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All Journal PENA AKUATIKA : JURNAL ILMIAH PERIKANAN DAN KELAUTAN Pena : Jurnal Ilmu Pengetahuan dan Teknologi JURNAL BAHARI PAPADAK Jurnal Pengabdian Masyarakat dan Riset Pendidikan
Muhammad Agus
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Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Medicine & Pharmacology Physics Social Sciences Other

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Journal : Pena : Jurnal Ilmu Pengetahuan dan Teknologi

 1 
PENGARUH PEMBERIAN PAKAN KEONG MAS TERHADAP PERTUMBUHAN DAN KELANGSUNGAN HIDUP KEPITING BAKAU SISTEM SINGLE ROOM Muhammad Agus; HADI Pranggono; Harun Murtadlo
Pena Jurnal Ilmu Pengetahuan Dan Teknologi Vol 21, No 1 (2011): Pena September 2011
Publisher : LPPM Universitas Pekalongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31941/jurnalpena.v21i1.54

Abstract

      AbstractThe  Maintenance  of mangrove crabs single  room system requires the  provision  of food  in quantity and good quality, cheap, on time and deliver high production value. One of the available food for  the  growth  of mangrove crabs in Central  Java is  the golden  apple  snail (Pomacea canaliculata), which has a protein content reached 51%. This study aims to determine the effect of feeding fresh golden apple snail with different doses on the growth and survival of mangrove crabs in  a single  room in  the pond system. The  study  consisted of five treatments fresh  golden apple  snail fresh feed at  a  dose  of 5.7,  9,  11 and  13%  / BW/day)  with  5 replications.  The experiment conducted at the beginning of mangrove crabs weigh between 80-100 g. Parameters measured include weight  gain during maintenance,  feed  efisiansi, survival and quality  of  the waters. The results showed, the highest weight gain observed in the treatment of 9% amounting to 92.2 g, while the lowest weight gain observed in the treatment of 5% amounting to 56.6 g. There was no difference in survival in each treatment feed, with the highest survival rate of 100%. The lowest feed  efficiency is  toun  the  treatment of  feed contained 13% of 41.61%.  During  the research, the parameters of qualities water in all treatments was within the range for the growth of mangrove crabs. Keywords: Scylla serrata, golden apple snail, growth, survival, feed efficiency
PENGARUH PERBEDAAN DOSIS PUPUK PHOSPAT TERHADAP PERTUMBUHAN PHYTOPLANKTON Sobirin .; Muhammad Agus; Basuki Rahardjo
Pena Jurnal Ilmu Pengetahuan Dan Teknologi Vol 25, No 1 (2013): Pena September 2013
Publisher : LPPM Universitas Pekalongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31941/jurnalpena.v25i1.95

Abstract

This study aims  to  determine the  effect  of  different doses  of phosphate fertilizer on  the  gowth  of phytoplankton.  The  research is  based  on a  completely  randomized  design with 6 treatments  and  3 replications. Treatments were applied as follows: A: 0 g / l, B: 0.25 g / l, C: 0.5 g / l, E: 1 g / l, F: 1.25 g / l. Data previously conducted analysis of variance test for normality and homogeneity of variance analysis test is then performed. While the data of water quality variables were analyzed descriptively. Results of any treatment is A:  Peak phytoplankton gowth occurred at 15.00  hours  to 3 days (168x104)cells, B: Peak phytoplankton gowth occurred at 15:00  hours today to 3 (180x104) cells, C: Peak phytoplankton gowth occurred at  12:00  hours day  3 (226x104)  cells,  D:  Peak phytoplankton gowth occurred at 12:00 hours to 4 days (250x104 ) cells, E: Peak phytoplankton gowth occurred at 12.00 hours to 4 days (346x104) cells, F: Peak of phytoplankton gowth occurred at 12:00 hours to 3 days (242x104)  cells.  Results of  the  analysis  showed that different doses  of the treatment effect is highly significant to the gowth of phytoplankton. Medium quality water throughout the study is still in the range of viable ie 29 oC - 30 oC, DO 6,1 – 7,2 and pH 7- 8.Key Words : Phytoplankton Gowth, Phosphate Fertilizers, Dose 
Co-Authors Ansar Basuki Rahardjo Hadi Pranggono Harun Murtadlo Kamarudin Souwakil Sobirin . Sumarlin Mus Sunarwan Asuhadi Tri Yusufi Mardiana