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Nasuki Nasuki
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PEMBENIHAN IKAN KOI (Cyprinus carpio) SECARA ALAMI DI MINA SUMBER UTAMA KOI Lusiana BR Ritonga; Nasuki Nasuki; Lutfia Indah Sari
Jurnal Penelitian Chanos Chanos Vol 20, No 2 (2022): Chanos chanos
Publisher : Politeknik Kelautan dan Perikanan Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (633.789 KB) | DOI: 10.15578/chanos.v20i2.11982

Abstract

Koi fish is one of the freshwater ornamental fish that has the potential to be developed and has important economic value. opening the market for koi fish seeds is quite high, so the availability of seeds must be available continuously. One way to produce seeds is by spawning. The main parameters observed in this study were fertilization rate, hatching rate and survival rate. The value of the fertilization rate in spawning 1 was 79 and spawning II was 80%. The hatching rate in spawning I was 73% and in spawning II was 87%. The survival rate for spawning 1 was 96% and spawning II was 79%. 
PENGARUH PENGGUNAAN MICROBUBBLE TERHADAP KELIMPAHAN PLANKTON PADA BUDIDAYA UDANG VANNAMEI Mochammad Heri Edi; Nasuki Nasuki; M. Hery Riyadi Alauddin; Mohsan Abrori; Lusiana BR Ritonga; Kartika Primasari; Putri Nurhanida Rizky
Jurnal Penelitian Chanos Chanos Vol 19, No 2 (2021): Chanos chanos
Publisher : Politeknik Kelautan dan Perikanan Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (186.72 KB) | DOI: 10.15578/chanos.v19i2.10331

Abstract

Komposisi plankton pada perairan  terutama pada tambak udang Vannamei dapat berperan sebagai parameter ekologi perairan selain sebagai  pakan alami dan penghasil oksigen. Sistem resirkulasi merupakan salah satu cara untuk menjaga kualitas air yang nantinya mampu mendukung komposisi plankton yang seimbang sehingga budidaya udang vannamei super intensif dapat berjalan optimal. Microbubble merupakan suatu alat yang berfungsi menghasilkan gelembung udara dalam air denga ukuran diameter kurang dari 200 µm. Gelembung mikro ini mampu meningkatkan kadar oksigen terlarut sehingga dapat menurunkan kadar ammonia dalam air budidaya sampai 95%. Penelitian yang dilakukan merupakan penilitian eksperimental yang dirancang dengan menggunakan dua kolam bundar dengan diameter 3 m. Satu kolam bundar menngunakan aerator dan yang lain menggunakan Microbubble untuk sistem aerasinya. Jenis Plankton diamati menggunakan mikroskop. Dari hasil penelitian tersebut Genus plankton yang mendominasi adalah Chlorophyta dengan nilai 88,%, Cyanophyta 8,%, dan Chrysophyta 2,7%. Jenis Chlorophyta meliputi Chlorella, Nanochloropsis, dan Oocystis. Penggunaan Microbubble mampu meningkatkan kelarutan oksigen, dari hasil penelitian nilai DO yang di dapat 5,05 mg/L. kelarutan oksigen yang tinggi di perairan memberikan dampak yang positif terhadap udang dan juga biota perairan yang lain.
PENGGUNAAN SILIKAT TERHADAP PERTUMBUHAN UDANG VANNAME SKALA RUMAH TANGGA Nasuki Nasuki; Mochammad Heri Edi; M. Hery Riyadi Alauddin; Mohsan Abrori; Lusiana BR Ritonga; Kartika Primasari; Putri Nurhanida Rizky
Jurnal Penelitian Chanos Chanos Vol 20, No 2 (2022): Chanos chanos
Publisher : Politeknik Kelautan dan Perikanan Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (276.562 KB) | DOI: 10.15578/chanos.v20i2.11222

Abstract

Natural feed such as phytoplankton, contains high levels of protein, fat, and carbohydrates to enhance the growth performance and immunity in shrimp. Moreover, the presence of phytoplankton in the water column can make the waters shady so that it stimulates the shrimp to actively look for food during the day. Silicate is a macro element that used to promote the cell growth and cell wall formation of plankton. Ceraclean fertilizer product is an artificial hydrated calcium silicate with many small pores so that it is easily soluble in water to facilitate nutrient absorption by plankton cells. This study aims to determine the abundance of plankton in vaname shrimp culture ponds with the addition of ceraclean fertilizer and its correlation to the growth of vaname shrimp. This study uses a household-scale circular pond equipped with microbubble aerator technology with a power of 0.5 HP. The stocking density used was 700 fish/m3 and the maintenance period at DOC was 75. The average weight of shrimp growth at harvest was 9.8 grams with a total biomass of 273 Kg with an FCR of 1.1. A total of 262 ind/ml plankton were identified in household-scale aquaculture ponds with a percentage of Chlorophyta 57.20%, Cyanophyta 37%, Crysophyta 5%, Dinoflagellates 0.8% and Protozoa 0%. This study explains the low intake of feed used during the rearing period and the low FCR value because the shrimp utilizes natural feed. This also causes the growth of vaname shrimp in this study to continue to increase every week with an SR value of 90.1%.
PENINGKATAN PIGMEN WARNA DAN PERTUMBUHAN IKAN KOI (Cyprinus carpio) MELALUI PENGKAYAAN SUMBER KAROTENOID TEPUNG SPIRULINA Putri Nur Hanida Rizky; Atika Marisa Halim; Nasuki Nasuki; M. Alfian Nur Rohman
Jurnal Perikanan Pantura (JPP) Vol 6 No 1 (2023): MARET 2023
Publisher : Universitas Muhammadiyah Gresik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30587/jpp.v6i1.4620

Abstract

Ornamental fish farming is one of the supporting sectors of the fishery community's economy. The increasing ornamental fish production in 2022 is more influenced by the increasing demand for native Indonesian ornamental fish in the world market. “KOI” is one of the iconic ornamental fish in Indonesia as the most widely produced ornamental fish in 2022. The existence of Spirulina as a natural source of carotenoids can replace the use of synthetic carotenoids, thereby saving production costs in aquaculture. This study was conducted to evaluate the effect of enriching carotenoid sources of Spirulina flour on color enhancement and growth of koi fish (Cyprinus carpio). 40 koi fish (Cyprinus carpio) were given different feed treatments. P0 was the control (the feed was not given additional S. fusiformis flour. Meanwhile, the P1, P2, and P3 groups were fed with the addition of S. fusiformis flour at different concentrations (1%, 3%, and 5%). Koi fish were reared for 30 days by observing the color brightness level which was measured once every 7 days using the Toca Color Finder (TCF). Survival rate was measure at the end of the study. The results showed the survival rate of koi fish was 100%, the highest growth rate was found in the addition of Spirulina flour with a dose of 3% of 1.15 ± 0.31%. osis 1% (P1) was able to increase the color of koi fish significantly compared to control (P0) with a final score of 24. The use of 1% spirulina (P1) did not show a different color improvement compared to P2 (score 22) and P3 (score 21) although the increase in color was higher than all treatments.
Co-Authors Atika Marisa Halim Kartika Primasari Kartika Primasari Lusiana BR Ritonga Lusiana BR Ritonga Lutfia Indah Sari M. Alfian Nur Rohman M. Hery Riyadi Alauddin M. hery Riyadi Alauddin Mochammad Heri Edi Mohsan Abrori Mohsan Abrori Putri Nur Hanida Rizky Putri Nurhanida Rizky Putri Nurhanida Rizky