Aspek Reproduksi Ikan Tetet, Johnius belangerii Cuvier (Pisces: Sciaenidae) Di Perairan Pantai Mayangan, Jawa Barat

https://doi.org/10.22146/jfs.31

Mohammad Fadjar Rahardjo(1*), Charles Parningotan Haratua Simanjuntak(2)

(1) Departemen Manajemen Sumberdaya Perairan, Fakultas Perikanan dan Ilmu Kelautan IPB
(2) Departemen Manajemen Sumberdaya Perairan, Fakultas Perikanan dan Ilmu Kelautan IPB
(*) Corresponding Author

Abstract


The objective of the experiment was to know the effect of vitamin C on gonadal development of giant freshwater prawn (Macrobrachium rosenbergii) broodstock. Female broodstock of 30-60 g and male broodstock of 40-70 g average body weight were used in this experiment. The broodstock were fed with different dose of vitamin C in feed as 0; 0.05; 0.10; and 0.15% at 3-4% of biomass weight per day for 3 months. Gonado Somatic Index (GSI) value obtained from the diet with 0.15% of vitamin C was significantly different from others (P0.05). The supplementation of vitamin C in the diet of giant freshwater prawn broodstock is important for gonadal development.

Keywords


Belanger’s croaker, fecundity, maturity indeks, mayangan, spawn activity

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DOI: https://doi.org/10.22146/jfs.31

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