Please use this identifier to cite or link to this item: http://repository.ipb.ac.id/handle/123456789/55909
Title: Budidaya Cacing Oligochaeta dengan Padat Penebaran Berbeda pada Sistem Terbuka
Oligochaeta Cultivation with Different Stocking Densities at opened system.
Authors: Diatin,Iis
Hadiroseyani,Yani
Febriyani, Mirna
Keywords: Bogor Agricultural University (IPB)
opened system cultivation
stocking density
Oligochaeta worms
Issue Date: 2012
Abstract: Oligochaeta which also known as the silk worm is one type of natural feeds which has high nutrient content and it is much wanted by fish farmers. The purpose of this research is to determine the most effective stocking density to reach the highest periods population and biomass resulted in the oligochaeta cultivation at opened system, with water drainage at all times. The container used is wooden box sized (100x25x20) cm3 which coated black plastic. The medium used is a mixture of sludge and chicken manure. The stocking density treatments that tested were 2600 individual/m2, 3600 individual/m2, and 4600 individual/m2. Each treatment was repeated 3 times. Oligochaeta worms were given additional fertilizer of fermented chicken manure about 1 kg/m2 per day. The results show that the highest population and biomass of oligochaeta worm occurred on 40th day. The highest population obtained with solid stocking treatment at 4600 individual/m2 about 447,904 individual/m2 with biomass of 2,239.52 g/m2, and highest biomass growth rate are 55.41 g/m2/day (p<0.05). Water quality during the research is still at optimum range for growth of the oligochaeta worms. Treatment with stocking density 4600 individual/m2 is the most effective for the silk worms cultivation activities by using the assumption of 200 units of production and selling price of the silk worm is IDR 100,000 per kg, given a profit index IDR 52,892,500; R/C ratio 2.44; BEPp IDR 28,429,146; BEPunits 284.29 kg, production cost IDR 40,956 per kg, and payback period for 0.27 years or 3.24 months.
Cacing oligochaeta atau yang lebih dikenal dengan cacing sutra merupakan salah satu jenis pakan alami yang memiliki kandungan nutrisi cukup tinggi dan banyak dicari para pembudidaya benih ikan. Penelitian ini bertujuan untuk menentukan puncak populasi dan biomassa tertinggi serta padat penebaran efektif dalam usaha budidaya cacing oligochaeta sistem terbuka, yaitu dengan pengaliran dan penggantian air setiap saat. Wadah yang digunakan berupa kotak kayu berukuran (100x25x20) cm3 yang dilapisi plastik hitam. Media yang digunakan yaitu campuran lumpur dan kotoran ayam. Perlakuan padat penebaran yang diujikan adalah 2600 individu/m2, 3600 individu/m2, dan 4600 individu/m2. Masing-masing perlakuan diulang sebanyak 3 kali. Cacing oligochaeta diberi pupuk tambahan berupa kotoran ayam hasil fermentasi sebanyak 1 kg/m2 setiap hari. Hasil penelitian menunjukkan puncak populasi dan biomassa cacing oligochaeta terjadi pada hari ke-40. Populasi tertinggi didapat pada perlakuan padat penebaran 4600 individu/m2 yaitu 447.904 individu/m2 dengan biomassa 2.239,52 g/m2, dan laju pertumbuhan biomassa sebesar 55,41 g/m2/hari (p<0.05). Kualitas air selama penelitian masih dalam kisaran optimum bagi pertumbuhan cacing oligochaeta. Perlakuan padat penebaran 4600 individu/m2 paling efektif untuk kegiatan usaha budidaya cacing oligochaeta dengan asumsi menggunakan 200 unit produksi dan harga jual cacing oligochaeta yaitu Rp 100.000 per kg, memberikan keuntungan sebesar Rp 52.892.500; R/C ratio sebesar 2,44; nilai BEPp yaitu Rp 28.429.146; BEPu yaitu 284,29 kg, HPP sebesar Rp 40.956 per kg; dan payback period selama 0,27 tahun atau 3,24 bulan.
URI: http://repository.ipb.ac.id/handle/123456789/55909
Appears in Collections:UT - Aquaculture

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