<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The effect of replacing natural food with commercial feed on the growth and survival of blue bream, <italic>Ballerus ballerus </italic>(L.), larvae reared under controlled conditions was investigated. Live food, brine shrimp, <italic>Artemia </italic>sp. (A), nauplii, was replaced after four (A4P17), eight (A8P13), and 12 (A12P9) days with commercial feed (P). The control groups were larvae fed nauplii (A21) or feed (P21) exclusively for throughout the experiment. The density of larvae was 40 ind. dm<sup>−3</sup>, and the rearing temperature was 25 ± 0.5°C. The highest blue bream larval growth rate in the groups fed the commercial feed tested was in group A12P9, in which larvae reached an average body weight of 56.1 mg with an average total length of 21.1 mm. These values were only slightly lower than those obtained in the A21 control sample. Final larval survival in each of the feeding groups ranged from 67% (A4P17) to 93% (A12P9). The larval lowest survival and growth parameters were recorded in control group P21, in which larvae received only commercial feed; this indicated the necessity of using natural food when rearing blue bream larvae.</p>
</abstract>

The effect of replacing natural food with commercial feed on the growth and survival of blue bream, Ballerus ballerus (L.), larvae reared under controlled conditions was investigated. Live food, brine shrimp, Artemia sp. (A), nauplii, was replaced after four (A4P17), eight (A8P13), and 12 (A12P9) days with commercial feed (P). The control groups were larvae fed nauplii (A21) or feed (P21) exclusively for throughout the experiment. The density of larvae was 40 ind. dm−3, and the rearing temperature was 25 ± 0.5°C. The highest blue bream larval growth rate in the groups fed the commercial feed tested was in group A12P9, in which larvae reached an average body weight of 56.1 mg with an average total length of 21.1 mm. These values were only slightly lower than those obtained in the A21 control sample. Final larval survival in each of the feeding groups ranged from 67% (A4P17) to 93% (A12P9). The larval lowest survival and growth parameters were recorded in control group P21, in which larvae received only commercial feed; this indicated the necessity of using natural food when rearing blue bream larvae.

Impact of replacing natural food with commercial feed on the growth and survival of blue bream larvae (<italic>Ballerus ballerus</italic>) under controlled conditions

Department of Ichthyology and Aquaculture, Faculty of Animal Bioengineering

University of Warmia and Mazury in Olsztyn

Fisheries & Aquatic Life

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

Impact of replacing natural food with commercial feed on the growth and survival of blue bream larvae () under controlled conditions

The effect of replacing natural food with commercial feed on the growth and survival of blue bream, Ballerus ballerus (L.), larvae reared under controlled...

Impact of replacing natural food with commercial feed on the growth and survival of blue bream larvae (Ballerus ballerus) under controlled conditions

Pubblicato online: 18 feb 2023

Pagine: 192 - 201

Ricevuto: 30 nov 2022

Accettato: 27 dic 2022

DOI: https://doi.org/10.2478/aopf-2022-0018

Parole chiave
artemia, food replacement, blue bream, survival rate, growth rate, controlled conditions

© 2022 Przemysław Piech et al., published by Sciendo

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

Impact of replacing natural food with commercial feed on the growth and survival of blue bream larvae (Ballerus ballerus) under controlled conditions

Pubblicato online: 18 feb 2023

Pagine: 192 - 201

Ricevuto: 30 nov 2022

Accettato: 27 dic 2022

DOI: https://doi.org/10.2478/aopf-2022-0018

Parole chiaveartemia, food replacement, blue bream, survival rate, growth rate, controlled conditions

© 2022 Przemysław Piech et al., published by Sciendo

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

Parole chiave
artemia, food replacement, blue bream, survival rate, growth rate, controlled conditions