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Estu Nugroho
Research Institute for Freshwater Aquaculture, Bogor
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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THE EFFECT OF DIFFERENT QUALITY PELLETED FEEDS ON THE GROWTH OF GREEN CATFISH (Hemibagrus nemurus) IN FLOATING NET CAGE Ningrum Suhenda; Reza Samsudin; Estu Nugroho; Anang Hari Kristanto
Indonesian Aquaculture Journal Vol 5, No 2 (2010): (December 2010)
Publisher : Center for Fisheries Research, Agency for Marine and Fisheries Research and Human Resource

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (83.247 KB) | DOI: 10.15578/iaj.5.2.2010.133-137

Abstract

The study was conducted to evaluate the different protein content of fish feed on the growth performance of green catfish (Hemibagrus nemurus). Two thousand fingerlings averaging 3.92±0.32 g of individual body weight were stocked in each floating net cage (3 m x 3 m x 3 m) in Musi River, South Sumatra. They were fed daily for four months with feed protein content of 27% and 31%. The feed was given in pelleted form at 4%-8% of the total body weight. The result showed that the feed with 31% protein content gave better performance and significant different (P<0.05) than 27% protein feed. The feed content 31% protein was optimum for green catfish fingerlings and gave higher average individual weight gain (80.48 g), specific growth rate (2.67%), fat retention (29.48%) and better feed conversion ratio (2.28). Survival rates were the same for 2 treatments and ranged between 94.17%-95.18%.
EVALUATION OF GENETIC VARIABILITY OF FRESHWATER PRAWN COLLECTED FROM MAKASSAR-SULAWESI, PANGKALANBUNKALIMANTAN, JAMBI-SUMATRA, SUKABUMI-JAVA, AND GIMacro USING mtDNA CO-I MARKERS Estu Nugroho; Mulyasari Mulyasari; Anang Hari Kristanto; Fauzan Ali; Gunawan Gunawan
Indonesian Aquaculture Journal Vol 3, No 1 (2008): (June 2008)
Publisher : Center for Fisheries Research, Agency for Marine and Fisheries Research and Human Resource

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (147.847 KB) | DOI: 10.15578/iaj.3.1.2008.23-28

Abstract

The objective of this research is to evaluate the genetic variability of freshwater prawn, Macrobrachium rosenbergii. The genetic variability of freshwater prawn collected from Makassar-Sulawesi, Pangkalanbun-Kalimantan, Jambi-Sumatra, Sukabumi-Java, and GIMacro strain was examined using polymorphism of the mitochondria DNA (mtDNA) markers. Twelve composite haplotypes were detected following digestion of CO1 sequences with four endonucleases: Hae III, Rsa I, Mbo I, and Taq I. The average haplotype diversity was 0.217. Significant genetic difference was observed among freshwater prawn populations, especially among Makassar-Sulawesi population and others. Makassar-Sulawesi strain has future prospect for genetic resources in breeding program.
Co-Authors Anang Hari Kristanto Fauzan Ali Gunawan Gunawan Mulyasari Mulyasari Ningrum Suhenda Reza Samsudin