Research Article

Effects of intermittent feeding regimes on growth performance and economic benefits of Amur catfish (Silurus asotus)

Volume: 3 Number: 3 June 1, 2020
  • Gladys Mwaka Holeh *
  • Patrick Appenteng
  • Mary A. Opıyo
  • Jeonghwan Park
  • Christopher Lyon Brown
EN

Effects of intermittent feeding regimes on growth performance and economic benefits of Amur catfish (Silurus asotus)

Abstract

A study was conducted to determine the growth performance and economic viability of culturing Amur Catfish (Silurus asotus) using four different feeding regimes: Every-day feeding (EDF), Every two-days feeding (ETDF), Tertian feeding (TF) and Quartan feeding (QF) for 65 days. Twenty fingerlings of sizes between 2-3 grams each were randomly distributed in 12 glass aquaria and assigned to each of the feeding regime in triplicates. Fish were fed on commercial feed (Woosung feed) containing 50% crude protein. Highest specific growth rates (SGR) (5.15 ±0.06%) was recorded in EDF with significance differences in all treatments (P ˃ 0.05). Feed conversion ratio (FCR) was significantly lower in TF (P ˂ 0.05) while survival rate ranged from 83.33% to 96.67% and was not significantly different among the treatments (P > 0.05). The length-weight relationship (LWR) analysis indicated that the regression slope b values were not significantly different (P > 0.05) among the treatments. Partial enterprise budget analysis of S. asotus using different feeding regimes indicated that net returns above total costs were significantly higher in EDF (P ˂ 0.05). This shows that every day feeding to satiation is the best feeding regime to be adopted for economic benefits of rearing Amur catfish. 

Keywords

Supporting Institution

This study is a part of first authors Msc. Thesis which was supported by the World Fisheries University-Pilot Program at the Pukyong National University, Aquaculture Laboratory.

References

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Details

Primary Language

English

Subjects

Hydrobiology

Journal Section

Research Article

Authors

Patrick Appenteng
0000-0002-8335-2516
South Korea

Mary A. Opıyo
0000-0001-9660-5888
Kenya

Jeonghwan Park
0000-0002-6524-3383
South Korea

Christopher Lyon Brown
0000-0002-4578-3593
South Korea

Publication Date

June 1, 2020

Submission Date

March 24, 2020

Acceptance Date

May 13, 2020

Published in Issue

Year 1970 Volume: 3 Number: 3

APA
Holeh, G. M., Appenteng, P., Opıyo, M. A., Park, J., & Brown, C. L. (2020). Effects of intermittent feeding regimes on growth performance and economic benefits of Amur catfish (Silurus asotus). Aquatic Research, 3(3), 167-176. https://doi.org/10.3153/AR20015

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