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All Journal Jurnal Akuakultur Indonesia Jurnal Akuakultur Rawa Indonesia Zuriat BERITA BIOLOGI JURNAL BIOLOGI INDONESIA LIMNOTEK - Perairan Darat Tropis di Indonesia Indonesian Aquaculture Journal Jurnal Riset Akuakultur Media Akuakultur EKOLOGIA : Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup

Jojo Subagja

Balai Riset Perikanan Budidaya Air Tawar dan Penyuluhan Perikanan

Author-ID : 386892

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Environmental Science Immunology & microbiology Mathematics

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Aspek Ekologi Ikan Kancera (Tor soro) Kuningan dan Pematangan Gonad Melalui Implantasi Hormon Gonadotropin (HCG) Subagja, Jojo; Sulhi, M.; Asih, Sidi; Haryono, Haryono
JURNAL BIOLOGI INDONESIA Vol 5, No 3 (2009): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

ABSTRACTEcological Aspect and Gonadal Maturation of Tor soro by HCG peletted Implantation. Theexperiment was conducted to determine optimal dosage of Gnrh-a hormon at gonadal maturationof mahseer from Kuningan (Tor soro). The fish was reared in concrete tanks (60m2). Thehormon was used for implantation is HCG (pregnyl). The different dosage of hormon are 250Iu/Kg-1 ; 500 Iu/Kg-1 ; 750 Iu/Kg-1 . The result of this reaserch showed that egg development isMei-Juni (average of egg diameter is 1,4 mm) and Januari (average of egg diameter is 1,35 mm),Other month, the egg diameter was not develop or atresia. Treatment with 500 Iu/Kg-1 dossageshowed the best effect on oosit diameter was at 21 day and 63 day from first oosit diameter of0,9 mm to 1,4 mm.Keywords: Seasonal changes, gonadal maturation, implantation, kancera (Tor soro)

Pertumbnhan Ikan Tambra (Tor tambroides) dan Kancera (Tor soro) Pada Proses Domestikasi dengan Jenis Pakan yang Berbeda Haryono, Haryono; Subagja, Jojo
JURNAL BIOLOGI INDONESIA Vol 4, No 3 (2007): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v4i3.3261

ABSTRACTThe Growth of Tarnbra fish (Tor tambroides) and Kancera fish (Tor soro) inDomestication Process with Different Fed. The experiment was conducted toevaluate the growth of two mahseer (tambra and kancera) from Muller Mountainareas in Central Kalimantan which were different fed in aquarium i.e: A. Frozenworm, B. Fish feed, and C. shrimp feed. The experiment follows Randomized CompleteDesign Methods. The replication of treatment is three times, each aquarium filled with1 individual as treatment and replication. They were fed daily for 100 days andmeasured each 20 days. The results showed shrimp feed gave growth fastest (0.460gldays), and the lowest is 0.170 gldays; the growth oftambra fish faster than kancerafish. The water quality of aquarium is suitable for growing these fish.Kata kunci: Growth, Tambra fish (Tor tambroides), Kancera fish (Tor soro), Fed

NILAI HETEROSIS DAN PERANAN INDUK PADA KARAKTER PERTUMBUHAN HASIL PERSILANGAN INTERSPESIFIK Tor soro DAN Tor douronensis [Growth Heterosis Values and The Role of Parent Tor soro and Tor douronensis in Interspesific Crossed] Radona, Deni; Subagja, Jojo; Kusmini, Irin Iriana; Gustiano, Rudhy
BERITA BIOLOGI Vol 15, No 2 (2016)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Fish Tor is one of potential fish commodities to be developed because of their economic value. This on experiment was designed to evaluate the effect of male and female parent on morphological characters i.e length and weight growth and the value of heterosis from crosses of Tor soro and Tor douronensis. Crosses were performed in both directions (reciprocal) to form four populations. Observations lenght, weight gain, specific growth in length, specific growth in weight and value of heterosis were carried out for two months (January-March, 2014). The results showed an increase of Â length, weight, specific growth in weight, specific growth in length occurred in seed produced from parent male of T. soro and female of T. douronensis with values of 0.54 cm, 0.09 g, 0.65 % and 3.79 %, rescpectively. Crossed of ? T. douronensis x ? T. soro yield heterosis value (partial) of length (40.90%) and weight (116.66%) was higher than crossed of ? T. soro x ? T. douronensis Â that only have heterosis value of 0 and 33.33 %, and heterosis value (reciprocal) on the length of 20.45 % and the weight of 45.22 %.

PENINGKATAN PRODUKSI BENIH BAUNG {Mystus nemurus) MELALUI PERBAIKAN KADAR LEMAK PAKAN INDUK Suhenda, Ningrum; Samsudin, Reza; Subagja, Jojo
BERITA BIOLOGI Vol 9, No 5 (2009)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

The production of good quality seed for culture purpose begins with proper attention to the nutritional requirements of the parental broodstock. The objective of this research was to know the level of lipid in broodstock feed to reach good seed production.The experiment was conducted in concrete ponds located at Research Instalation for Aquaculture Environment and Toxicology,Cibalagung, Bogor. Broodstock with average individual body weight of 420.8 Â± 72.10 g were cultured in concrete pond 3.5 x 2.53x 0.8 m with stocking density of 15 fish/pond. Pelleted fish with 35% protein content and different lipid level of 4, 6, 8, 10, and 12 % were given with daily ratio 2 % of body weight. Gonadosomatic index, ovosomatic index; the weight, the number and the diameter of egg; fertilization rate, hatching rate, percentage of larva produced and daily growth rate and survival rate of 21 days old seed were observed. The result showed that there were no significant difference (P>0.05) among treatments for all parameters except for the diameter of the egg. The result showed that all of the broodstock were matured in three months.Gonadosomatic index were ranged between 13.69-16.65%, ovosomatic index: 11.26-14.62%. The weight of the egg varied from 1.45-1.69 mg/egg with the diameter in between 1.37-1.66 mm. The number of eggs per kg broodstock varied from 74,473-88,787 with fertilization rate of : 67.15-93.29%, and hatching rate were ranged from 88.33%-96.62%. The feed with 8% lipid level showed the highest value of gonadosomatic index (16.65%), fertilization rate (93.29%), percentage of larva produced (90.14%), egg weight (1.69 mg) and egg diameter (1.66 mm). Average daily growth rate of the 21 days old offsprings was 18.12%-19.25% with survival rate of 60.25%-75.50%. The feed with 8% lipid level tends to give the best effect on the reproduction parameters and the performances of the seed.

HUBUNGAN PANJANG DAN BERAT, FAKTOR KONDISI , FEKUNDITAS, DAN PERKEMBANGAN TELUR IKAN TENGADAK (Barbonymus schwanenfeldii) DARI SAROLANGUN, JAMBI DAN ANJONGAN, KALIMANTAN BARAT, INDONESIA Kusmini, Irin Iriana; Subagja, Jojo; Putri, Fera Permata
BERITA BIOLOGI Vol 17, No 2 (2018)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Tinfoil barb (Barbonymus schwanenfeldii) is one of the potential local fish to be cultivated as a food or pet fish. The data and information of the growth pattern of species are essential for fish farming success. The observation on the length and weight relationship is an usefull indicator to determine the pattern of growth fish observed. This study aims to determine the growth patterns of tinfoil barb fish based on length and weight relationship, condition factor and fish fecundity of tinfoil barb from Sarolangun, Jambi and Anjongan, West Kalimantan. The 30 samples were taken randomly from each group. Data were analyzed using analysis regression Microsoft Excel. The result showed that the regression coefficient of length and weight relationship was 2.811 for Sarolangun and 2.686 for Anjongan. The regression value indicates that the the growth of tinfoil barb was allometric negative, with an average factor condition ranged from 0.99 to 1.002. Length and weight relationship had determinant value (R2) ranged from 0.79 to 0.96, with the fecundity ranged from 20168 to 232.040 eggs from 9â45.5g of gonad weight.Â

PROFITABILITAS DAN KERAGAAN PERTUMBUHAN BENIH IKAN Tor tambroides DENGAN FREKUENSI PAKAN YANG BERBEDA Subagja, Jojo; Radona, Deni
BERITA BIOLOGI Vol 17, No 2 (2018)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Fish of Tor genus have a slow growth character that resulted in increasing production cost. The high production cost is related to the high price of feed. Fish growth can be triggered by an optimal feeding. A feeding strategy is needed to improve the efficiency of production cost. This study aimed to determine the profitability and the performance of the seedling thai mahseer fish with different feeding frequencies. This study was conducted in Germplasm Research Station, Cijeruk in March-April 2014. The fish used in the experiment have a standard length of 2.29 Â± 0.12 cm and weight of 0.32 Â± 0.07 g derived from induced breeding spawning of the broodstock natural catches which was adapted for four years in pond concrete. The fish were reared in the aquarium (dimension= 40 x 30 x 30 cm) with a water height of 20 cm and a stocking density of 50 individuals each. The experiment was designed by using three treatments and three replications for each treatment. Fish were feed using commercial feed (protein content = 28%) as much as 20% per day of the total biomass. The treatment observed was feeding frequency, namely (A) three times/day, (B) twice/day, (C) once/day. Results of the experiment for 40 days showed that the increasing values of length, weight, specific growth rate, survival rate, biomass and FCR were not significantly difference (P>0.05). The highest benefit value was obtained in the treatment of feeding with a frequency of three times/day (Rp. 332.304 Â± 14.819,-).

TEKNIK INKUBASI TELUR MENGGUNAKAN SISTEM TRAY BERTINGKAT UNTUK MENINGKATKAN DAYA TETAS TELUR IKAN SEMAH (Tor douronensis) Effendi, E. Mulyati; Pratama, Ikhsan; Subagja, Jojo
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Publisher : Fakultas Matematika dan ilmu pengetahuan Alam. Universitas Pakuan.

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (192.705 KB)

Fish eggs semah in cultivating on average only hatch of 67%, so still far stated well and need to do a proper egg incubation technique to increase the degree of hatching. Efforts are being made at other hatcheries as Catfish is using the technique of egg incubation method of stagnant water and MacDonald jars, but this system still has flaws, that can lead to poor water quality (stagnant water) and the presence of abnormal larvae (Mac Donald jars). In this study, the technique of egg incubation is carried out using a multilevel system tray modification. The results of the use of multilevel system tray in Aquarium shows very different real power against egg hatch (HR) fish semah, whereas against an increase in the degree of abnormality of fish larvae semah influence is relatively the same.The use of 3-floor tray (A3), can enhance degrees most high 89.19% hatching, larval fish and the degree of abnormality 1.63%. Key words : System tray multilevel, tetas power eggs (HR), the degree of abnormality, Tor douronensis

DERAJAT PENETASAN DAN SINTASAN LARVA IKAN BAUNG (Hemibagrus nemurus) DALAM DUA SISTEM PENETASAN BERBEDA Prakoso, Vitas Atmadi; Subagja, Jojo; Radona, Deni; Kristanto, Anang Hari; Gustiano, Rudhy
LIMNOTEK - Perairan Darat Tropis di Indonesia Vol 25, No 2 (2018)
Publisher : Research Center for Limnology

Show Abstract | Download Original | Original Source | Check in Google Scholar

Salah satu komoditas ikan air tawar di Indonesia yang memiliki prospek untuk budidaya adalah ikan baung (Hemibagrus nemurus). Namun, teknologi budidaya ikan baung masih perlu disempurnakan, khususnya perbenihannya untuk meningkatkan produktivitas budidaya ikan baung. Salah satu teknologi yang dapat dikembangkan adalah melalui teknik penetasan telur. Penelitian ini bertujuan untuk meningkatkan derajat penetasan dan sintasan larva ikan baung melalui dua sistem penetasan yang berbeda. Penelitian dilakukan di Instalasi Riset Plasma Nutfah Perikanan Air Tawar, Cijeruk, Bogor pada bulan Agustus 2017. Telur diperoleh dari induk ikan baung generasi kedua hasil domestikasi (Bobot induk betina: 443,3 ± 70,9 g; Bobot induk jantan: 486,7 ± 83,3 g). Metode penetasan yang diuji yaitu sistem baki (tray) dan corong (funnel) dengan masing-masing sistem penetasan terdiri dari empat ulangan. Parameter yang diamati adalah waktu penetasan, derajat penetasan dan sintasan larva selama dua hari. Pengukuran kualitas air yang diamati meliputi suhu, oksigen terlarut, dan pH. Hasil penelitian menunjukkan bahwa pada kisaran suhu yang sama, larva menetas pertama kali saat 34 jam setelah pembuahan pada sistem corong. Sementara itu pada sistem baki, larva pertama kali menetas saat 36 jam setelah pembuahan. Derajat penetasan pada sistem corong (65,79 ± 5,49 %) lebih tinggi dibandingkan pada sistem baki (30,60 ± 1,91 %) (P<0,05). Sintasan larva ikan baung selama dua hari tidak berbeda nyata antar sistem penetasan. Berdasarkan hasil penelitian ini, dapat disimpulkan bahwa sistem penetasan pada corong menghasilkan waktu penetasan telur dua jam lebih cepat dan derajat penetasan yang lebih tinggi dibandingkan sistem baki.

PENGARUH PERBEDAAN PADAT TEBAR LARVA TERHADAP PERTUMBUHAN DAN SINTASAN PADA IKAN UCENG (NEMACHEILUS FASCIATUS) Subagja, Jojo; Prakoso, Vitas Atmadi; Arifin, Otong Zenal; Kristanto, Anang Hari
BERITA BIOLOGI Vol 18, No 2 (2019)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v18i2.3561

Proper stocking density on larval rearing of barred loach (Nemacheilus fasciatus Valenciennes, 1846) is very important in terms of obtaining the best growth and survival rate. This study was aimed to observe the growth and survival rate of barred loach subjected to different larval stocking density. Fish larvae were obtained by artificial spawning from in aquarium. Larvae were stocked on aquariums (50 × 40 × 30 cm) with three stocking density treatments (5, 10, and 15 individuals/L) and three replications. The experimental fish larvae were fed by Artemia and commercial feed (crude protein content: 30%) and feeding frequency twice per day (ad libitum). The length and weight were reassured every 10 days during 70 days of rearing period. Temperature, pH, and dissolved oxygen were measured at each treatment. Data obtained from measurements were analysed to assess the length gain, weight gain, specific growth rate (SGR), biomass gain, and survival rate. The results showed length gain of 3.35 ± 0.01, 2.94 ± 0.10, and 2.82 ± 0.15 cm and weight gain of 0.573 ± 0.023, 0.436 ± 0.018, and 0.417 ± 0.043 g in larval stocking density of 5, 10 and 15 individuals/L, respectively. Specific growth rates and biomass growth were of 6.22 ± 0.41, 5.93 ± 0.21, and 5.68 ± 0.41 %/day and 94.04 ± 5.39, 146.80 ± 3.81, and 167.24 ± 17.48 g in larval stocking density of 5, 10 and 15 individuals/L, respectively. Meanwhile, the survival rates obtained in this study were 89.13 ± 7.25, 93.13 ± 5.13, and 76.50 ± 3.54 % in larval stocking density of 5, 10 and 15 individuals/L, respectively. Increased stocking density has a negative impact on the growth and survival rate of barred loach.

ASPEK EKOLOGI IKAN KANCERA (TOR SORO) KUNINGAN DAN PEMATANGAN GONAD MELALUI IMPLANTASI HORMON GONADOTROPIN (HCG) Subagja, Jojo; Sulhi, M.; Asih, Sidi; Haryono, Haryono
JURNAL BIOLOGI INDONESIA Vol 5, No 3 (2009): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v5i3.3181

Co-Authors Aliati Iswantari Anang Hari Kristanto Arif Wibowo Arifin, Otong Z Asih, Sidi Asih, Sidi Ath-Thar, M H F Bosman, Ofan Brata Pantjara Cahyanti, Wahyulia Deni Irawan Deni Irawan, Deni Deni Radona Deni Radona, Deni E Mulyati Effendi, E Mulyati Fera Permata Putri, Fera Permata Haryono Haryono Irin Iriana Kusmini Irin Iriana Kusmini, Irin Iriana Iskandar, Andri Kristanto, Anang H Kristanto, Anang Hari Kristanto, Anang Hari Kurniawan Kurniawan Kusdiarti Kusdiarti Kusmini, Irin I Leying, Ananda Ghifari Lies Setijaningsih Mohammad Mukhlis Kamal Mulyasari, Mulyasari Ningrum Suhenda Oktavia, Nia Otong Zaenal Arifin Otong Zenal Arifin Otong Zenal Arifin Prakoso, Vitas A Prakoso, Vitas Atmadi Prakoso, Vitas Atmadi Pratama, Ikhsan Prihadi, Tri H Reza Samsudin RR Sri Pudji Sinarni Dewi Rudhy Gustiano Saputra, Adang Subaryono Subaryono, Subaryono Sulhi, M. Sulhi, M. Sundari, Sri Taufik Budhi Pramono Tri Heru Prihadi Vitas Atmadi Prakoso Wahyulia Cahyanti Yohanna Retnaning Widyastuti Yosmaniar, Yosmaniar

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