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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 23 Documents
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Search results for , issue "Vol 8, No 2 (2006)" : 23 Documents clear
Keragaman Jenis dan Distribusi Ukuran Panjang Ikan Terbang di Perairan Indonesia Timur Augy Syahailatua; Asikin Djamali; Petrus Makatipu; Syamsu A. Ali
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.149

Abstract

Research on flyingfishes in 2004 was aimed to know their species diversity and length distribution. Two locations were selected as sampling sites such as Flores Sea and Sulawesi Sea. Samples were collected in Takalar from May to July 2004 represented samples from Flores Sea, and in Manado and Tahuna in November 2004 represented samples from Sulawesi Sea. All samples were caught by local fishermen who operated a gillnet. There were 7 species identified from Flores Sea, i.e. Cheilopogon abei, Cheilopogon spilonopterus, Cheilopogon spilopterus, Cheilopogon suttoni, Cypselurus poecilopterus, Hirundichthys oxycephalus and Parexocoetus mento, whereas from Sulawesi Sea, Cheilopogon cyanopterus and Cheilopogon spilopterus were identified. The average total length of C. spilopterus collected in May-July 2004 was longer than 200 mm and were no variation amongst months, while Cheilopogon spp. sampled from Sulawesi Sea was longer than 250 mm. The flyingfish samples were mostly in adult stage and had spawned.
Jumlah dan Kualitas Kista Artemia pada Berbagai Tingkat Perubahan Salinitas Dade Jubaedah; D. Djokosetiyanto; A. Fairus Mai Soni
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.140

Abstract

The objective of this research was to know the optimum salinity changes to improve quantity and quality of cyst produced by Artemia. This experiment used completely randomized factorial design. Factor a was salinities changes at day-9 (A) and day-15 (B) of culture. Factor b consisted of four salinity increasing treatments, which were I (100, 100, 100, 140 ppt); II (100, 100, 140, 140 ppt); III (100, 140, 140, 140 ppt) and IV (100, 110, 125, 140 ppt). The highest fecundity was obtained by B.I treatment. The highest quantity of the cysts was produced by A.III treatment. Treatment of A.I produced cysts with the highest protein content. These results showed that the high quality and quantity of cysts was obtained when salinity increase started at day-9 of culture.
Koefisien Variabilitas Genetik dan Nilai Duga Heritabilitas Karakter Pertumbuhan Ikan Nila GIFT di Sukamandi Didik Ariyanto
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.154

Abstract

This study conducted to identify the genetic variability and heritability of nile tilapia strain GIFT (Genetic Improvement of Farmed Tilapia) cultured in Sukamandi, West Java. Analysis of morphology was measured with the conventional morphometric including total length, standard length, head length, maximum body depth, maximum body thickness and maximum body outliner. Genetic variability and broad sense heritability estimated with genotype and phenotype variance. The result showed that coefficient of genetic variability of total length, standard length, head length, maximum body depth, maximum body thickness and maximum body outliner were in low to moderate categories (0.48-3.78) and broad sense heritability estimation for this characters were in high categories (0.70-0.76).
Fisiologi Penglihatan Ikan Selar (Selar crumenophthalmus) dan Aplikasinya dalam Proses Penangkapan Ikan dengan Mini Purse Seine Aristi Dian Purnama Fitri
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.145

Abstract

Research about visual physiology of Bigeye as a group of tropical fish was still limited. The aim of this research was to know visual physiology of Bigeye, and the application in arrest process of fish catch of mini purse seine. Retina of fish samples with the total length of size 205-260 mm were analyzed by histological observation and calculation of formula in order to know visual acuity and maximum sighting distance, and then application process at mini purse seine to know getting away model of appliance coverage catch. Visual acuity of Bigeye ranged from 0.09 to 0.1. The object was net of mini purse seine diameter of 1.90-22.00 mm and maximum sighting distance of 0.39-7.17 m. Get away time of Bigeye were 7.45 sec; 6.45 sec; and 5.70 sec at condition of sustained speed; prolonged speed; and burst speed, respectively. Appliance time of mini purse seine to circle of perfection was 290.82 second.
Analisis Pigmen dan Aktivitas Antibakteri In Vitro Pigmen Astaksantin Kepiting (Grapsus albolineatus Lamarck) Jantan Aswan Thamin; Chairulwan Umar; Darussadah Paransa
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.133

Abstract

Grapsus albolineatus is one of marine crustaceans which have carotenoid (astaxanthin) pigment. This research was conducted to analyze carotenoids (astaxanthin) extracted from G. albolineatus, and evaluate their in vitro antibacterial activity. The research was done in March-July 2002. Samples were collected from Manado Gulf, North Sulawesi. The result indicated that the carapace contained 4 carotenoids namely ß-caroten, ecinenon, astaxanthin diester, and astaxanthin monoester. In addition, the epidermis contained free astaxanthin. In vitro antibacterial activity test indicated that astaxanthin had low bacteriostatic activity against Psedomonas aeruginosa, Enterobacter cloacae, Staphylococcus aureus, and Proteus stuartii.
Pengaruh Pengolahan dengan Microwave terhadap Kandungan Asam Lemak Omega-3 Filet Ikan Kembung Laras Rianingsih; Siti Ari Budhiyanti; Nurfitri Ekantari
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.150

Abstract

The effects of cooking by microwave oven on the moisture content, lipid content, iodine value, and omega-3 fatty acid composition of scad fish (Rastrelliger sp.) fillets were determined. The objective of the study was to find the effect of cooking by microwave oven in the fillet. The scad fish fillets were cooked by different power level and times. The moisture content, lipid content, iodine value, EPA and DHA of flesh were changed by cooking. Cooking by microwave oven decreased EPA and DHA composition. The decreasing of EPA are 6.53%, 15.97%, and 27,69%, respectively for 1/3 cooked, 2/3 cooked, and well cooked at high power level, and 31.21%; 46.37% and 75.91% at medium high power level. Meanwhile, the decresing of DHA were not significantly different compared to the control. Treatment of 1/3 cooked, 2/3 cooked, and well cooked at high power level resulting to the DHA reduction of 1.32 %, 7.52 %, and 9.63 %, respectively, whereas at medium high power level, DHA reduction were 8.09 %, 20.18 % and 23.32 % respectively. The decreasing of EPA and DHA were enhanced by a longer time of cooking. Cooking with high power lever was better than medium high power level.
Struktur Populasi Karang Pocillopora damicornis di Pulau Panjang, Jawa Tengah Munasik Munasik; Suharsono Suharsono; Jesmandt Situmorang; Kamiso Handoyo Nitimulyo
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.155

Abstract

The scleractinian coral Pocillopora damicornis was abundant in both southern and northern of Panjang Island, Central Java. The aim of this study was to observe the colony distribution and population structure of coral P. damicornis at Panjang Island, Central Java. Quadrates transect (4 x 4 m) were applied in eight census lines perpendicular to the seaward edge of the coral zone. For the study of coral density and colony size-frequency distribution, the quadrates transects also placed parallel with shoreline in northern and southern sites of Panjang Island. The coral was occurred from 0.4 to 5 m water depth and most abundant in the front reef zone of the southern site. The maximum density was occurred in southern site (1.06 colony/m2), with aggregated at the 117-184 m on the census line. Coral size in terms of maximum diameter ranged from 1 to 35 cm with an average 12.76 ± 7.3 cm in southern site and 17.7 ± 10.76 cm in the northern site. The study showed that coral colony size-frequency distribution of P. damicornis was different between southern and northern site.
Kegiatan Penangkapan Ikan di Suaka Perikanan Sungai Sambujur Daerah Aliran Sungai Barito Bagian Tengah, Kalimantan Selatan Dadiek Prasetyo
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.146

Abstract

The objectives of this research were to provide data on fishing gears and methods in fisheries reserve of Sungai Sambujur, South kalimantan. Data were collected by purposive sampling survey method. The result showed that there were 6 fishing gears operated in Sungai Sambujur fisheries reserve: hampang, pengilar, lukah, luntak, rengge and kawat. Fishing gear which was able to catch fish with the most variety was hampang, followed by luntak, rengge, lukah, pengilar and kawat. Fish catching season was from May to December and July was a peak of catching season. On the other hand, the height of water level occured from 2 to 7 m.
Subsitusi Protein Hewani dengan Tepung Kedelai dan Khamir Laut untuk Pakan Patin (Pangasius sp.) dan Kerapu Tikus (Cromileptes altivelis) Mivida Febriani
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.136

Abstract

The objective of this research was to know protein and energy digestibilities of marine yeast, as substitution for soybean meal in the ration of patin (Pangasius sp.) and humpback grouper (Cromileptes altivelis).This experiment used completely randomized design with four treatments in triplicates. The treatments were R1 (100% animal protein); R2 (90% animal protein+10% soybean meal); R3 (90% animal protein+5% soybean meal+5% marine yeast); and R4 (90% animal protein+10% marine yeast). The digestibility of protein in ration of patin was significantly different (P<0.01). Marine yeast in patin ration also improved the growth rate (P<0.05). Substitution soybean meal with marine yeast in ration of patin was not influence the energy digestibility and feed conversion ratio (FCR) (P>0.05). Rations with 5 and 10% of marine yeast improved energy and protein digestibility, growth rate and decreased the FCR. Digestibilities of protein and energy, growth rate and FCR in humpback grouper were significantly different (P<0.01) among treatments. Marine yeast in ration of humpback grouper increased digestibilities of protein and energy. However, substitution of animal protein with soybean meal and marine yeast decreased growth rate and improve FRC in humpback grouper.
Pengaruh Komposisi Tepung Tapioka dan Daging Serpih Marlin Hitam Terhadap Karakteristik dan Tingkat Kesukaan Fish Nugget Latif Sahubawa; Siti Ari Budhiyanti; Aprianti Natia Sary
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.151

Abstract

Fish nugget is a product that made from mixture of minced fish meat, tapioca powder, and condiments. This product can be frozen or saved in cold storage before fried. The objectives of this research were to utilize Black Marlin chunk meat residue in making fish nugget and to know the influences of tapioca powder addition to fish nugget’s characteristics and acceptability. This experiment used Complete Block Randomized Design with six treatments of tapioca powder addition, that consist of a1 (3%), a2 (6%), a3 (9%), a4 (12%), a5 (15%), and a6 (18%), with three repetition as block. Protein content, elasticity, and organoleptic test (color, flavor, taste, and texture) of final product were analyzed. The addition of 3%, 6%, 9%, 12%, 15% and 18% tapioca powder resulting to the reduction of protein content as much as 0%, 4.92%, 10.96%, 11.69%, 13.76% and 15.03%, respectively, and increase the elasticity to 0.51, 0.57, 0.60, 0.68, 0.76 and 0.86 N/mm, respectively. The highest acceptance value of fish nugget color, flavor, taste, and texture were 3.75 (a2), 3.63 (a5), 4.11 (a1), and 3.9 (a5), respectively, whereas the lowest were 3.49 (a6), 3.5 (a6), 3.05 (a6), and 2.98 (a1), respectively. The favorite fish nugget chosen by panelists was a2 treatment nugget with the highest total score of acceptance of 4.00.

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