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All Journal JFMR (Journal of Fisheries and Marine Research) Jurnal Penelitian Pendidikan IPA (JPPIPA)
Arning Wilujeng Ekawati
Brawijaya University
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Engineering Environmental Science Materials Science & Nanotechnology Physics

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PENGARUH PEMBERIAN PAKAN ALAMI CACING Tubifex sp. TERHADAP PANJANG DAN BERAT IKAN RAMIREZI (Mikrogeophagus ramirezi) Mr Budianto; Soko Nuswantoro; Heny Suprastyani; Arning Wilujeng Ekawati
JFMR (Journal of Fisheries and Marine Research) Vol 3, No 1 (2019): JFMR VOL 3 NO.1
Publisher : JFMR (Journal of Fisheries and Marine Research)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jfmr.2019.003.01.10

Abstract

Salah satu ikan hias yang memiliki prospek perkembangan yang cukup baik adalah ikan ramirezi (Mikrogeophagus ramirezi). Dalam pemeliharaan ikan ramirezi diperlukan perlakuan khusus dalam penanganan benihnya. Tujuan dari penelitian ini yakni dapat mengetahui pengaruh pemberian pakan alami cacing Tubifex sp. terhadap pertambahan panjang dan berat benih ikan Ramirezi. Penelitian ini terdapat 2 perlakuan yakni perlakuan A (pemberian pakan pellet pada pagi dan sore hari) dan perlakuan B (pemberian pakan cacing Tubifex sp pada pagi dan sore hari). Masing-masing perlakuan dilakukan dengan 3 kali ulangan. Pakan pellet dan cacing Tubifex sp yang diberikan masing-masing secara ad libitum selama 14 hari. Hasil pengamatan dan perhitungan menunjukkan bahwa persentase pertambahan benih ikan pada perlakuan B mengalami peningkatan yang signifikan daripada hanya diberi pakan pellet saja (Perlakuan A). Selama 14 hari, pemberian pakan alami cacing Tubifex sp. pada waktu pagi dan sore, benih ikan mengalami penambahan panjang sebesar 13,78 % dan berat sebesar 106,48 %. Hasil ini sangat jauh berbeda dengan benih ikan yang hanya diberi pakan pellet pada pagi dan sore hari, yakni hanya 12,31 % untuk beratnya dan panjangnya tetap. Kesimpulan dari penelitian ini adalah pemberian pakan alami cacing Tubifex sp. berpengaruh signifikan terhadap pertambahan panjang dan berat benih ikan Ramirezi.
Growth and Body Composition of Spiny Lobster (Panulirus homarus) Reared with Short-Term Fasting Pranawengrum Sekartadji; Arning Wilujeng Ekawati; Mohamad Fadjar
Jurnal Penelitian Pendidikan IPA Vol 9 No 6 (2023): June
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i6.3620

Abstract

Slow growth rate tends to be a challenge in the cultivation of spiny lobster (P. homarus) because it impact on long rearing periods and high operational costs, especially for feeds. Short-term starvation or fasting has known to allow the minimum feed usage without inhibiting biota growth, also improves digestive function, reduces the amount of water-soluble nutrient metabolites, and reduces operational costs. Spiny lobster (P. homarus) measuring 50.0 ± 10.0 g was reared for 6 weeks in floating net cages. Lobsters were fasted at intervals of 1 fasting day/1 day of feeding, 1 fasting day/2 days of feeding, and fed daily. Survival, growth, and feed efficiency of spiny lobster (P. homarus) were analyzed. Higher growth rate and energy retention were found in spiny lobster (P. homarus) reared with short-term fasting system.  Lower FCR also found in the same rearing system. Spiny lobster (P. homarus) body content indicate its ability to store nutrient in mucle and hepatopancreas in order to adapt to starved condition. Short-term fasting can improve growth and feed efficiency in spiny lobster (P. homarus) cultivation
Co-Authors Heny Suprastyani Mohamad Fadjar Mr Budianto Pranawengrum Sekartadji Soko Nuswantoro