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Pond culture of mud crab Scylla serrata (Forskal) fed formulated diet with or without vitamin and mineral supplements

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www.asianfisheriessociety.org
Date
2001
Author
Triño, Avelino T.
Millamena, Oseni M.
Keenan, C. P.
Page views
4,297
Subject
artificial feeding ASFA
crab culture ASFA
diet ASFA
economic feasibility ASFA
feeding experiments ASFA
growth ASFA
pond culture ASFA
survival ASFA
Scylla serrata AGROVOC
Taxonomic term
Scylla serrata GBIF
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Abstract
The effects of three diets (Diet 1 – with vitamin and mineral supplements, Diet 2 – without vitamin and mineral supplements, and Diet 3 – fish bycatch) and monosex culture (male or female) on the growth, survival, feed conversion ratio (FCR), and production of mud crab Scylla serrata were investigated using a 2 x 3 factorial experiment with three replicates per treatment. Juvenile mud crabs were stocked at 1.0·m-2 in 150 m2 ponds and reared for 156 days. Results showed no significant interaction between monosex culture and diets (P > 0.05) so that data were pooled by sex and dietary treatment. Mean final body weight of male crabs (427 g) was significantly higher (P < 0.05) than female crabs (400 g). However, crab carapace length (CL) and width (CW), specific growth rate (SGR), FCR, survival, and production were not significantly different (P > 0.05) between the two sexes. Regardless of sex, crabs fed fish bycatch (Diet 3) gave significantly higher (P < 0.05) mean body weight (435 g) than those fed Diet 2 (395 g). Mean final body weight (410 g) of crabs fed Diet 1 was not significantly different from those fed Diets 2 or 3. The CL and CW, SGR, FCR, survival, and production of mud crabs fed the three diets, however, were not significantly different (P > 0.05). The economic viability of using a diet without vitamin and mineral supplements was comparable to that of a complete diet having about the same cost of production and return on investment of 74 to 75%. The study shows that cost-effective formulated diet could be used as alternative feed for fish bycatch thus saving on feed and storage costs.
URI
http://hdl.handle.net/10862/1914
Suggested Citation
Triño, A. T., Millamena, O. M., & Keenan, C. P. (2001). Pond culture of mud crab Scylla serrata (Forskal) fed formulated diet with or without vitamin and mineral supplements. Asian Fisheries Science, 14(2), 191-200. http://hdl.handle.net/10862/1914
Type
Article
ISSN
0116-6514
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  • Journal Articles [1162]

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