THE EFFECTS OF AN ARTIFICIAL COMMERCIAL FEED SUPPLEMENTATION  ON LARVAL REARING AND CRABLET PRODUCTION OF MUD CRAB Scylla tranquebarica

Gunarto, Gunarto; Syafaat, Muhammad Nur; Herlinah, Herlinah; Sulaeman, Sulaeman; Muliani, Muliani

doi:10.15578/iaj.13.1.2018.13-21

Cited by 8 publications

(8 citation statements)

References 8 publications

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“…The MOI value was calculated based on the occurrences of M per 100 individual Zoea-5 [14], [15]. In example when the number of M found in 100 larvae (Zoea-5) is seven, then the MOI value is 0.07 (7%).…”

Section: Experimental Design Materials and Methodsmentioning

confidence: 99%

Data on population density, growth, survival, water quality, larval stage index and ingestion rate of selected microalgae of portunids crabs at different feeding regimes

et al. 2019

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Population density, growth, survival, water quality and larval stage index of purple mud crab, Scylla tranquebarica at different feeding regimes and the data on ingestion rate of chosen microalgae, survival and larval development of blue swimming crab, Portunus pelagicus are presented. A twenty days of S. tranquebarica larval culture from zoeal 1 until megalopa stage under two different feeding regimes of A) Rotifer, Artemia nauplii and shrimp meat and B) Rotifer, Artemia nauplii and artificial feed is shared. A method on investigation of individual larvae of P. pelagicus capability to catch four different types of microalgae within 24 h is also shared. Direct eye observation, data collected through the larval rearing culture of S. tranquebarica and further statistical analysis were done daily until the crabs reached the megalopa stage. The result obtained from the optimum density of selected microalgae fed by individual larvae of P. pelagicus will be combined with the highest survival rate and larval stage index to develop feeding schedule for crab larvae P. pelagicus. This dataset has not previously been published and is of great potential for further comparison with other – and future investigation of various feeding regimes affected the crab culture. The collected information could be used as a standard feeding regime for nursery and hatchery seed production of others portunids crabs. The data described in this article are available as a supplementary file to this article.

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Section: Experimental Design Materials and Methodsmentioning

confidence: 99%

Data on population density, growth, survival, water quality, larval stage index and ingestion rate of selected microalgae of portunids crabs at different feeding regimes

et al. 2019

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“…The rearing of megalopa on Acetes alone or combined with minced shrimp meat, locally formulated feed or commercial feed showed a better survival than treatments fed with minced shrimp meat, locally formulated feed or commercial feed alone [44]. It is recommended to start artificial feed supplementation at the M stage as the diet modulation of the gut evacuation time (GET) is expected to begin at this stage [50] while the digestive enzyme activity of mud crab larvae tends to increase with the increasing larval stage [51,52].…”

Section: Feeding Strategiesmentioning

confidence: 99%

“…Nonetheless, the nutritional profile of the live prey does not always meet the dietary requirement of the mud crab megalopae. A low content of both EPA and DHA in Artemia compromised the vitality of larvae [52,56,57]. An unsuitable lipid profile for marine crustaceans found in rotifer and Artemia nauplii could affect both the larval development and the survival of mud crab larvae [43].…”

Section: Feeding Strategiesmentioning

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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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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“…The rearing of megalopa on Acetes alone, or combined with minced shrimp meat, locally formulated feed, or commercial feed, showed better survival than treatments fed with minced shrimp meat, locally formulated feed, or commercial feed alone [45]. It is recommended to start artificial feed supplementation at the M stage, as diet modulation of gut evacuation time (GET) is expected to begin at this stage [51], while digestive enzyme activity of mud crab larvae tends to increase with increasing larval stage [52,53].…”

Section: Feeding Strategiesmentioning

confidence: 99%

“…The low content of both EPA and DHA in rotifers and Artemia could affect the vitality of larvae [53,57,58]. Inappropriate lipid profile for marine crustaceans, found in rotifer and Artemia nauplii, could affect both larval development and survival of mud crab larvae [44].…”

Section: Feeding Strategiesmentioning

confidence: 99%

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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THE EFFECTS OF AN ARTIFICIAL COMMERCIAL FEED SUPPLEMENTATION ON LARVAL REARING AND CRABLET PRODUCTION OF MUD CRAB Scylla tranquebarica

Cited by 8 publications

References 8 publications

Data on population density, growth, survival, water quality, larval stage index and ingestion rate of selected microalgae of portunids crabs at different feeding regimes

Data on population density, growth, survival, water quality, larval stage index and ingestion rate of selected microalgae of portunids crabs at different feeding regimes

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

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