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| one publication added to basket [210646] |
Biochemical composition of pond-reared and lake-stocked Chinese mitten crab Eriocheir sinensis (H. Milne-Edwards) broodstock
Wu, X.G.; Cheng, Y.X.; Sui, L.Y.; Yang, X.Z.; Nan, T.Z.; Wang, J.Q. (2007). Biochemical composition of pond-reared and lake-stocked Chinese mitten crab Eriocheir sinensis (H. Milne-Edwards) broodstock. Aquac. Res. 38(14): 1459-1467. dx.doi.org/10.1111/j.1365-2109.2007.01728.x
In: Aquaculture Research. Blackwell: Oxford. ISSN 1355-557X; e-ISSN 1365-2109
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| Trefwoord |
Eriocheir sinensis H. Milne Edwards, 1853 [WoRMS]
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| Author keywords |
Eriocheir sinensis; proximate; fatty acid composition; pond-reared and lake-stocked broodstock |
| Auteurs | | Top |
- Wu, X.G.
- Cheng, Y.X.
- Sui, L.Y.
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- Yang, X.Z.
- Nan, T.Z.
- Wang, J.Q.
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| Abstract |
The morphological characteristics, tissue indices, proximate and fatty acid compositions of hepatopancreas, gonad and muscle of pond-reared (PR) and lake-stocked (LS) Eriocheir sinensis broodstock were compared. Lake-stocked crabs are characterized by a blue carapace, white abdomen, golden legs and yellow setae while PR crabs have a brown carapace, grey abdomen, black legs and similar yellow setae. The carapace length and width of PR crabs were significantly less than those of LS crabs of the same wet weight (WW). The results showed that the hepatosomatic index (HSI) of PR males was significantly higher, but the gonadosomatic index (GSI) was significantly lower for PR females when compared with LS individuals of the same sex. Regardless of their origin, the muscular index (MI) of males was higher than that of females. The hepatopancreas of LS crabs had higher protein levels and lower lipid levels compared with PR crabs. The results of proximate analysis of male gonads from two different sources were similar, while the protein level in the ovary of LS females was higher than that of PR females. The tissues of males had higher water content but lower lipid and protein levels compared with females regardless of their source. The LS crabs had higher highly unsaturated fatty acid (HUFA) levels than PR crabs in their gonad and hepatopancreas. In conclusion, our results suggest that the nutritional quality of LS crabs is better than that of PR crabs, the nutritional quality of males is poorer than that of females. The reproductive performance and larval quality of crabs from these two rearing systems should be further verified. |
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