1782)) commercial stock of the Dnieper-Bug estuary in the conditions of the transformed Dnieper river flow. Me...
EFFECT OF VITAMINS A AND B6 ON AQUACULTURAL AND BIOLOGICAL PARAMETERS OF YOUNG-OF-THE-YEAR KOI (CYPRINUS CARPIO KOI) / ВПЛИВ ВІТАМІНІВ А I В6 НА РИБНИЦЬКО-БІОЛОГІЧНІ ПОКАЗНИКИ ЦЬОГОЛІТОК КОРОПА КОЇ (CYPRINUS CARPIO KOI)
Purpose. To study the effect of vitamins A (retinol) and B6 (pyridoxine) on aquacultural and biological parameters of young-of-the-year koi (Cyprinus carpio koi). Methodology. The study was conducted in laboratory condi...
Histological and morphological analysis of oocytes of the Prussian carp (Carassius gibelio Bloch, 1782) under the conditions of the Zaporizhzhia (Dnipro) reservoir / Гістоморфологічний аналіз ооцитів карася сріблястого (Carassius gibelio Bloch, 1782) в умовах Запорізького (Дніпровського) водосховища
Purpose. To conduct histomorphological analysis of the Prussian carp eggs under the conditions of Zaporizhzhia (Dnipro) reservoir. Methods. The research was carried out at two observation stations located in the Samara B...
Seasonal dynamics of morphological and physiological parameters of scaly carp (Cyprinus carpio Linnaeus, 1758) juveniles from the Taromske fish farm / Сезонна динаміка морфо-фізіологічних показників молоді коропа лускатого (Cyprinus carpio Linnaeus, 1758) Таромського рибного господарства
Purpose. To investigate of the seasonal dynamics of morphological and physiological parameters of scaly carp juveniles reared under the conditions of the Taromske fish farm in the Dnipropetrovsk region. Methodology. Mo...