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Setijaningsih, Lies
Research Center for Biology-Indonesian Institute of Sciences
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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PEMANFAATAN LIMBAH BUDIDAYA IKAN LELE (Clarias batrachus) UNTUK IKAN NILA (Oreochromis niloticus) DENGAN SISTEM RESIRKULASI [Utilization of Catfish (Clarias batrachus) Waste By Tilapia (Oreochromis niloticus) in Recirculation System] Setijaningsih, Lies; Suryaningrum, L.H.
BERITA BIOLOGI Vol 14, No 3 (2015)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (688.605 KB) | DOI: 10.14203/beritabiologi.v14i3.1836

Abstract

 The effluent generated from aquaculture can be exploited through the application of aquaponics technology. The aim of this research was to evaluate the utilization of catfish culture waste by tilapia based on closed recirculation. Catfish and tilapia were used as fish test while water spinach was used as a biofiltration. Dissolved of nitrogen and phosphorus that obtained from catfish culture would be utilized by water spinach. Completedly Randomize Design with consisted of three treatments and three replicates were performed. The different stocked density on catfish culture were used as a treatment i.e. 500 individuals per pond (P1); 1000 individuals per pond (P2); and 1500 individuals per pond (P3). Different stocking density was also applied to tilapia culture as a treatment namely 50 individuals per m2 (Q1); 100 individuals per m2 (Q2); and 150 individuals per m2 (Q3). Result showed that catfish culture with stocking density of 1500 individuals per pond (P3) was better than (P1) and (P2) in terms of absolute weight growth, specific growth rate, and survival (P<0.05). Absolute weight growth, specific growth rate, and survival of tilapia cultured at Q2 (stocking density of 100 individuals per m2) and Q3 (stocking density of 150 per m2) were better than Q1 (stocking density of 50 individuals per m2) (P<0.05).
PENGARUH LAMA RETENSI AIR TERHADAP PERTUMBUHAN IKAN NILA (Oreochromis Niloticus) PADA BUDIDAYA SISTEM AKUAPONIK DENGAN TANAMAN KANGKUNG [Effect of Water Retention On The Growth Rate of Nile Tilapia (Oreochromis niloticus) In The Aquaponic System Planted Water Spinach (Ipomoea reptans)] Setijaningsih, Lies; Umar, Chairulwan
BERITA BIOLOGI Vol 14, No 3 (2015)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (686.16 KB) | DOI: 10.14203/beritabiologi.v14i3.2085

Abstract

 In principle, fish culture with aquaponics system save land utilization and can improve the efficiency of nutrient utilization of unconsumed feed and fish metabolism waste. Therefore, this system is recognized as environmentally friendly fish farming. The research aimed to find the optimum water retention for the maximum growth of tilapia raised in the aquaponics system. This experiment consisted of three treatments of different water retention, i.e. 30, 60, and 120 minutes and one flow- through recirculation system. Results showed that the highest individual weight gain of 39.92 g and individual daily growth rate of 0.54 g /day were reached in the treatment of 120 minutes water retention for 40 days growing period. Meanwhile, the lowest individual weight were observed in the treatment of 30 minutes water retention and control treatment, i.e. 25.25 ± 1.22 g and 18.52 ± 1.07 g, respectively. Aquaponic fish farming system with water retention of 120 minutes could reduced 10.69% of N- Total and 38.10% of P- Total, while survival rate was not influenced by water retention treatment
PERTUMBUHAN BENIH IKAN PATIN JAMBAL (Pangasius djambal) YANG DIBERIPAKAN DENGAN KADAR PROTEIN BERBEDA [The Growth of Pangasius djambal Fingerlings Fed with Different Dietary Protein Levels] Suhenda, Ningrum; Setijaningsih, Lies; Suryanti, Yanti
BERITA BIOLOGI Vol 7, No 4 (2005)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (349.714 KB) | DOI: 10.14203/beritabiologi.v7i4.1048

Abstract

The experiment was conducted to evaluate the growth of Pangasius djambal which were fed with different dietary protein levels.Fifteen fingerlings averaging 6.13 g individual body weight were stocked in each of 9 fibreglass tanks filled with 30 liters of water.They were fed daily for 42 days with diets containing 30%, 35% and 40 % protein. The feed was given in crumbled form at 7% of total biomass,4 times a day and contains 2600 k.cal.DE/kg feed.The result showed that feeds with different protein content gave qudratic respon curve. Maximum values for protein retention (36.65%) were obtained with feed containing 34.14 % protein.The feed with 35% protein content gave the lowest (78.12%) lipid retention. Feed conversion ratio (1.31-1.36), daily growth rate(3.64-3.82%) and protein efficiency ratio (2.05 - 2.29) were not different among treatments.The survival rates 100% were the same for all treatments.It is suggested that feed with protein content 35% and 2600 K. cal DE/ kg feed can be used in intensive culture of Pangasius djambal fingerlings to attain the best growth and suvival rate.
Co-Authors Chairulwan Umar Ningrum Suhenda Suryaningrum, L.H. Yanti Suryanti, Yanti