Effects of different feeding regimes on larvae and crablets of purple mud crab, Scylla tranquebarica (Fabricius, 1798)

Syafaat, Muhammad Nur; Gunarto,; Sulaeman, Sulaeman; Herlinah, Herlinah; Ma, Hongyu; Ikhwanuddin, Mhd

doi:10.1016/j.aqrep.2019.100231

Cited by 21 publications

(22 citation statements)

References 19 publications

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“…Studies related to nutritional, environmental and behavioural aspects at this phase are needed to optimise the seed production from hatcheries. Aside from M to the crablet phase, the extended nursery stage (started from a certain crablet phase to a larger crablet phase) of mud crabs is done to produce a larger size of young crabs [28,30,31]. Generally, a mud crab nursery lasts for 2-4 weeks [3,22,[27][28][29].…”

Section: Mud Crab Nurserymentioning

confidence: 99%

“…The maintenance of mud crab larvae in the hatchery has three stages: the Zoea 1 (Z1) to Zoea 5 (Z5) larvae, Z5 to Megalopa (M) and the maintenance of M to the crablet phase [19] (Figure 1). The hatchery production process of mud crab crablet takes about 30 days (starting from Z1 to Crablet 2-3 (C2-C3)) [20]. Unlike Portunus pelagicus, where a high survival has been observed when stocking into ponds at the megalopae phase, the critical transition step of M to Crablet 1 (C1) in mud crabs has produced inconsistent and unreliable results, with high mortality often reported during the metamorphosis from M to the C1 stage [21,22].…”

Section: Introductionmentioning

confidence: 99%

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A Review of the Nursery Culture of Mud Crabs, Genus Scylla: Current Progress and Future Directions

Syafaat

Azra

Waiho

et al. 2021

Animals

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The nursery stages of mud crab, genus Scylla, proceed from the megalopa stage to crablet instar stages. We review the definition and several of the key stages in mud crab nursery activities. The practice of the direct stocking of megalopa into ponds is not recommended due to their sensitivity. Instead, nursery rearing is needed to grow-out mud crabs of a larger size before pond stocking. Individual nursery rearing results in a higher survival rate at the expense of growth and a more complicated maintenance process compared with communal rearing. The nursery of mud crabs can be done both indoors or outdoors with adequate shelter and feed required to obtain a good survival percentage and growth performance. Artemia nauplii are still irreplaceable as nursery feed, particularly at the megalopa stage, while the survival rate may be improved if live feed is combined with artificial feed such as microbound diet formulations. Water quality parameters, identical to those proposed in tiger shrimp cultures, can be implemented in mud crab rearing. The transportation of crablets between different locations can be done with or without water. The provision of monosex seeds from mud crab hatcheries is expected to become commonplace, increasing seed price and thus improving the income of farmers. Numerous aspects of a mud crab nursery including nutrition; feeding strategies; understanding their behaviour, i.e., cannibalism; control of environmental factors and practical rearing techniques still need further improvement.

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Section: Mud Crab Nurserymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A Review of the Nursery Culture of Mud Crabs, Genus Scylla: Current Progress and Future Directions

Syafaat

Azra

Waiho

et al. 2021

Animals

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“…As soon as M metamorphose to crab stage, they are fed with minced trash fish, green mussel, Acetes [39], fresh chopped shrimp or tilapia [29], brown mussel [59], frozen adult Artemia [26], or artificial feed [20,21].…”

Section: Feeding Strategiesmentioning

confidence: 99%

“…The use of artificial feed during mud crab larvae rearing may trigger the growth of Vibrio spp. on culture media [21]. Hence, the use of antibiotics (which are only allowed according to the rules of individual countries) to control the growth of Vibrio spp.…”

Section: Water Qualitymentioning

confidence: 99%

“…Maintenance of mud crab larvae in the hatchery has three stages, namely the Zoea 1 (Z1) to Zoea 5 (Z5) larvae, Z5 to Megalopa (M), and the maintenance of M to crablet phase [20]. The hatchery production process of mud crab crablet takes about 30 days (starting from Z1 to Crablet 2-3 (C2-C3)) [21]. The crablet production period for mud crabs is longer than that of blue swimming crab, Portunus pelagicus.…”

Section: Introductionmentioning

confidence: 99%

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Nursery Culture of Mud Crab, Genus Scylla, a Review: The Current Progress and Future Directions

Syafaat¹,

Azra²,

Waiho³

et al. 2021

Preprint

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This study attempted to explain the definition, objectives, and key stages in mud crab nursery activities. The nursery stages of Scylla spp was started from megalopa stage to several crablet instar stages or started from earlier crablet stage to several crablet stages. Direct stocking of megalopa into ponds is not recommended due to their sensitivity. Instead, nursery rearing is needed to produce mud crab of larger size before stocking. Individual nursery rearing results in higher survival rate (up to 100%), but with reduced growth rate, and a more complicated maintenance process compared with communal rearing. Nursery of mud crab can be done indoors, or outdoors, with adequate shelter and feed required to obtain good survival and growth performance. Artemia nauplii are the main, established nursery feed, particularly at megalopa stage, while survival rate may be improved if combined with artificial feed, such as micro bound diet formulations. Water quality parameters, identical to those proposed in tiger shrimp culture, can followed. Crablets may be transported to the pond location with, or without water. The provision of monosex seeds from mud crab hatcheries is expected to become more common, increasing seed price, and thus improving income of farmers. Numerous aspects of mud crab nursery, including nutrition, feeding strategies, understanding of their behaviour, i.e., cannibalism, control of environmental factors, and practical rearing techniques, still need further improvement.

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Effect of Water Temperature on Survival, Growth and Molting Cycle During Early Crablet Instar of Mud Crab, Scylla paramamosain (Estampador, 1950)

et al. 2020

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Effects of different feeding regimes on larvae and crablets of purple mud crab, Scylla tranquebarica (Fabricius, 1798)

Cited by 21 publications

References 19 publications

A Review of the Nursery Culture of Mud Crabs, Genus Scylla: Current Progress and Future Directions

A Review of the Nursery Culture of Mud Crabs, Genus Scylla: Current Progress and Future Directions

Nursery Culture of Mud Crab, Genus Scylla, a Review: The Current Progress and Future Directions

Effect of Water Temperature on Survival, Growth and Molting Cycle During Early Crablet Instar of Mud Crab, Scylla paramamosain (Estampador, 1950)

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