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Chumaidi Chumaidi
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Pertumbuhan Populasi Cacing Tanah (Phertima sp.) Sebagai Sumber Protein Pakan Ikan Dalam Media Kotoran Kambing Dengan Tiga Pakan Tambahan (Bungkil Sawit, Limbah Sayuran Pasar Dan Dedak) Mariyana, Ratna; Muarif, Muarif; Chumaidi, Chumaidi
Jurnal Mina Sains Vol 3, No 1 (2017)
Publisher : Universitas Djuanda Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (764.811 KB) | DOI: 10.30997/jms.v3i1.860

Abstract

Tujuan penelitian ini ialah untuk menganalisis pengaruh penambahan bungkil sawit, limbah sayuran hasil fermentasi dan dedak pada media kotoran kambing terhadap pertumbuhan populasi cacing tanah sebagai sumber protein pakan ikan. Cacing tanah uji yang dipergunakan pada penelitian ini ialah jenis Pheretima sp. sebanyak 100 individu/wadah. Rancangan percobaan dalam penelitian ini ialah Rancangan Acak Lengkap (RAL) dengan 4 perlakuan dan 3 ulangan. Perlakuan yang diberikan ialah perbedaan jenis pakan tambahan yaitu tanpa pakan tambahan / kontrol (A), bungkil sawit (B), limbah sayuran pasar hasil fermentasi (C) dan dedak (D) yang diberikan setiap dua hari sekali sebanyak 500 gram. Parameter yang diobservasi pada penelitian ini ialah pertumbuhan populasi, bobot dan panjang cacing tanah serta kualitas media (suhu dan pH). Hasil penelitian menunjukkan bahwa pertumbuhan populasi cacing tanah tertinggi terdapat pada perlakuan (A) yaitu rata-rata 12,1 individu/liter, sedangkan rataan tertinggi untuk bobot dan panjang individu terdapat pada perlakuan (D) masing-masing 0,78 gram dan 10,7 cm.
Pemijahan dan Perkembangan Embrio Ikan Pelangi, Melanotaenia spp. Asal Papua Chumaidi, Chumaidi; Nur, Bastiar; Sudarto, Sudarto; Pouyaud, Laurent; Slembrouck, Jacques
Jurnal Perikanan Universitas Gadjah Mada Vol 11, No 2 (2009)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (34.127 KB) | DOI: 10.22146/jfs.3

Abstract

Rainbow fish (Melanoptaenia spp.) originated from Sungai Gelap of Papua. The objective of this experiment was to know the fecundity, hatching rate and the rate of embryogenesis. Total of 50 male and female broodstock measuring 10–15 cm reared in closed recirculating water system in concrete tank until their gonad matured. One pair composed of one male and two female’s of matured fish was transferred to 1 x 1 x 0.5 m³ concrete tank for pair breeding, the fish was sheltered with water hyacinth. Released eggs were observed in the morning and in the afternoon daily. Eggs were categorized into fertile and infertile. Some 25 eggs were incubated in plastic baskets, and observed under microscope for their embryonic development stages. The results showed that rainbow fish from Sungai Gelap produced eggs (averages) 392 per female; fertility rate was 93.74%; average hatching rate was 87.36%, and the fertilized eggs were hatched approximately 5 days incubation.
Co-Authors A.A. Ketut Agung Cahyawan W Bastiar Nur Jacques Slembrouck Laurent Pouyaud Muarif, Muarif Ratna Mariyana