Fillet quality of Asian seabass lates calcarifer (Bloch 1790) grown in monoculture and co-culture systems in freshwater earthen-ponds

Panritdam Thanya, . and Pechsiri Jamjun, . and Chainapong Thaweedet, . and Yooyen Thanapon, . Fillet quality of Asian seabass lates calcarifer (Bloch 1790) grown in monoculture and co-culture systems in freshwater earthen-ponds. pp. 23-30. ISSN 0116-6514

The effects of monoculture and co-culture systems on Asian seabass Lates calcarifer (Bloch 1790) fillet composition fatty acid profile and chemical taste taint were investigated. The monoculture (T1) and co-culture (T2 and T3) systems with Nile tilapia Oreochromis niloticus (Linnaeus 1758) were carried out in 30 m freshwater earthen ponds for 6 months. Fish in T1 and T3 system were fed daily and in T2 system was fed every other day. Fish from the co-culture system with Asian seabass and Nile tilapia (T2) had significantly higher protein level (80.8 ) eicosapentaenoic acid (EPA; 1 mg.g-) and significantly lower fat content (5.2 ) than the other treatments. In terms of chemical taste taint T2 had significantly lower 2-methyl-isoborneol (0.0120 g.kg-) than T1 as well as an absence of geosmin in T2. Meanwhile Asian seabass from the monoculture system (T1) had significantly higher total fatty acid content (103.82 mg.g-) than T2 and T3. Thus using co-culture system in freshwater earthen ponds with a feeding interval of 2 days results in an improved fillet quality of Asian seabass.

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Abstract

The effects of monoculture and co-culture systems on Asian seabass Lates calcarifer (Bloch 1790) fillet composition fatty acid profile and chemical taste taint were investigated. The monoculture (T1) and co-culture (T2 and T3) systems with Nile tilapia Oreochromis niloticus (Linnaeus 1758) were carried out in 30 m freshwater earthen ponds for 6 months. Fish in T1 and T3 system were fed daily and in T2 system was fed every other day. Fish from the co-culture system with Asian seabass and Nile tilapia (T2) had significantly higher protein level (80.8 ) eicosapentaenoic acid (EPA; 1 mg.g-) and significantly lower fat content (5.2 ) than the other treatments. In terms of chemical taste taint T2 had significantly lower 2-methyl-isoborneol (0.0120 g.kg-) than T1 as well as an absence of geosmin in T2. Meanwhile Asian seabass from the monoculture system (T1) had significantly higher total fatty acid content (103.82 mg.g-) than T2 and T3. Thus using co-culture system in freshwater earthen ponds with a feeding interval of 2 days results in an improved fillet quality of Asian seabass.

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Item Type:	Article
AGROVOC Term:	Sea bass
AGROVOC Term:	Lates calcarifer
AGROVOC Term:	Aquaculture
AGROVOC Term:	Fish culture
AGROVOC Term:	Monoculture
AGROVOC Term:	Fish ponds
AGROVOC Term:	Fillets
AGROVOC Term:	Proximate composition
AGROVOC Term:	Fatty acids
AGROVOC Term:	Nutritional value
Depositing User:	Mr. AFANDI ABDUL MALEK
Last Modified:	24 Apr 2025 00:54
URI:	http://webagris.upm.edu.my/id/eprint/8944

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