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Ovarian maturation and haemolymphatic vitellogenin concentration of Pacific white shrimp Litopenaeus vannamei (Boone) fed increasing levels of total dietary lipids and HUFA
Wouters, R.; Piguave, X.; Bastidas, L.; Calderón, J.; Sorgeloos, P. (2001). Ovarian maturation and haemolymphatic vitellogenin concentration of Pacific white shrimp Litopenaeus vannamei (Boone) fed increasing levels of total dietary lipids and HUFA. Aquac. Res. 32(7): 573-582. dx.doi.org/10.1046/j.1365-2109.2001.00580.x
In: Aquaculture Research. Blackwell: Oxford. ISSN 1355-557X; e-ISSN 1365-2109
Peer reviewed article  
Beschikbaar in  Auteurs 
Trefwoorden
    Biological development
    Composition > Biochemical composition
    Composition > Chemical composition > Feed composition
    Cultures > Shellfish culture > Crustacean culture > Shrimp culture
    Feeding experiments
    Nutritive value
    Properties > Biological properties > Sexual maturity
    Penaeus vannamei Boone, 1931 [WoRMS]
    Marien/Kust; Brak water
Author keywords
    shrimp; maturation; vitellogenin; lipids; HUFA
Auteurs  Top 
  • Wouters, R.
  • Piguave, X.
  • Bastidas, L.
  • Calderón, J.
  • Sorgeloos, P., meer
Abstract
    Two experiments were carried out to determine the quantitative lipid requirements for ovarian maturation of Litopenaeus vannamei (Boone) broodstock. The first experiment tested the effect of total dietary lipid (TDL) levels of 8.1%, 8.8%, 9.8% and 11.2% on the gonadosomatic index (GSI), hepatosomatic index (HSI), survival and body weight. The second experiment tested the effect of total dietary levels of highly unsaturated fatty acids (TDH) 0.6%, 1.3%, 2.0% and 2.7% on the same parameters mentioned above and on the haemolymphatic vitellogenin (vg) concentration. The GSI was higher in females fed 8.1% TDL as compared with those fed 8.8% TDL (P=0.05), and higher in females fed 8.1% and 8.8% TDL than in those fed 9.8% and 11.2% TDL. lncreasing TDH levels led to increasing levels of highly unsaturated fatty acids (HUFA) in the ovaries (r² = 0.999). However, the GSI was not affected by dietary treatments (P > 0.05). The vg concentration was higher in animals receiving 2.0% TDH as compared with those receiving 2.7% TDH. In conclusion, high TDL levels affected ovarian maturation in a negative way, why TDH levels had no pronounced effect on ovarian maturation within the range tested in this study.
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