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Siti Subandiyah
Instalasi Penelitian Perikanan Air Tawar
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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PENGARUH PADAT PENEBARAN TERHADAP PERTUMBUHAN DAN SINTASAN DEDERAN IKAN NILA GIFT (Oreochromis niloticus) DI KOLAM [Effect of Stocking Density on Growth and Survival Rates of Oreochromis niloticus in the Pond] Pawartining Yuliati; Tutik Kadarini; Rusmaedi Rusmaedi; Siti Subandiyah
Jurnal Iktiologi Indonesia Vol 3 No 2 (2003): Desember 2003
Publisher : Masyarakat Iktiologi Indonesia (Indonesian Ichthyological Society)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32491/jii.v3i2.259

Abstract

An experiment was conducted to know the effect of stocking density on growth and survival rates of Oreochromis niloticus for eight weeks at the Installation of Research Institute for Inland Fisheries, Depok (West Java). Twelve sheets of 1 x 1 m rearing nets were fixed at 60-70 cm height from the base of pond. Oreochromis niloticus, avereg the initial weight of fish was 2.85 g and reared, were reared at 50, 100, 150 or 200 fish/m2 with three replication in completely randomized design. Each fish results showed that stocking density influenced individual liveweight, and growth and survival rates (P<0.05). The optimum density was 100 fish/m2 with final liveweight of 13.22 g, growth rate of 10.42 g and survival rate of 95.67 %.AbstrakPenelitian dilakukan dengan tujuan untuk mengetahui pengaruh padat penebaran terhadap pertumbuhan dan sintasan ikan nila Gift (Oreochromis niloticus), dilakukan di Instalasi Penelitian Perikanan Air Tawar, Depok (Jawa Barat) selama delapan minggu. Wadah yang digunakan berupa jaring ukuran 1 x 1 m sebanyak 12 buah yang dipasang di kolam dengan ketinggian air sekitar 60-70 cm. Ikan uji adalah ikan nila dengan bobot awal rata-rata 2,85 g/ekor. Digunakan rancangan acak lengkap dengan padat penebaran 50, 100, 150 dan 200 ekor/m2, masing-masing diulang tiga kali. Jenis pakan berupa pelet komersial mengandung 27 % protein diberikan sebanyak 5 % dari bobot biomasa per hari dengan frekuensi dua kali. Hasil penelitian menunjukkan bahwa padat penebaran berpengaruh terhadap bobot mutlak individu, laju pertumbuhan dan sintasan (P<0,05). Padat penebaran optimal adalah 100 ekor/ m2 dengan bobot mtlak rata-rata individu sebesar 13,22 g, pertambahan berat 10,42 g dan sintasan 95,67 %.
PENGARUH SUBSTITUSI PAKAN ALAMI (TUBIFEX) DAN BUATAN TERHADAP PERTUMBUHANIKAN TILAN LURIK MERAH (Mastacembelus erythrotaenia Bleeker, 1850) [Effect of Substitusion of Life Food (Tubifex) With Artificial Food (Pellet) to Fire Eel (M. erythrotaenia) Growt Rate] Siti Subandiyah; Darti Satyani; Aliyah Aliyah
Jurnal Iktiologi Indonesia Vol 3 No 2 (2003): Desember 2003
Publisher : Masyarakat Iktiologi Indonesia (Indonesian Ichthyological Society)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32491/jii.v3i2.260

Abstract

Study about feeding practice of fire eel (M. erythrotaenia) was carried out at Instalation for Freshwater Fisheries In Depok for tree months. The aim of the study is to knom the effect of feed substitution of life food (Tubifex sp.) which usually used as feeding this fish with artificial food; to the fish growth rate. Twelve aquaria (60x30x40 cm) filled with 40 liters freshwater was used for rearing the fish (5 fishes/aquarium). Prime weight of the fish was about 17-18 grams the treatment or feeding used in every 3 (three) aquaria were: A. 100 % tubifex; B. 75 % tubifex + 25 % pellet; C. 50 % tubifex + 50 % pellet and D. 25 % tubifex + 75 % pellet. Daily feeding was 7 % of body weight, given in three times and calculated by dry weight. The result of this experiment shown that all kind of the substitution can be used to rear this fish without any mortality. However the D treatment was indivated the lowest growth rate compared with the other treatment.AbstrakPenelitian bertujuan untuk mengetahui pengaruh penggantian pakan alarai dengan kombinasi pakan alami dan buatan terhadap pertumbuhan dan sintasan ikan tilan merah. Penelitian dilakukan di Laboratorium Instalasi Penelitian Perikanan Air Tawar Depok selama 3 bulan dengan menggunakan akuarium ukuran 60x30x40 cm diisi air 40 liter, masing-masing 5 ekor setiap wadali. Berat awal ikan 17-18 gram. Pakan yang diberikan cacing Tubifex sp. dan pakan buatan berkadar protein 40 %. Kombinasi pelet dalam perlakuan adalah: A. Pemberian pakan 100 % cacing tubifex; B. Pemberian pakan 75 % cacing tubifex + 25 % pakan buatan; C. Pemberian pakan 50 % cacing tubifex + 50 % pakan buatan dan D. Pemberian pakan 25 % cacing tubifex + 75 % pakan buatan. Jumlah pakan dihitung berdasarkan berat kering sebanyak 7 % BB/hari diberikan 3 kali. Dari hasil penelitian menunjukkan bahwa kombinasi pakan alami cacing tubifex dan pakan buatan berpengaruh nyata (P<0,05) terhadap bobot mutlak individu, Iaju pertumbuhan dan sintasan. Kombinasi pakan masih layak untuk pemeliharaan ikan hias adalah 50 % cacing tubifex + 50 % pelet dengan bobot mutlak 5,75 gram, laju pertumbuhan harian 0,46 % dan sintasan 100 % dengan konversi pakan 4,65.
Co-Authors Aliyah Aliyah Darti Satyani Pawartining Yuliati Rusmaedi Rusmaedi Tutik Kadarini