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All Journal Samakia: Jurnal Ilmu Perikanan JAPI: Jurnal Akses Pengabdian Indonesia
Supriatna
Fakultas Perikanan Dan Ilmu Kelautan, Universitas Brawijaya, Malang.
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Economics, Econometrics & Finance Health Professions Immunology & microbiology Nursing Public Health Other

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Water Quality Relationship with FCR Value in Intensive Shrimp Culture of Vannamei (Litopenaeus vannamei) Heri Ariadi; Abdul Wafi; Supriatna
Samakia : Jurnal Ilmu Perikanan Vol 11 No 1 (2020): Samakia: Jurnal Ilmu Perikanan
Publisher : Faculty of Science and Technology University Ibrahimy

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (276.542 KB) | DOI: 10.35316/jsapi.v11i1.653

Abstract

FCR or feed conversion ratio is one of the strategic indicators on pond production which is very important for determining the costs incurred during the shrimp culture period. The purpose of this study was to examine the relationship between water physico-chemical parameters and the conversion rate of shrimp feed in intensive shrimp ponds (Litopenaeus vannamei). The research method used in this study is the ex-pose facto design during shrimp culture cycle with uniformity of treatment during the cultivation process, then the research collective data obtained periodically is analyzed by multiple linear regression. The results of this study indicate that all pond water quality variables based on quality standards are still in accordance with the standards intended for aquaculture. While based on regression analysis and t-test, the temperature variable is the only parameter that has a direct influence on the FCR efficiency by shrimp. As well as temperature, salinity, and alkalinity variables are parameters that have a close level of relationship to the FCR value in the ponds of 84.1%, 79.1%, and 69.9%. The conclusion of this study is that in intensive ponds the parameters of temperature, salinity, and alkalinity are water quality parameters that have a close relationship with the efficiency of FCR values ​​in ponds, with temperature parameters being the water quality variable which has a direct influence on the effectiveness of the feed conversion ratio by shrimp.
Keterkaitan Hubungan Parameter Kualitas Air Pada Budidaya Intensif Udang Putih (Litopenaeus vannamei) Heri Ariadi; Abdul Wafi; Muhammad Musa; Supriatna Supriatna
Samakia : Jurnal Ilmu Perikanan Vol 12 No 1 (2021): Samakia: Jurnal Ilmu Perikanan
Publisher : Faculty of Science and Technology University Ibrahimy

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (241.072 KB) | DOI: 10.35316/jsapi.v12i1.781

Abstract

Water quality parameters play an important role in intensive pond ecosystems. The purpose of this study was to determine the relationship between of water quality parameters in intensive shrimp farming of L. vannamei. This research was carried out for 95 days of intensive shrimp farming in PT. Menjangan Mas Nusantara Company, Banten, with the physical, chemical, and microbiological parameters of water as the main reference object of observation. The results showed that during the shrimp culture period the pond water quality parameter concentration was considered to be quite optimal with a stable fluctuation trend, except for the salinity and TOM parameters whose values ​​were above the water quality standard. Correlation test results state that between the physical chemical parameters have a strong and heterogeneous relationship, with the strongest parameters of pH, phosphate, nitrite, and TOM. As for the microbiological variables, the correlation of physical chemistry parameters of water is considered to be very weak, because from the correlation test results, only DO parameters showed the correlation with microbiological parameters. The conclusion of this study, that during intensive shrimp culture period, the physical and chemical parameters of water have a strong correlation of association between one another and the highest are pH, phosphate, nitrite, and TOM, but only dissolved oxygen parameters that show the relationship correlation with microbiological parameters.
Model Simulasi Panen Parsial Pada Pengelolaan Budidaya Intensif Udang Vannamei (Litopenaeus vannamei) Abdul Wafi; Heri Ariadi; Mohamad Fadjar; Mohammad Mahmudi; Supriatna Supriatna
Samakia : Jurnal Ilmu Perikanan Vol 11 No 2 (2020): Samakia: Jurnal Ilmu Perikanan
Publisher : Faculty of Science and Technology University Ibrahimy

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (576.626 KB) | DOI: 10.35316/jsapi.v11i2.928

Abstract

Panen parsial adalah metode panen sebagian biomassa udang pada saat kegiatan operasional budidaya sedang berlangsung. Tujuan dari penelitian ini adalah menentukan konseptual model optimalisasi pengelolaan budidaya udang vannamei (L. vannamei) pola intensif berdasarkan prosentase estimasi panen parsial. Penelitian ini dilaksanakan dengan konsep desain kausal ex-post facto selama satu siklus budidaya intensif udang vannamei (L. vannamei). Hasil dari penelitian menunjukkan, selama masa budidaya parameter kualitas air yang meliputi pH, suhu, oksigen terlarut, nitrit, dan nitrat masih berada dalam ambang batas, sedangkan posfat, TAN, dan TOM berada diatas level ambang batas baku mutu untuk budidaya udang intensif. Untuk konsep model simulasi pengelolaan budidaya intensif dari skenario panen non-parsial, parsial 10%, dan parsial 20%. Sistem panen parsial 10% memiliki beberapa keunggulan dibandingkan dua sistem panen lainnya. Yakni, dengan diterapkannya simulasi panen parsial 10% didapatkan nilai efisiensi biomassa panen sebesar 88.08 kg dan efisiensi prosentase survival rate udang sebesar 11% dibandingkan dengan konsep panen parsial 20% atau non-parsial. Sehingga dapat disimpulkan, bahwa untuk konsep model pengelolaan budidaya udang vannamei (L. vannamei) pola intensif yang paling optimal berdasarkan hasil simulasi sistem pemodelan dinamis adalah konsep model budidaya panen parsial 10% dengan pelaksanaan panen parsial pada saat budidaya umur 60 hari.
BUDIDAYA RUMPUT LAUT GRACILLARIA WRINGIN ANOM Kusriani Kusriani; Supriatna Supriatna; Putut Widjanarko
JAPI (Jurnal Akses Pengabdian Indonesia) Vol 3, No 1 (2018)
Publisher : Universitas Tribhuwana Tunggadewi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (438.798 KB) | DOI: 10.33366/japi.v3i1.772

Abstract

Tujuan dari kegiatan pengabdian kepada masyarakat ini adalah disseminasi teknologi budidaya rumput laut Gracillaria pada kelompok tani rumput laut Gracillaria di Desa Tanjung Pecinan dan Desa Wringin Anom. Penerapan teknologi budidaya rumput laut gracillaria diharapkan dapat membantu meningkatkan pendapatan para pembudidaya rumput laut gracillaria. Metode yang digunakan dalam kegiatan ini adalah PRA (Participatory Rural Appraisal) yaitu melibatkan masyarakat dalam kegiatan. Pelaksanaan kegiatan ini meliputi sosialisasi (penyuluhan), pelatihan, pilot project (demplot), monitoring dan evaluasi keberhasilan program. Hasil pengabdian masyarakat ini diharapkan ada perubahan pola fikir dalam cara budidaya rumput laut Gracillaria. Hasil pengabdian menunjukkan adanya perubahan pola fikir budidaya rumput laut Gracillaria yang ditunjukkan dengan hasil panen rumput laut meningkat dari segi kuantitas maupun kualitas.
Co-Authors Abdul Wafi Heri Ariadi Kusriani Kusriani MOHAMAD FADJAR Mohammad Mahmudi Muhammad Musa Putut Widjanarko