Irfan Zidni

• Doctor of Philosophy
• Lecturer and Researcher at Padjadjaran University

Dissolved oxygen in aquaculture systems, including aquaponics systems, cannot be filled only by natural diffusion, so an artificial aeration system is needed. Suboptimal aeration levels not only affect metabolic activity, but also affect serum and fish blood performance (hematology). This study aims to evaluate the impact of the aeration system on...

Industri ikan hias Indonesia mengalami peningkatan popularitas yang ditunjukkan dengan kenaikan produksi sebesar 1,99% pada triwulan I tahun 2024 dibandingkan triwulan I tahun 2023. Sistem budidaya ikan secara intensif merupakan metode yang menerapkan kepadatan tinggi serta pemberian pakan buatan yang memiliki protein tinggi untuk mendukung pertumb...

It is known that natural feed, in addition to being preferred because it moves, also has dyes that make the color of ornamental fish more contrasting than artificial feed. The purpose of this study is to find out which type of natural feed (Silk Worm (Tubifex sp.), Daphnia sp., Frozen Blood Worm) and artificial feed, which is more effective against...

This study aims to determine the optimal dosage of shrimp head flour addition to feed to increase the color brightness of peacock cichlid strain dragon blood. This research was carried out in Adultri Village, Cijeungjing District, Ciamis Regency with a research period from March to May 2024. The research method was a complete random design (RAL) ex...

The purpose of this research is to find out the optimal dose of galangal extract to treatment of sangkuriang catfish infected with Aeromonas hydrophila, the fish fry used are 5-7 cm in size. October-November 2022 was the time the research was carried out. The experimental method used in this study was a completely randomized design (CRD) with 4 tre...

The fisheries sector, a vital economic force in Buru, Maluku Province, faces suboptimal conditions, notably in the unexplored potential of freshwater aquaculture due to limited human resources and skills. This study aims to comprehensively explore and develop aquaculture, providing a focused, integrated approach from upstream to downstream sectors....

One of the primary challenges in the catfish cultivation industry is the uncertainty (mostly due to weather conditions, natural feed availability, pests and diseases), limited availability, and often poor quality of catfish frys. Fry quality is crucial in aquaculture, yet its reliability is hampered by the natural spawning process, which is influen...

The rapidly expanding aquaculture sector of the worldwide fisheries industry is mostly due to fish feed. Omega-3 long-chain polyunsaturated fatty acids, which are good for fish health and growth, are mostly found in fish oil. However, the cost of fish oil is increasing while its production is declining. Aquaculture can be maintained with the use of...

Intermediate-term preservation of sperm assists the reproductive management of fish spermatozoa; however, no information is available on sperm of the spotted halibut, Verasper variegatus. We aimed to identify the optimum diluents, temperatures, dilution ratios, antibiotics, and antioxidants for sperm motility and cell viability. The diluents evalua...

Simple Summary The roughscale sole, Clidoderma asperrimum, is found in the East and West Seas of Korea, waters north of Hokkaido in Japan, as well as the East China Sea, the East Pacific, and the Canadian Maritimes. In 2021, this fish was categorized as an endangered species. Thus, there is a need to maintain gametes by freezing sperm. This study i...

In fish hatcheries, sperm cryopreservation is a helpful tool for managing broodstock and artificial fertilization. However, cold shock can cause sperm injury resulting in decreasing sperm motility, low cell viability, structural damage to the plasma membrane and DNA fragmentation. This parameters are critical factor for the assessment of cryopreser...

The giant grouper, Epinephelus lanceolatus, is one of the most valuable tropical commercial fishes. The asynchronous maturity periods between males and females hampers breeding programs. Sperm cryopreservation for gamete conservation is important for fish reproduction. We evaluated the effects of storage for 1, 3, 4, and 5 years on cryopreserved sp...

The high level of public consumption, balanced with the increasingly dense population globally, makes food waste more and more. Food waste is the second-largest contributor to waste in the world. Moreover, the lack of food waste management makes this condition even worse. This food waste can be found, one of which is in restaurants, school canteens...

As an educational city, Jatinangor has a fairly large population density. In turn, it generates restaurant organic waste in large quantities. Excessive production of organic waste will be a problem if it is not accompanied by good management and utilization. One of the efforts in utilizing restaurant waste is to turn the waste as fish feed. This st...

The aim of this research was to investigate different factors, including cryoprotective agents (CPAs), diluents, dilution ratios, equilibrium times, freezing rates, and thawing methods to optimize cryopreservation protocols for large yellow croaker (Larimichthys crocea). The parameters evaluated were sperm motility, sperm activity index (SAI), surv...

Kegiatan penyuluhan ini telah dilaksanakan di Kelompok UPR Karper Mina, Kecamatan Tanjungkerta Kabupaten Sumedang, Jawa Barat, bertujuan untuk memberikan pengetahuan serta keterampilan dalam melakukan pemijahan buatan pada ikan tagih menggunakan teknik hipofisasi. Program ini dilaksanakan bulan Juli hingga Agustus 2008. Metode yang dilakukan pada p...

This study aimed to determine the effectiveness of filters on the growth performances of catfish fry (Clarias gariepinus) in the aquaponic system. The study was conducted in the Ciparanje Green House, Faculty of Fisheries and Marine Sciences, Universitas Padjadjaran, Jatinangor. A completely randomized design with four treatments and three replicat...

The physical characteristics of fermented products from restaurant waste food with BIOMS probiotic at a dose of 8% which was incubated for 7 days were investigated in order to study effect of fermentation to the physical characteristic of biomaterial and its effect to enzyme activity of Clarias sp. Fermented products are added to the feed with dose...

This research aims to determine the optimal probiotic concentration and to analyze the effect of addition of fermented restaurant waste meal (FRWM) in feed to growth of nile tilapia. The research was carried out from February-June 2019 at Faculty of Fisheries and Marine Sciences, Universitas Padjadjaran. This research used experimental method with...

This study was performed as part of the effort to develop artificial seed production techniques for stone flounder Kareius bicoloratus, which has a great potential for farming in northeast Asian countries. To develop a sperm cryopreservation protocol that can be applied for artificial fertilization, we carried out experiments on the key factors for...

Butterfly pea plants contain quite high protein and many pharmacological content, the telang leaf is very good as a feed additive, in order to increase antioxidants in fish. This study aims to determine the effect of butterfly pea leaf meal on feed to the growth rate and the feed conversion ratio of tilapia. This research has been carried out at th...

Simple Summary The spotted halibut, Verasper variegatus, is a popular fish species occurring naturally in the East China Sea and coastal areas of Korea and Japan. However, when reared in captivity, male and female spotted halibut do not usually mature synchronously. Maintaining production of this commercial fish in hatcheries through sperm cryopres...

Organic material produced from domestic food waste can be functionalized as useful product such as fish feed by fermentation process. The fermentation process changed several properties such as nutrition content and particle size. Here, we reported the effect of fermentation process on physical properties of organic material from domestic food wast...

Ikan merupakan jenis makanan sehat yang rendah lemak jenuh dan tinggi protein serta memiliki kandungan omega 3. Konsumsi jenis protein salah satu faktor yang secara langsung berpengaruh terhadap gizi seseorang. Kabupaten Pangandaran memiliki potensi untuk berkembang dalam bidang perikanan. Namun masih terjadi permasalahan mengenai kualitas gizi mas...

The research aims are to determine the availability of natural feed resources and to study the food habits of nilem carp ( Osteochilus hasselti) in the paddy-fish culture system in Kuningan (300 m from sea level), Garut (700 m from sea level) and Tasikmalaya (500 m from sea level) districts. The research used a survey method with descriptive analys...

This study aims to evaluate the physical quality of fish feed pellets formulated with different concentration of fermented restaurant waste meal (FRWM). The treatments given consisted of treatment A (control, without adding FRWM), treatment B (adding FRWM 10%), treatment C (adding FRWM 20%), treatment D (adding FRWM 30%) and treatment E (adding FRW...

Gourami, Osphronemus goramy is one of the indigenous freshwater fish species in Indonesia which has high meat quality, thus accounting for its commercial importance. This study was conducted during the period

This research aims to determine the best concentration of banana peel extract used in commercial feed on the survival of patin fish larvae. The research was conducted on April 2, 2019 until June 1, 2019 which took place at the Aquaculture Laboratory of the Faculty of Fisheries and Marine Sciences, Padjadjaran University. The making of banana peel e...

The quality of biomaterial of Lemna sp. as functional material for fish feed has been improved by solid substrate fermentation method. The fermentation was performed by using 5% commercial probiotic. The content of nutrition, size and diameter particle, and functional group of Lemna sp before and after fermentation have been investigated. After fer...

Diversity of duckweed (Araceae-Lemnoideae), morphological characteristics and its potentials as food sources for herbivorous fishes in West Java, Indonesia. Biodiversitas 20: 1617-1623. Duckweed is aquatic plant potential as a source of protein to feed herbivorous fish. The purpose of this study was to explore the diversity of duckweed species occu...

Penelitian ini bertujuan untuk mengetahui pengaruh sistem akuaponik dengan jenis tanaman yang berbeda terhadap kualitas air media budidaya ikan lele sangkuriang (Clarias gariepinus). Penelitian ini dilaksanakan pada bulan Juni sampai Agustus tahun 2018 bertempat di Laboratorium Kolam Percobaan Ciparanje Fakultas Perikanan dan Ilmu Kelautan Universi...

Various ornamental fish, such as koi and cometis a mainstay commodity from Nagrak Village, Cisaat District, Sukabumi Regency, West Java. The ornamental fish farmers in this village have been grouped in the form of pokdakan called “Pokdakan PBC Fish Farm”, which is chaired by Ikral Panutan. The main problem faced by members of this group is the colo...

Program pengabdian kepada masyarakat dengan mengaplikasikan kegiatan perikanan bertujuan untuk memberikan pengetahuan serta keterampilan dalam memanfaatkan lahan pekarangan rumah warga sebagai upaya penyediaan protein hewani melalui budidaya ikan pada kolam terpal. Program ini dilaksanakan selama 3 bulan sejak September hingga November 2018 bertemp...

This research aims to determine the composition of the best filter media on tilapia (Oreochromis niloticus) production performance. The method used in this research is experimental methods use Completely Randomized Design (CRD), which consist of four variables and three replications. The variable used is (A) without media filter (Control); (B) comb...

Indramayu regency is one minapolitan areas with a developing aquaculture including catfish and Tilapia commodities. However, a wide range of aquaculture fisheries requires appropriate development strategies. The purpose of this research is to obtain the extended land areas and RTP for catfish and indigo commodities through digitization using a remo...

This study is aimed to understand the influence of different cultivation system on silver catfish (Pangasius hypophthalmus) fry growth and survival. This study was performed at the Fishery Laboratory, Building 4, Faculty of Fishery and Marine Science, Universitas Padjadjaran, during the period of June to August 2017. This was an experimental study...

Abstrak: Warna yang cemerlang merupakan salah satu parameter kualitas dan nilai jual pada ikan koki Oranda (Carassius auratus). Karotenoid merupakan komponen alami dalam pembentuk pigmen warna yang memberikan pengaruh cukup baik terhadap warna orange pada ikan koki. Penelitian ini bertujuan untuk mengetahui pengaruh tingkat pemberian tepung Spiruli...

The research was carried out at the Laboratory of Aquaculture, Faculty of Fisheries and Marine Sciences, Universitas Padjadjaran for culture and observation of fish and at the Poultry Nutrition Laboratory, Faculty of Animal Husbandry, Padjadjaran University on the fermentation process and the manufacture of test feeding. The purpose of this study w...

Lemna spp is a water plant that many found in the area of West Java. Lemna spp has an important role in aquaculture, because it can be used as a source of quality protein to feed herbivorous fish. The purpose of this study was to explore the diversity of Lemna spp species present in West Java. The exploration was done by collecting Lemna (Lemnaceae...

Keberhasilan kegiatan perikanan budidaya tergantung pada beberapa faktor daintaranya, yaitu, genetik, kualitas air serta parasit dan penyakit ikan. Oleh karena itu, hendaklah usaha budidaya perikanan (dalam hal ini ikan nila) harus dikelola secara profesional layaknya sebuah perusahaan. Salah pengelolaan budidaya ikan yang baik adalah dengan memper...

Indonesian Economic crisis is not economic disaster, but as a market correction for Indonesian economic development strategy. This paper present that development of marine sector is one of development strategy as resources based development in Indonesia. Marine sector development will carry Indonesian out of crisis toward better economic developmen...

The purpose of this study was to determine the selectivity and level of environmental friendliness of mini bottom trawl in Pangandaran District. This research conducted on May-October 2017. Primary data obtained from purposive sampling either by interview or observation Selectivity indicator used was selectivity of catch species and size. Environme...

Penelitian ini bertujuan untuk mengetahui pengaruh perbedaan sistem budidaya terhadap kualitas air dalam budidaya benih ikan patin (Pangasius hypophthalmus). Penelitian ini dilakukan di Laboratorium Perikanan Gedung 4 Fakultas Perikanan dan Ilmu Kelautan Universitas Padjadjaran dari bulan Juni hingga Agustus 2017. Metode yang digunakan dalam peneli...

Penelitian ini bertujuan untuk menentukan derajat pemijahan tertinggi menggunakan substrat yang berbeda pada kolam semen. Penelitian ini dilaksanakan di Labolatorium Basah dan Kolam Percobaan, Ciparanje, Fakultas Perikanan dan Ilmu Kelautan, Universitas Padjadjaran. Penelitian ini dilaksanakan dari bulan Februari 2017 sampai Mei 2017. Metode yang d...

This study aims at identifying the influence of proteolytic enzymes, papain and bromelin, addition on growth rate and feed utilisation efficiency in gourami fry. Four different concentrations of papain from papaya (0%, 0.75%, 1.5% and 2.25%) and bromelin from pineapple (0%, 1%, 1.5% and 2%) were used. The parameters investigated in this study were:...

The aim of this research was to analysis the effect of addition bovine's brain meal in artificial feed on gonad maturity and to find out the best time of gonad maturity in comet fish.This research was conducted at Fourth Building Hatchery Faculty of Fisheries and Marine Sciences Padjadjaran University on November 2014 until Januari 2015. Freeze dry...

TPI Pangandaran merupakan basis pendaratan ikan terbesar di Kabupaten Pangandaran. Beberapa jenis alat tangkap seperti jaring insang, trammel net, jaring dogol, pancing rawai, pukat pantai dan bagan dioperasikan di wilayah tersebut. Penelitian ini bertujuan untuk membandingkan jenis hasil tangkapan dan laju tangkap keenam alat tangkap. Penelitian d...

Tilapia males grow faster to increase the production of the fish, there is a necessity to produce all males by using extract of bull testes. The research method used in this study was the experimental Completely Randomized Design (CRD) with five treatments and three replications. The treatments were A: without immersion and without oral treatment (...

This study aimed to understand Capsicum frutescens growth and plankton abundance in aquaponics culture. A Completely Randomized Design (CRD) with six treatments in triplicates comprising of treatment A (positive control using organic liquid fertilizer), B (negative control without fertilizer), C (drip irrigation aquaponics with a water debit of 100...

p class="NoParagraphStyle"> ABSTRACT This study aims to determine the most effective type of living filter media for the bacteria Nitrosomonas sp. in order to improve water quality in aquaponics systems. The method used in this study was completely randomized design, consisting of five treatments repeated three times. The treatments are: A (witho...

ABSTRAK Penelitian ini bertujuan untuk mengetahui pengaruh penambahan probiotik yang berbeda terhadap pertumbuhan dan kelangsungan hidup ikan lele pada sistem budidaya akuaponik. Penelitian ini dilaksanakan pada bulan Maret sampai Juni tahun 2018 bertempat di Green House Laboratorium Kolam Percobaan Ciparanje Fakultas Perikanan dan Ilmu Kelautan Un...

This study aims at identifying the influence of proteolytic enzymes, papain and bromelin, addition on growth rate and feed utilisation efficiency in gourami fry. Four different concentrations of papain from papaya (0%, 0.75%, 1.5% and 2.25%) and bromelin from pineapple (0%, 1%, 1.5% and 2%) were used. The parameters investigated in this study were:...

This research aims to identification the efficiency of the feed and the growth on Siamese Catfish (Pangasius sp), through combination of mackerel tuna canning waste and soybean meal as sources of feed.

Beach seines is one of local wisdom that is maintained in Pangandaran area. Boats used in fishing operations with beach seine were used in tourism activities. Thus the boat is very important in supporting fishing operations. This study aims to determine the characteristics of boat used in these activities. The data was collected during April 2017 a...

Karamba Jaring Apung (KJA) merupakan salah satu metode dalam kegiatan budidaya ikan di perairan umum seperti Waduk Cirata. Masalah yang umum dihadapi oleh pembudidaya ikan KJA di Waduk Cirata yaitu rendahnya konsentrasi oksigen di lokasi tersebut, sehingga akan berpengaruh secara langsung terhadap kehidupan ikan-ikan yang dibudidayakan. Rendahnya o...

Andriani Y, Dhahiyat Y, Zahidah, Zidni I. 2016. The effect of stocking density ratio of fish on water plant productivity in aquaponics culture system. Nusantara Bioscience 8: xxxx. This study aims to determine the productivity of water plants at various stocking density ratios in the aquaponic culture system. This study is conducted experimentally...

Hasan Z, Dhahiyat Y, Andriani Y, Zidni I. 2016. Water quality improvement of Nile tilapia and catfish polyculture in aquaponics system. Nusantara Bioscience 8: 83-85. Research on the improvement of polyculture water quality in aquaponics system was conducted from July 2014 to August 2014. This study aims to improve the water quality in Nile tilapia...

Saat ini kontribusi sektor perikanan terhadap ketahanan pangan nasional cukup besar. Bahkan potensi produk perikanan di kawasan Samudra Pasifik akan menjadi alternatif ketahanan pangan dunia. Menurut FAO (2014), produksi perikanan budidaya dunia telah mencapai 66 juta ton, melebihi produksi daging sapi yang hanya 63 juta ton. Faktor yang mendukung...

This study aims to determine the optimal stocking density ratio in the polyculture system of catfish and nile tilapia fish. This study is conducted experimentally using the Completely Randomized Design with the differences in the treatment of stocking density ratio, each repeated five times. The treatments of the stocking density ratio of both the...

This study aims to determine the optimal stocking density ratio in the polyculture system of catfish and nile tilapia fish. This study is conducted experimentally using the Completely Randomized Design with the differences in the treatment of stocking density ratio, each repeated five times. The treatments of the stocking density ratio of both the...