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PENGARUH PERBEDAAN DOSIS PAKAN IKAN RUCAH TERHADAP PERTUMBUHAN IKAN KARDINAL BANGGAI (Pterapogon kauderni) Saruni; Sulystyaningsih, Naning Dwi; Hamid; Muahiddah, Nuri; Al Furkan; Sumahiradewi, Luh Gede; Soraya, Indah
Jurnal Agroqua: Media Informasi Agronomi dan Budidaya Perairan Vol 22 No 1 (2024): Jurnal Agroqua
Publisher : University of Prof. Dr. Hazairin, SH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32663/ja.v22i1.4399

Abstract

The Banggai Cardinal Fish (BCF) is a type of fish endemic to Indonesia whose distribution is very limited. This fish lives in shallow waters in the Banggai Islands (Central Sulawesi), especially in Banggai Laut Regency and Banggai Islands Regency. The purpose of this study was to find the optimal dose of trash fish feed for the growth of Cardinal Banggai (Petrapogon kauderni). This study used a completely randomized design (CRD) with a total of 4 treatments, namely P0 (0%, as control), P1 (5% trash fish feed), P2 (10% trash fish feed), P3 (15% trash fish feed), with replicated 3 times in each treatment. The data collected is primary data in the form of weight and length data, survival, feed conversion ratio, and water quality (temperature, salinity, pH, DO, ammonia). Based on research results, the best growth in weight and length is in the range of 10-15%, namely with a weight value of 0.003 grams/day and a length of 0.008 cm/day. The highest specific growth rate was P3 of 0.009%/day and the survival rate reached 70%. The lowest (best) average value of feed conversion ratio was at P2 at 0.49. While the quality of the water during the study was still in the optimal range for the proud cardinal fish, namely temperature 28-29 oC, salinity 30 ppt, pH 7.2—8.2, DO 4.0 mg/l, and ammonia 0.1 mg/l.
PENGARUH KETINGGIAN AIR TERHADAP PERTUMBUHAN DAN KELANGSUNGAN HIDUP BENIH IKAN KOI (CYPRINUS CARPIO): The Effect Of Water Depth On The Growth And Survival Of Koi Fish Seeds (Cyprinus carpio) Kusnandi, Aan; Hamid, Hamid; Sumahiradewi, Luh Gede
Al-Aqlu: Jurnal Matematika, Teknik dan Sains Vol. 2 No. 1 (2024): Januari 2024
Publisher : Yayasan Al-Amin Qalbu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59896/aqlu.v2i1.43

Abstract

Koi fish (Cyprinus carpio) is one of the most popular ornamental fish with high economic value and can compete in local and international markets. One of the obstacles in koi fish farming is growth and survival caused by changes in temperature. One of the factors that affect temperature changes is water level. This study aims to determine the effect of water level on the growth and survival of koi fish seeds. This study used an experimental method with a completely randomized design (CRD). There were 4 (four) treatments tested, namely P1 (15 cm) as control, P2 (20 cm), P3 (25 cm), and P4 (30 cm). Each treatment was repeated 3 times, resulting in 12 experimental units. The variables taken were fish length and weight, and water quality (temperature, pH, DO, ammonia). The results showed that. The ideal container water level and can provide the best results to support the growth of koi fish fry is 25 cm. At a water level of 25 cm, weight growth of 0.034 grams/day, length growth of 0.018 cm/day, specific growth rate of 0.021%/day, and survival rate reached 100%. Meanwhile, water quality parameters during the study were in the optimal range, namely temperature 19 - 23 °C, pH 7, dissolved oxygen 5 - 8 mg/L, and ammonia 00.1 - 0.06 mg/L.