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Bambang Triyatmo
Department Of Fisheries, Faculty Of Agriculture, Universitas Gadjah Mada.
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Education Immunology & microbiology

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GENETIC GAIN DAN DIFFERENTIAL SELECTION CALON INDUK NILA PUTIH (Oreochromis sp.) JANTI STRAIN SINGAPURA F5 UMUR 5 BULAN YANG DIPELIHARA DI KOLAM AIR DERAS Yuliana S. Rahayu; Bambang Triyatmo; Murwantoko Murwantoko; Toni Kuswoyo
Jurnal Perikanan Universitas Gadjah Mada Vol 15, No 1 (2013)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.9099

Abstract

The purpose of this research was to observe the genetic gain value of 5 months white tilapia breeders of fi fth generation (F5) Singapore strain (ss) Janti compared with fourth generation (F4) and to revealed the differential selection value of 5 months white tilapia breeders of F5 ss Janti from average weight of top 100 compared to average weight of the population. Research was done for 5 months white tilapia (Oreochromis sp.) breeders of F5 ss Janti. The tilapia cultured in running water system for a month. The research performed for 5 months white tilapia breeders of ss Janti through individual selection method (selective breeding). The white tilapia breeders ss strain used in this research consisted of 400 male and 400 female. The selection of the white tilapia was done randomly. Parameter measured included total weight, length, survival rate, feed amount and water quality for culturing. The result showed that the F5 had increased growth weight of each individual with genetic gain value against the F4 was 30.12 % for the male and 27.92 % for female. The genetic gain value was better than several other selective breeding of tilapia before. The top 100 average weight of the 5 months white tilapia Janti breeders of F5 ss strain (184.03 ± 22.87 g to 224.88 ± 24.31 g) was  higher than average weight of the population (131.27 ± 38.98 g to 163.31 ± 47.17 g). The differential selection value of white tilapia breeders was 37.70 g for male and 40.19 g for female. The weight of male tilapia population was less various than female ones.
PENERAPAN CARA BUDIDAYA IKAN YANG BAIK PADA PEMBESARAN UDANG VANAME (Litopenaeus vannamei) DI PESISIR DAERAH ISTIMEWA YOGYAKARTA Lucky Restyan Nugroho; Sukardi Sukardi; Bambang Triyatmo
Jurnal Perikanan Universitas Gadjah Mada Vol 18, No 2 (2016)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jfs.12549

Abstract

This study aims to apply a good fish farming methods and determine factors that influence development the vaname shrimp (Litopenaeus vannamei) in the coast of Yogyakarta Special Region. This research also aims to find out an applicable technology of shrimp aquaculture for fish farmers in the coastal area of Special Region of Yogyakarta. The basic method used in this research is descriptive research with research instrument in the form of a questionnaire. The descriptive research aims to provide a picture of a society, a particular group of people or a picture of a symptom. Data collection techniques are conducted by interviews and structured observation to obtain a more detailed picture of a phenomenon. The location of the research is determined by purposive sampling, focusing on Sidorejo, Banaran, Galur, Kulon Progo, Kuwaru and Ngentak, Poncosari, Srandakan, Bantul. The reason for taking 3 areas is because as the center of production of shrimp vaname first and the longest operates in the coastal area ofSpecial Region of Yogyakarta. Respondents were determined by proportionate random sampling from 3 specified areas. This research took place from June 18, 2015, to July 12, 2015. The results showed the application of the good fish farming method on the activity of enlargement of shrimp vaname (L. vannamei) on the coast of Special Region of Yogyakarta covers 10 parameters. These ten parameters include site selection; determination of construction layout and design; selection of cultivation containers; biosecurity; selection of fish seed (shrimp); use of fish feed (shrimp); use of probiotics; use of disinfectants; harvesting method and harvesting equipment. Application of good fish farming method at vaname shrimp (L. vannamei) aquaculture development in the coast of Yogyakarta Special Region averaged at 62.24%. Factors that influence the application of good fish farming in the shrimp aquaculture development activities are the existence of communication and socialization services on the technical methods for the shrimp aquaculture by employees of feed and probiotics companies. Counseling (communication and socialization), verification (recording) and control in the form of certification has not been done by the Department of Marine and Fisheries of Indonesia. The technology of vaname shrimp farming (L. vannamei) applied by farmers in the coast of Yogyakarta Special Region is semi-intensive technology.
Perception-based Indicator for Sustainability of Shrimp Culture in the Less Favorable Areas at Southern Coast of Yogyakarta Suadi Suadi; Hery Saksono; Bambang Triyatmo
Jurnal Perikanan Universitas Gadjah Mada Vol 21, No 2 (2019)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (4299.197 KB) | DOI: 10.22146/jfs.50960

Abstract

Shrimp farming has been introduced since the mid-1980s at the southern coast of Daerah Istimewa Yogyakarta (DIY). However, the industry was not well growing in the initial stage. The new shrimp development project also promoted in the early of 2000s, particularly in Jangkaran Village, Subdistrict of Temon, Kulon Progo District and Poncosari Village, Subdistrict of Srandakan, Bantul District, but many of shrimp farms fail because of shrimp diseases, lack of capital to recover and shrimp farming experiences. Recently, the shrimp culture industry experienced rapid expansion along the coast of the two districts. This study aimed to determine the profile and growing of shrimp farming at the southern coast of DIY and to identify the technical aspects, social, and economic indicators of sustainable shrimp culture in the less favorable areas. To identify the sustainability of current shrimp culture, the study develop four indicators consist of technical indicators (6 sub-indicators), economic indicators (9 sub-indicators), social indicators (7 sub-indicators), and environmental indicators (8 sub-indicator). The study was conducted during March to October 2014 by using a combination of literature study and survey at two selected villages: Jangkaran and Poncosari Villages. The total 82 respondents were interviewed; consist of shrimp farmers, coastal communities, community leaders, and local government. The study showed that the rapid growing of shrimp farming were caused by several factors, among others: (1) the existence of technological innovation in shrimp farming in the sandy soil areas, particularly the lower cost in the pond investment and the more easier of seawater collecting; (2) high price and market opportunities of the commodity; and (3) changes in the physical environment due to the threat of coastal erosion which damage the fisher livelihood, thus demanding adaptation strategies. Shrimp farmer in average managed 2,138 m2 and implemented intensive to super intensive cultivation technology, with an average stocking density of 144 shrimp/m2. Production per year in average reaches 25.9 ton/ha and generating revenue of IDR286.544.232 per year. The total cost of production is estimated at IDR210.590.175 per year, and generated a net profit of IDR75.954.057 per year. The perception based indicator of sustainability showed the environmental related issues were in average have a low value. Thus, environmental regulation of aquaculture is an important aspect to be considered in promoting sustainable development of shrimp farming at the southern coast of the province.
Protective Effect of Microbubble Aeration and Dietary Probiotics BALSS on Survival and Immunity of White Leg Shrimp (Litopenaeus vannamei) Postlarvae against Acute Low Salinity Stress Shima Bhaskara Ayuningrum; Indah Istiqomah; Rustadi Rustadi; Bambang Triyatmo; Alim Isnansetyo; Wiratni Budhijanto; Deendarlianto Deendarlianto
Jurnal Perikanan Universitas Gadjah Mada Vol 22, No 1 (2020)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (481.791 KB) | DOI: 10.22146/jfs.51258

Abstract

Survival rate and immunity of white leg shrimp ((Litopenaeus vannamei) postlarvae against acute salinity stress were evaluated in indoor experimental trials. The research was conducted with 2x2 factorial design with two levels of aeration (microbubble and macro bubble) and two levels of diet (with and without probiotics) resulting four treatments in triplicate: application of microbubble with gut probiotics (MiP), without gut probiotics (MiC), and macro bubble with gut probiotics (MaP) and without probiotics (MaC). White leg shrimps measuring 7.6 g were maintained in the tanks for 60 days and fed five times a day at a dose of 5% biomass. Harvested shrimp were tested for low salinity stress (5 ppt) for 3 hours. Glucose level, total protein, bactericidal activity, natural agglutination, phenoloxidase, respiratory burst, and superoxide dismutase activities in the hemolymph and the shrimp survival rate (SR) were analyzed before and after the stress tests. Although all examined parameters remained the same between groups before the stress test, significant differences were found among them after the stress test. Microbubble aeration obtained stabilization of hemolymph glucose level, best survival rate, bactericidal activity, and agglutination activities. No significant effect was resulted by the dietary probiotic treatments, but the interaction with aeration treatments revealed the importance to compensate shrimp survival rate when microbubble aeration is unavailable.
Uji Aerasi Microbubble dalam Menentukan Kualitas Air, Nilai Nutrition Value Coefficient (NVC), Faktor Kondisi (K) dan Performa pada Budidaya Nila Merah (Oreocrhomis Sp.) Heriyati, Eny; Rustadi, Rustadi; Isnansetyo, alim; Triyatmo, Bambang
Jurnal Pertanian Terpadu Vol 8 No 1 (2020): Jurnal Pertanian Terpadu Jilid VIII Nomor 1 Juni 2020
Publisher : Sekolah Tinggi Pertanian Kutai Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36084/jpt..v8i1.232

Abstract

Penelitian ini betujuan untuk menguji penggunaan aerasi microbubble pada parameter kualitas air, performa, nilai NVC dan factor kondisi perairan. Ikan berukuran 12±3 g, sebanyak 50 ekor dipelihara selama 3 bulan dengan perlakuan aerasi micobubble, aerasi konvensional dan non aerasi dalam system resirkulasi. Parameter yang dianalisa dalam penelitian ini menunjukkan nilai DO aerasi microbubble lebih tinggi dan tetap bertahan lama sampai akhir penelitian dibandingkan aerasi konvensional dan control (p<0,05), demikian juga dengan suhu air. Parameter kualitas air lainnya tidak dipengaruhi oleh perlakuan aerasi, dan masih menunjukkan nilai yang normal untuk budidaya nila, kecuali ammonia pada semua perlakuan menunjukkan nilai yang melebihi standar SNI. Pengaruh stabilnya nilai DO yang dihasilkan oleh aerasi microbubble berpengaruh pada performa nila, yang mampu meningkatkan ukuran bobot ikan tiap ekor dan meningkatkan biomasa ikan 268 % dari kontrol dan 32,5 % lebih tinggi aerasi konvensional. Dalam penelitian ini nilai factor kondisi dan NVC dari semua perlakuan menunjukkan nilai yang relative sama. Kesimpulan dari penelitian ini adalah, meskipun nilai kondisi dan NVC tidak dipengaruhi perlakuan aerasi, namun aerasi microbubble mampu meningkatkan DO, pertumbuhan dan biomasa ikan.
Co-Authors Alim Isnansetyo ALIM ISNANSETYO Arki Y. Arsono Bostang Radjagukguk Deendarlianto Dian Ambarwati Djumanto Djumanto Eko Hanudin Eny Heriyati, Eny Hery Saksono Hery Saksono Ign. Hardaningsih INDAH ISTIQOMAH Iwan Yusuf Bambang Lelana Iwan Yusuf Bambang Lelana Lucky Restyan Nugroho Muhotimah Muhotimah Mulyono Nitisapto Murwantoko . Namastra Probosunu Rustadi Rustadi Shima Bhaskara Ayuningrum Suadi Suadi Suadi Suadi Sukardi Sukardi Sukardi Sukardi Susilo B. Priyono Toni Kuswoyo Toni Kuswoyo Ustadi Ustadi Wiratni Budhijanto Yuliana S. Rahayu