<abstract xmlns="http://www.w3.org/1999/xhtml">This study was conducted to investigate the effects of feeding rations on growth, feed utilization, and proximate composition of <italic>Cyprinus carpio</italic> × <italic>Carassius auratus</italic> hybrids reared in cages located in power station cooling waters. The study was conducted at the Fisheries Experimental Station of the Department Aquaculture of West Pomeranian University of Technology in Szczecin located at the Dolna Odra Power Plant. The studies used the carp feed Classic (30.6% protein, 8.8% lipid, 47.5% carbohydrate, and 18.1 MJ kg−1 gross energy) in the following rations: 0.8%, 1.2%, 1.6%, 2.0%, and 2.4% of fish metabolic weight. Each of the variants were tested for 140 days in triplicate at a density of 150 fish per cage. During the experiment, the water temperature ranged from17.1 to 34.3°C, pH was 7.5-9.0, and oxygen was 2.8-12.6 mg dm−3. At the end of the study, the mean individual body weights of the hybrids ranged from 150 to 430 g and the FCR was from 1.44 to 2.32. The optimal piecewise regression model rations were 1.4% of metabolic body weight.</abstract>

This study was conducted to investigate the effects of feeding rations on growth, feed utilization, and proximate composition of Cyprinus carpio × Carassius auratus hybrids reared in cages located in power station cooling waters. The study was conducted at the Fisheries Experimental Station of the Department Aquaculture of West Pomeranian University of Technology in Szczecin located at the Dolna Odra Power Plant. The studies used the carp feed Classic (30.6% protein, 8.8% lipid, 47.5% carbohydrate, and 18.1 MJ kg−1 gross energy) in the following rations: 0.8%, 1.2%, 1.6%, 2.0%, and 2.4% of fish metabolic weight. Each of the variants were tested for 140 days in triplicate at a density of 150 fish per cage. During the experiment, the water temperature ranged from17.1 to 34.3°C, pH was 7.5-9.0, and oxygen was 2.8-12.6 mg dm−3. At the end of the study, the mean individual body weights of the hybrids ranged from 150 to 430 g and the FCR was from 1.44 to 2.32. The optimal piecewise regression model rations were 1.4% of metabolic body weight.

A preliminary study to determine optimal feed rations for <italic>Cyprinus carpio</italic> L. × <italic>Carassius auratus</italic> L. hybrids reared in cages in spent cooling water

West Pomeranian University of Technology in Szczecin

Faculty of Food Science and Fisheries, Department of Aquaculture

Fisheries & Aquatic Life

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

A preliminary study to determine optimal feed rations for  L. ×  L. hybrids reared in cages in spent cooling water

This study was conducted to investigate the effects of feeding rations on growth, feed utilization, and proximate composition of Cyprinus carpio × Carassius...

A preliminary study to determine optimal feed rations for Cyprinus carpio L. × Carassius auratus L. hybrids reared in cages in spent cooling water

Published Online: Feb 27, 2020

Page range: 190 - 197

Received: Oct 23, 2018

Accepted: Dec 20, 2019

DOI: https://doi.org/10.2478/aopf-2019-0021

Keywords
cooling water, optimal feeding ration, hybrid carp × goldfish

© 2019 Jacek Sadowski et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

A preliminary study to determine optimal feed rations for Cyprinus carpio L. × Carassius auratus L. hybrids reared in cages in spent cooling water

Published Online: Feb 27, 2020

Page range: 190 - 197

Received: Oct 23, 2018

Accepted: Dec 20, 2019

DOI: https://doi.org/10.2478/aopf-2019-0021

Keywordscooling water, optimal feeding ration, hybrid carp × goldfish

© 2019 Jacek Sadowski et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
cooling water, optimal feeding ration, hybrid carp × goldfish