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All Journal BERITA BIOLOGI
Lies Setijaningsih
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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BUDIDAYA UDANG GALAH (Macrobrachium rosenbergii (de Man, 1879)) SISTEM AKUAPONIK BERBASIS POLIKULTUR DENGAN IKAN TAMBAKAN (Helostoma temminckii Cuvier, 1829) Lies Setijaningsih; Bambang Gunadi; Eddy Supriyono
BERITA BIOLOGI Vol 18, No 2 (2019)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v18i2.3002

Abstract

This experiment aimed to find out the optimum density combinations of prawn (M. rossenbergii (de Man, 1879) and fish of kissing gouramy (Helostoma temminckii Cuvier, 1829) in the polyculture based aquaponic fish culture system. There are four treatments and three replications applied in the Completely Randomized Design experiment. The treatments were the combination of giant freshwater prawn (U) and kissing gouramy (T) densities for one square meter (m2), namely (A) 30 prawns and 100 gouramy (U30T100); (B) 20 prawns and 50 gouramy (U20T50); (C) 30 prawns and 50 gouramy (U30T50) and (D) 20 prawns and 100 gouramy (U20T100). An equal density of aquatic plant of water spinach Ipomoea reptans Poir was planted in each treatment units. The results from 60 days experiment showed that the highest growth of prawn were achieved in treatment C i.e 9,355 ± 1,096 g and survival rates of 75.02±0.67%. The highest growth of kissing gouramy were achieved at treatment D i.e 13,688 ± 1,382 g and survival rates of 86.66±0.83%. The water spinach was able to reduce ammonia, nitrite and nitrate. The lowest reduction was achieved at treatment A, i.e., amonia 6.54 %, nitrite 1,33% and nitrate 5,90%. While the highest reduction of ammonia is 11.72% found at treatment D, 3,52% for nitrite at treatment C and 11,72% for nitrate at treatment D. The highest reduction of Total N dan Total P by water spinach were found at the treatment C i.e. 32.54% and D i.e. 47.62%. According to the dominance and abundance index of plankton, Chlorophyceae and Cyanophyceae were recognized as the dominant class in all treatments.
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] Ningrum Suhenda; Lies Setijaningsih; Yanti Suryanti
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 | 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 Bambang Gunadi Eddy Supriyono Ningrum Suhenda Yanti Suryanti