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
The purpose of the research is to create the curve of the temperature coefficient of the growth for the young European perch ( Perca fluviatilis ) in intense conditions of the installation of the closed water supply. The temperature coefficient of the growth is a modern and effective method of assessing the hypothetic results of growing fish of any age group. It shows the dependence of the relative daily increase in the temperature of breeding and contributes to the more accurate calculation of total biomass of the breeding species. The experiment was conducted in a closed water supply installation by European perch fry of three different size and weight when fed with commercial feed from the company Scretting for perch fish. The experiment lasted 160 days. Determination of the main fish parameters was held every two weeks. Based on the results of the experiment, the curve of the temperature coefficient of growth was designed, it allows us to accurately assume the growth of juvenile perch in the first year of incubation, including the winter period, as well as the most favorable temperature range. According to this curve, the optimum for the intensive rearing of perch of any size group can be regarded as the water temperature 18.2 °C.
thermal growth coefficient, European perch, Perca fluviatilis
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