Mud crab, Scylla tranquebarica (Fabricius, 1798), crablet grow‐out in lined ponds with different stocking densities to support soft‐shell crab production

Abstract Crab stocking densities in brackish water ponds can influence crab growth rate, survival, and production volume. This study aimed to determine the optimum grow‐out stocking density for Scylla tranquebarica crablets reared in lined ponds to supply the soft‐shell crab industry. Three stocking...

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Main Authors: Gunarto Gunarto, Herlinah Herlinah, Muliani Muliani, Nurbaya Nurbaya, Rosmiati Rosmiati, Emma Suryati, Sulaeman Sulaeman, Samuel Lante, Andi Parenrengi, Muhammad Nur Syafaat, Early Septiningsih, Idayanti Nursyamsi
Format: Article
Language:English
Published: Wiley 2025-02-01
Series:Journal of the World Aquaculture Society
Subjects:
Online Access:https://doi.org/10.1111/jwas.13112
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author Gunarto Gunarto
Herlinah Herlinah
Muliani Muliani
Nurbaya Nurbaya
Rosmiati Rosmiati
Emma Suryati
Sulaeman Sulaeman
Samuel Lante
Andi Parenrengi
Muhammad Nur Syafaat
Early Septiningsih
Idayanti Nursyamsi
author_facet Gunarto Gunarto
Herlinah Herlinah
Muliani Muliani
Nurbaya Nurbaya
Rosmiati Rosmiati
Emma Suryati
Sulaeman Sulaeman
Samuel Lante
Andi Parenrengi
Muhammad Nur Syafaat
Early Septiningsih
Idayanti Nursyamsi
author_sort Gunarto Gunarto
collection DOAJ
description Abstract Crab stocking densities in brackish water ponds can influence crab growth rate, survival, and production volume. This study aimed to determine the optimum grow‐out stocking density for Scylla tranquebarica crablets reared in lined ponds to supply the soft‐shell crab industry. Three stocking density treatments (1, 4, and 8 ind./m2) were applied to crablets reared in lined ponds for 90 days. The crablets were fed low‐value fish (Leiognathus equula) at an initial rate of 100% of total body weight for two weeks, reduced to 3% toward the end of the study. Crablets stocked at 1 and 4 ind./m2 had a significantly (p < 0.05) higher net growth (NG) and daily growth rate (DGR) than crablets stocked at 8 ind./m2. Deformed crabs were also most common at the highest stocking density. The intermediate stocking rate achieved moderate survival and feed conversion rates, with the highest crab production volume (19.65 ± 0.10 kg/100 m2) and net income (6845.60 US$/Ha/2 crops/year). Based on these findings, a stocking rate of around 4 ind./m2 is recommended for the grow‐out of S. tranquebarica crablets in lined ponds.
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spelling doaj-art-c0f3aaa402ed40ef8e9b3499782cf85b2025-08-20T02:04:13ZengWileyJournal of the World Aquaculture Society0893-88491749-73452025-02-01561n/an/a10.1111/jwas.13112Mud crab, Scylla tranquebarica (Fabricius, 1798), crablet grow‐out in lined ponds with different stocking densities to support soft‐shell crab productionGunarto Gunarto0Herlinah Herlinah1Muliani Muliani2Nurbaya Nurbaya3Rosmiati Rosmiati4Emma Suryati5Sulaeman Sulaeman6Samuel Lante7Andi Parenrengi8Muhammad Nur Syafaat9Early Septiningsih10Idayanti Nursyamsi11Research Center for Fishery National Research and Innovation Agency Bogor IndonesiaResearch Center for Fishery National Research and Innovation Agency Bogor IndonesiaResearch Center for Fishery National Research and Innovation Agency Bogor IndonesiaResearch Center for Fishery National Research and Innovation Agency Bogor IndonesiaResearch Center for Fishery National Research and Innovation Agency Bogor IndonesiaResearch Center for Fishery National Research and Innovation Agency Bogor IndonesiaResearch Center for Fishery National Research and Innovation Agency Bogor IndonesiaResearch Center for Fishery National Research and Innovation Agency Bogor IndonesiaResearch Center for Fishery National Research and Innovation Agency Bogor IndonesiaResearch Center for Marine and Land Bioindustry National Research and Innovation Agency Jakarta Pusat IndonesiaResearch Center for Conservation of Marine and Inland Water Resources National Research and Innovation Agency Bogor IndonesiaFaculty of Economics and Business Hasanuddin University Makassar IndonesiaAbstract Crab stocking densities in brackish water ponds can influence crab growth rate, survival, and production volume. This study aimed to determine the optimum grow‐out stocking density for Scylla tranquebarica crablets reared in lined ponds to supply the soft‐shell crab industry. Three stocking density treatments (1, 4, and 8 ind./m2) were applied to crablets reared in lined ponds for 90 days. The crablets were fed low‐value fish (Leiognathus equula) at an initial rate of 100% of total body weight for two weeks, reduced to 3% toward the end of the study. Crablets stocked at 1 and 4 ind./m2 had a significantly (p < 0.05) higher net growth (NG) and daily growth rate (DGR) than crablets stocked at 8 ind./m2. Deformed crabs were also most common at the highest stocking density. The intermediate stocking rate achieved moderate survival and feed conversion rates, with the highest crab production volume (19.65 ± 0.10 kg/100 m2) and net income (6845.60 US$/Ha/2 crops/year). Based on these findings, a stocking rate of around 4 ind./m2 is recommended for the grow‐out of S. tranquebarica crablets in lined ponds.https://doi.org/10.1111/jwas.13112crab productioncrabletfeed conversion ratiogrowthstocking density
spellingShingle Gunarto Gunarto
Herlinah Herlinah
Muliani Muliani
Nurbaya Nurbaya
Rosmiati Rosmiati
Emma Suryati
Sulaeman Sulaeman
Samuel Lante
Andi Parenrengi
Muhammad Nur Syafaat
Early Septiningsih
Idayanti Nursyamsi
Mud crab, Scylla tranquebarica (Fabricius, 1798), crablet grow‐out in lined ponds with different stocking densities to support soft‐shell crab production
Journal of the World Aquaculture Society
crab production
crablet
feed conversion ratio
growth
stocking density
title Mud crab, Scylla tranquebarica (Fabricius, 1798), crablet grow‐out in lined ponds with different stocking densities to support soft‐shell crab production
title_full Mud crab, Scylla tranquebarica (Fabricius, 1798), crablet grow‐out in lined ponds with different stocking densities to support soft‐shell crab production
title_fullStr Mud crab, Scylla tranquebarica (Fabricius, 1798), crablet grow‐out in lined ponds with different stocking densities to support soft‐shell crab production
title_full_unstemmed Mud crab, Scylla tranquebarica (Fabricius, 1798), crablet grow‐out in lined ponds with different stocking densities to support soft‐shell crab production
title_short Mud crab, Scylla tranquebarica (Fabricius, 1798), crablet grow‐out in lined ponds with different stocking densities to support soft‐shell crab production
title_sort mud crab scylla tranquebarica fabricius 1798 crablet grow out in lined ponds with different stocking densities to support soft shell crab production
topic crab production
crablet
feed conversion ratio
growth
stocking density
url https://doi.org/10.1111/jwas.13112
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