Mathematical assessment of physiological indicators of Nile tilapia Oreochromis niloticus vitality
https://doi.org/10.36038/0131-6184-2024-5-105-114
Abstract
Mathematical assessment of physiological indicators of tilapia vitality. Research to identify the most viable fish using functional loading. Phenol was used as a stress factor. Experimental data on the calculation of the number of surviving individuals at certain points in time, depending on blood parameters, were mathematically processed using the survival comparison method. The use of blood indices is necessary as a means of diagnosis and prognosis in pathological processes in order to achieve objective results in fish farming practice. As one of the indicators of the adaptive capabilities of cultured fish, the authors propose to use a blood score on a five-point scale.
About the Authors
V. N. Kryuchkov
Astrakhan State Technical University
Russian Federation
Russian Federation
Viktor N. Kryuchkov – Doctor of Biological Sciences, Professor of the Department of Hydrobiology and General Ecology
414056, Astrakhan, Tatishcheva str., p. 16/1
V. I. Egorova
Astrakhan State Technical University
Russian Federation
Russian Federation
Vera I. Egorova – Candidate of Biological Sciences, Associate Professor, Director of the Institute of Fisheries, Biology and Environmental Management
414056, Astrakhan, Tatishcheva str., p. 16/1
E. A. Dzhalmukhambetova
Caspian Institute of Marine and River Transport named after Gen.-Adm. F.M. Apraksin – branch of the Federal State Budgetary Educational Institution «CIMRT»
Russian Federation
Russian Federation
Elena A. Dzhalmukhambetova – Candidate of Physical and Mathematical Sciences, Associate Professor of the Department of Mathematical and Natural Science Disciplines
414024, Astrakhan, B. Khmelnitsky str., 3
I. V. Volkova
Astrakhan State Technical University ; Caspian Institute of Marine and River Transport named after Gen.-Adm. F.M. Apraksin – branch of the Federal State Budgetary Educational Institution «CIMRT»
Russian Federation
Russian Federation
Irina V. Volkova – Doctor of Biological Sciences, Professor of the Department of Hydrobiology and General Ecology; Professor of the Department of Mathematical and Natural Science Disciplines
414056, Astrakhan, Tatishcheva str., p. 16/1
414024, Astrakhan, B. Khmelnitsky str., 3
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Review
For citations:
Kryuchkov V.N., Egorova V.I., Dzhalmukhambetova E.A., Volkova I.V. Mathematical assessment of physiological indicators of Nile tilapia Oreochromis niloticus vitality. Fisheries. 2024;1(5):105-114. (In Russ.) https://doi.org/10.36038/0131-6184-2024-5-105-114
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