Pendayagunaan Kalsium Media Perairan dalam Proses Ganti Kulit dan Konsekuensinya Bagi Pertumbuhan Udang Galah (Macrobrachium Rosenbergii De Man)

Azam B. Zaidy • Ridwan Affandi • Bambang Kiranadi • Kardiyo Praptokardiyo • Wasmen Manalu
Journal article Jurnal Ilmu-Ilmu Perairan dan Perikanan Indonesia • December 2008

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(Bahasa Indonesia, 9 pages)


The objectives of these present research was to study the addition of calcium in the media in order to increase the calcium content in the skin and its consequence on the growth of the giant fresh water prawn. Five treatments of different Ca(OH)2 (0, 15, 30, 45, and 60 mg/L), concentration were prepared of which each treatment consisted of three replications. The parameters measured were the concentration calcium of exoskeleton, post molting period, daily feed consumption, total feed consumption, growth rate, and feed efficiency. The addition of 15-60 mg/L has increased the concentration of the media (25.51-35.22 mg/L) compared to the control (18.53 mg/L). Duration of postmolting of the giant freshwater prawns supplemented with 0.15, 30, 45, and 60 mg/L were 17, 15, 12, 13 and 15 days, respectively. The average of daily feed consumptions was found to be higher in the group with the input of Ca(OH)2 of 15 and maximum at 45 mg/L. The growth rate in the prawn suplemented with Ca(OH)2 of 0, 15, 30, 45, and 60 mg/L were 0.006, 0.010, 0.010, 0.12, and 0.009 The feed efficiency in the prawn supplemented with 0, 15, 30, 45, and 60 mg/L were 27.00, 40.45, 30.30, 28.20, and 26.90%. The results of this experiment recomonded that supplementation of 30 mg/L Ca(OH)2 in the aquatic media improved growth rate and feed efficiency of freshwater giant prawn.




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