First assessment of the potential for coculture of sandfish (Holothuria scabra) with Babylon snail (Babylonia areolata) in Vietnam

Gregory T Dobson; Nguyen D Q Duy; Paul C Southgate

doi:10.1111/jwas.12676

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First assessment of the potential for coculture of sandfish (Holothuria scabra) with Babylon snail (Babylonia areolata) in Vietnam

Journal article

Peer reviewed

First assessment of the potential for coculture of sandfish (Holothuria scabra) with Babylon snail (Babylonia areolata) in Vietnam

Gregory T Dobson, Nguyen D Q Duy and Paul C Southgate

Journal of the World Aquaculture Society, Vol.51(2), pp.527-541

2020

DOI: https://doi.org/10.1111/jwas.12676

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Abstract

Babylonia areolata

coculture

grow-out

Holothuria scabra

integrated aquaculture

sandfish

The potential for the coculture of sandfish, Holothuria scabra and Babylon snail, Babylonia areolata was investigated. Sandfish (weight 1.87±0.41 g) were cultured at low (25 ind/m2; 46.75 g/m2), medium (50 ind/m2; 93.5 g/m2), and high (100 ind/m2; 187 g/m2) densities in monoculture and in coculture with Babylonia at a density of 400 ind/m2 (208 g/m2). In monoculture, sandfish were provided with 1 g m-2 day-1 commercial prawn starter feed. In coculture, trash fish provided for Babylonia (5% total wet weight per day) was the only food input. Sandfish survival over the 84-day experiment period was reduced in coculture treatments (77.60 vs. 97.22%) but was in line with expected survival rates (80-90%) of commercial sandfish culture. Mean sandfish weight gain and absolute growth rate were around 37% greater in coculture (mean weight gain 13.42±2.90 g vs. 9.77±2.54 g over 84 days). No differences in Babylonia growth rate or survival were evident between sandfish density treatments. Sediment organic matter content did not differ significantly between monoculture (0.43±0.03%) and coculture (0.55±0.06%) treatments, but the latter had elevated concentrations of ammonia. Results provide a basis for further development of land-based pond coculture systems for sandfish and Babylonia.

Details

Title: First assessment of the potential for coculture of sandfish (Holothuria scabra) with Babylon snail (Babylonia areolata) in Vietnam
Authors: Gregory T Dobson (Corresponding Author) - University of the Sunshine Coast - School of Science & Engineering
Nguyen D Q Duy (Author)
Paul C Southgate (Author) - University of the Sunshine Coast - School of Science & Engineering
Publication details: Journal of the World Aquaculture Society, Vol.51(2), pp.527-541
Publisher: Wiley-Blackwell Publishing Inc.
Date published: 2020
DOI: 10.1111/jwas.12676
ISSN: 0893-8849
Organisation Unit: School of Science and Engineering - Legacy; Australian Centre for Pacific Islands Research; University of the Sunshine Coast, Queensland; School of Science, Technology and Engineering; External
Language: English
Record Identifier: 99450960002621
Output Type: Journal article

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Web Of Science research areas: Fisheries

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