GRNTI 34.39 Физиология человека и животных
GRNTI 62.13 Биотехнологические процессы и аппараты
GRNTI 69.01 Общие вопросы рыбного хозяйства
GRNTI 69.25 Аквакультура. Рыбоводство
GRNTI 69.31 Промышленное рыболовство
GRNTI 69.51 Технология переработки сырья водного происхождения
GRNTI 87.19 Загрязнение и охрана вод суши, морей и океанов
Modern technologies of cultivation of aquaculture objects are directed on increasing the volumes of fish production and decreasing its prime cost. Technologies of an industrial aquaculture allow to reduce seasonality in production and to raise the extent of automation of process, expanding borders of geographical placement of objects of aquaculture when receiving environmental and not infected production and also allows to provide import substitution. The results of the research on increasing the efficiency of cultivation of sharptooth catfish fry are presented when using the artificial balanced diets on the basis of raw materials of the local origin. The experiments were carried out in the innovative center "Bioaquapark of the Astrakhan State Technical University - scientific technological center of aquaculture" in the conditions of recirculated system. According to biological indicators of growth, it is possible to speak about the efficiency in conditions of the closed water exchange using artificial diets with the content of protein 41, 33 and 29 %. According to biological indicators of growth, it is possible to speak about the efficiency of artificial diets, produced on the basis of the raw materials of the local origin, while adding them to a diet for clariid catfish fry. The assessment of efficiency and full value of the consumed diets was carried out when analyzing the physiological condition of fishes. Breeding of sharptooth catfish using artificial diets in the conditions of the recirculated system influenced the results of the analysis of such biochemical parameters of muscles of sharptooth catfish, as amount of the general lipids - 1.26 %, amount of water-soluble protein in muscles - 29.91 %, amount of the general protein (with recalculation from amount of water-soluble protein) in muscles - 119.64 %. In the experimental samples there were found 18 amino acids with prevalence of treonin, arginin, serin and asparagin. The received results allow to refer the catfish of all options to the group of fish with high protein and low fat content.
aquaculture, African sharptooth catfish, recirculated system, compound feed
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