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INDONESIA
Jurnal Perikanan Universitas Gadjah Mada
Published by Universitas Gadjah Mada
ISSN : 08536384     EISSN : 25025066     DOI : -
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology
Jurnal Perikanan Universitas Gadjah Mada are published to promote a critical review of the various investigative issues of interest in the field of fisheries between the researchers, academics, students and the general public, as a medium for communication, dissemination, and utilization of wider scientific activities.
Arjuna Subject : -
Articles 401 Documents
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ANALISA KESESUAIAN LAHAN DAN STRATEGI PENGEMBANGAN BUDIDAYA Gracilaria sp. DI AREA TAMBAK DI KECAMATAN ULUJAMI KABUPATEN PEMALANG Muhammad Zulfa Zain; Fajar Basuki; Sri Rejeki
Jurnal Perikanan Universitas Gadjah Mada Vol 14, No 2 (2012)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.9114

Abstract

The Purpose of this research was (1) to examine the suitability areas of brackish water pond for Gracilaria sp.culture (2) to examine the carrying capacity of brackish water pond for Gracilaria sp.culture development, and (3) to arrange the development strategy of Gracilaria sp.culture in brackish water pond areas. This research was done quantitative descriptively by collecting data. A survey method was applied in this research. The data of Gracilaria sp. culture development at Ulujami District were collected and analysed descriptively by using an area suitability method. The sampling location and respondents were based on a purposive sampling method. The carrying capacity of the total area of the brackish water pond and the Gracilaria sp. total production were analysed both descriptively as well as using SWOT analysis. The results show that based on the area suitability 6,315 Ha or 1% of the total brackish water pond were very suitable (S1) for Gracilaria sp. culture; 605,25 Ha or 99% was suitable and there was no area where was not suitable  for Gracilaria sp. culture. However, there was 5,052 Ha brackishwater pond which was very suitable and effective for Gracilaria sp. culture. The Gracilaria sp. yield from those area was 20,208 ton/year. Development strategy of Gracilaria sp. culture at Ulujami district are partner enterprises development, empower comunities organization in economy sector as well as Gracilaria sp. culture  technology, technical service in seed selection guidance and postharvest and enterprise management, financials and infrastructures improvement, design of culture areas development, involvement of stakeholders, development of processing home industry and market expansion.
Distribusi Residu Logam Berat Timbal (Pb) dalam Organ Ikan Bandeng (Chanos chanos) PADA Salinitas Air Berbeda Petrus Rani Pong-Masak; Rachmansyah Rachmansyah
Jurnal Perikanan Universitas Gadjah Mada Vol 8, No 1 (2006)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.162

Abstract

Determination of plumbum (Pb) residue distribution in the organs of milkfish, Chanos chanos reared in different water salinities was performed in a 2,000 l fiberglass container under laboratory condition. Water salinity levels as treatment were 10, 20, and 30 ppt. Milkfishes (100±14 g) obtained from local farmer were reared in 2,000 l fiberglass container at density of 40 individu/l. The fishes were exposured with Pb at 2 ppm. Sampling were conducted at 0 (initial), 7, 14 and 21 days after application of Pb. Pb was extracted from flesh, kidney, liver, intestine, and gill, and determined by atomic absorption spectrophotometer. Results showed that Pb residue in milkfish organs increase when water salinity decrease. The highest Pb residue concentration found in kidney followed by liver, intestine, flesh and gill.
STUDI KESESUAIAN LAHAN PESISIR UNTUK TAMBAK DI KECAMATAN NGOMBOL KABUPATEN PURWOREJO Bambang Triyatmo
Jurnal Perikanan Universitas Gadjah Mada Vol 3, No 1 (2001)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.8864

Abstract

The objective of this study was to know the feasibility of the coastal area for shrimp and fish pond based on physical, chemical and biological parameters of soil and water as well as topographycal situation.The results of the study indicated that : .i). the coastal area in Ngombol district Purworejo regency was suitable for pond, .ii). the area have two kinds of land units, namely clay alluvial and sandy land units, iii). the former one was suitable for conventional pond constraction, fertile and acid soil, .iv).  the latter  was unsuitable for conventional pond constraction, unfertile and slightly-netral soil, .v). the water for shrimp and fish culture might be supplied from Cokroyasan and Lereng rivers (fresh-brackiswater),  well (freshwater), and directy from intestidal zone for seawater.vi). in general, the water quality were suitable for shrimp and fish  culture.This study suggested that in the clay alluvial soil, extensive and intensive ponds might be developed. However, intensive pond should be developed in the area with sandy soil.
PENGARUH SIMULASI TRANSPORTASI KAPAL PADA KERENTANAN KERANG HIJAU Perna viridis TERHADAP HYPOSALINITY Yasser Ahmed; Dian Respati Widianari
Jurnal Perikanan Universitas Gadjah Mada Vol 18, No 1 (2016)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.17746

Abstract

Introduced species are species which exceed their natural distribution limits (native range) by a certain mode of introduction (vector). Natural movements are responsible to a limited extent. Introduction of a species could influence the susceptibility of a species to environmental stress no matter if introduced purposely or un purposely. Introduction of species could happen by natural movement i.e. organism can movement influenced by current and some organism can migrate to one area to another area; and human activity either purposely i.e. aquarium trade, aquaculture or un purposely such as accidentally through fouling on ship hulls. However, a dominant vector which has large contribution on species introduction is transported by ship hulls and ballast water tanks. Furthermore, the objective of this experiment is to investigate whether the organism can increase their tolerance during transport. The experimental design to mimicking transport condition in short term lab experiment and compared pre-stress group and non-stress group on the second stress. Afterward, looking forward the survival of the organism. Chosen of Green Mussels (P. viridis) from Muara Kamal, Jakarta Bay, and hyposaline stress. The response variable these experiments are survival and byssus. The results of this study showed that the group of pre-stress and non-stress group was no difference in the simulation of transport for survival. Byssus thread increase when recovery long enough and decrease when getting double stress. 
EFEKTIVITAS EKSTRAK BAWANG PUTIH (Allium sativum) UNTUK MENCEGAH DAN MENGOBATI MOTILE AEROMONAS SEPTICEMIA (MAS) PADA IKAN MAS (Cyprinus carpio) Iesje Lukistyowati; Windarti Windarti; Morina Morina; Alim Isnansetyo; Kurniasih Kurniasih
Jurnal Perikanan Universitas Gadjah Mada Vol 10, No 1 (2008)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.8921

Abstract

The aim of study was to know the effectiveness of garlic (Allium sativum) extract in preventing and curing Motile Aeromonas Septicemia (MAS) in common carp (Cyprinus carpio). Garlic extract was obtained by juicing fresh garlic and filtering by using filter paper. Common carp (8-12 cm in total lenght) were used. Infection was done by injecting intraperitonially 0.1 ml 0f 24 h Aeromonas hydrophila culture at bacterial density of 108 cells/ml. Garlic extract was given by immersing the fish at various concentrations. Results indicated that the minimum inhibitory concentration (MIC) of the garlic extract againtst A. hydrophila ranged from 61.300-125.000 ppm, while the LD50 of this extract was 3.438 ppm. The use of garlic extract to prevent MAS was effective as survival rate of the treated fish with the extract at 1000, 2000, and 3000 ppm ranged from 83 to 100% while the survival rate of untreated fish was 60.71%. However, the use of garlic extract to cure MAS was not effective as the survival rate of the treated fish ranged 50-80% which were the same or even lower than that of the control (76.67%).
Gejala Asimetris pada Lele Afrika Clarias gariepinus Tak Bersirip Pektoral Hasil Buidaya di Kolam Farikhah Farikhah; Sukoso Sukoso; U Yanuhar; F Iranawati; M Zainuddin
Jurnal Perikanan Universitas Gadjah Mada Vol 19, No 2 (2017)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.28551

Abstract

The purpose of this study was to describe the asymmetric potential possessed by the pectoral fin organ Clarias gariepinus catfish originating from maintenance in aquaculture ponds. Individuals who do not grow a pair of pectoral fins are mated to a normal pectoral finned individual to obtain fish seed (F1). The study was conducted from January to April 2017 at the Reproductive Laboratory of Aquaculture Studies Program Department of Water Resources Management Faculty of Fisheries and Marine Science Universitas Brawijaya Malang. The observed variables are asymmetric score and Asymmetric Fluctuation Index (FA). The number of lefts and right pectoral fin radius, as well as abnormal F1 percentage, were analyzed. Long-weight relationship was analyzed by linear regression and PT/BB ratio. The conclusions using Mann Whitney-U Test (α = 0.01). The results showed that the population of F1 from the parent fish of the non-pectoral mortal differs very significantly with the controls on the asymmetry score variables (13.63±29.88), FA (1.25±2.05), the average number of pectoral left fins (8.95±3.22) - right fin (9.10±1.89), and the ratio of PT/BB (1.57±0.61) with a long-weighted relationship based on the equation y = 3.25x-2.04. Based on the results of this study it is concluded that the catfish Afrika Clarias gariepinus with perfect loss pectoral fin has the potency to generate asymmetrical characters to its generation and rising FA that is influenced by the hybridization or crosses.
Pengaruh Konsentrasi Gelatin Ikan Sebagai Bahan Pengikat Terhadap Kualitas dan Penerimaan Sirup Diah Lestari Ayudiarti; Suryanti Suryanti; Tazwir Tazwir; Rosmawaty Paranginangin
Jurnal Perikanan Universitas Gadjah Mada Vol 9, No 1 (2007)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.72

Abstract

The purpose of this research was to observe the effect of fish gelatin compared to commercial gelatin as a binder on the quality of syrup. The concentrations of gelatin added to syrup were 4, 6, 8 and 10%. The moisture content, ash content, protein content, viscosity, and microbiology test of final products were analyzed. Meanwhile, the organoleptic test was observed only for the syrup added with fish gelatin. The result showed that gelatin concentration significantly affected the viscocity of syrup. Microbiology test showed that there were no mold in this product and Escherichia coli densities were less than 3 MPN /ml while TPCs were 2,0x103 CFU/g. The syrup with 8% fish gelatine was mostly preferred by the panelists because of its color and viscosity. Moisture content, ash content, protein content, and viscosity of this syrup were 38.67%, 0,12%, 11.13%, and 122,60 cPs, respectively.
PENELUSURAN SENYAWA BIOAKTIF BAKTERI YANG BERASOSIASI DENGAN ANEMON LAUT SERTA IDENTIFIKASI MOLEKULERNYA BERBASIS 16S rDNA Naely K Wusqy; Dwi I Prayitmo; Ocky K Radjasa; Leenawaty Limantara; Ferry F Karwur1
Jurnal Perikanan Universitas Gadjah Mada Vol 14, No 1 (2012)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.9049

Abstract

Sea anemone-associated microorganisms are among of the most interesting and promising marine natural product sources, which produce various biological activities. In this study, marine bacteria were isolated from 2 kinds of sea anemones, Entacmaea medusivora and Green Anemone that were collected from Bandengan, Jepara and Maratua, East Borneo respectively. Nine bacterial isolatesof E.medusivora were screened for antibacterial activity against 8 strains. One out of 9 bacterial isolates was successfully screened and was found to be active against V. parahaemolyticus strains. This active isolate was also capable of amplifying PKS gene fragments necessary for the biosynthesis of polyketide synthase. The identifi cation results revealed that the active isolate is Bacillus cereus. One bacterial isolate of Green Anemone was screened to produce the pigment and positively synthesize carotenoids. Initial analysis with atomic absorption spectrophotometric method revealed that the wave length of bacterial pigment were in the range of 300-600 nm, which are categorized that within the group of carotenoid pigments. From the results of molecular identifi cation by 16S rDNA method, it was shown that bacterium was closely related to Xanthomonas sp.
Komposisi Spesies Ekhinodermata di Perairan Tanjung Pai Padaido, Biak Numfor–Papua Eddy Yusron; Susetiono Susetiono
Jurnal Perikanan Universitas Gadjah Mada Vol 8, No 2 (2006)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.152

Abstract

Total of 31 species of echinoderms, consisted of 10 species holothuroidea, 9 species of asteroidea, 6 species echinoidea and 6 species ophiuroidea have been found in the Tanjung Pai, Padaido-Biak Numfor. The sea cucumbers were relatively common in the sea grass-zone. Based on population density, the sea cucumber was the dominant group and their density was the highest, but their distributions were very scarce. Among the echinoderms found in this study, only sea cucumbers were exposed to the exploitation, since its local market price was still high. Further, the diversity and density of species found at Tanjung Pai were poorer compared to the other place in Indonesian waters, such as Derawan Islands of East Kalimantan
ANALISIS USAHA PURSE SEINE DI KECAMATAN JUWANA KABUPATEN PATI Mochammad T.S. Utomo; Suparjo S. Djasmani; Hery Saksono; Suadi Suadi
Jurnal Perikanan Universitas Gadjah Mada Vol 15, No 2 (2013)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.9105

Abstract

The research aimed to analyze fi sh catch, income, cost, and profit of purse seine fisheries in Juwana. Survey was conducted on 29 (twenty nine) purse seine owners as respondents, consisting of one mini purse seiners, five medium purse seiners, and 23 (twenty three) large purse seiners. All of them were interviewed by using questioners. The study showed that average total income per year was Rp1,603,020,400 for the large purse seiners, Rp924,444,000 for medium purse seiners, and Rp1,040,000,000 for mini purse seiners. The average of expense per year was Rp1,362,482,800 for the large purse seiners, Rp912,084,700 for the medium purse seiners, and Rp1,009,650,100 for the mini purse seiners consisting of fixed cost and total variable cost. The average fixed cost of big purse seiners is in amount of 17.5% from total cost (Rp238,392,800), the medium purse seiners is 19.8% (Rp. 180.578.100) and for the mini purse seiners is in amount of 14,8% (Rp149.750.100). The average of total variable cost from the total cost per year was in amount of 82.5% (Rp1.124.090.000) for the large purse seiners, 80.2% for the medium purse seiners (Rp731.506.600), and 85.2% for the mini purse seiners (Rp799.900.000). The net profit were Rp240.537.500 for large purse seiners, Rp12.359.600 for medium purse seiners, and Rp30.349.800 for mini purse seiners, respectively. The study showed that the Renevue-Cost Ratio is more than one, and there fore, purse seine businesses in Juwana generally are feasible to be developed. The purse seiners which were equiped with freezer technology generated higher net profit than others.

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