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All Journal Jurnal Biologi Tropis Albacore : Jurnal Penelitian Perikanan Laut Jurnal Media Akuakultur Indonesia
Syamsul Bachri
Program Studi Manajemen Sumber Daya Perairan, Fakultas Peternakan Dan Perikanan, Universitas Samawa, Sumbawa, Nusa Tenggara Barat, Indonesia
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Immunology & microbiology

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Growth and Graduation of Vannamei Shell Life (Litopenaeus Vannamei) with Feeding Tray (ANCO) System in AV 8 Lim Shrimp Organization (LSO) in Sumbawa District Syamsul Bahri; Dwi Mardhia; Osi Saputra
Jurnal Biologi Tropis Vol. 20 No. 2 (2020): Mei - Agustus
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v20i2.1812

Abstract

Vannamei shrimp species look for lunch and dinner. These properties need to be known related to the amount of feed and frequency of feeding to be given. Because wasted feed is expensive and can reduce water quality, optimizing feeding practices is an important issue in shrimp culture management. The use of some ANCOs is intended to monitor feed consumption and estimate feed adjustments. So it is necessary to conduct research on the growth and graduation of vannamei shrimp (Litopenaeus Vannamei) with the feeding tray (ANCO) system in Av 8 Lim Shrimp Organization (LSO) in Sumbawa Regency. The method used in this research is descriptive method, namely research based on reality and the facts of the situation as it is. The results showed that the amount of feed every week or sampling is always different, this is because the amount of feed adjusted to the addition of shrimp growth every sampling. Addition and reduction of feeding is adjusted to the results of checking feed consumption on ANCO, adding the amount of feeding is done if when checking ANCO there is no feed left. Reduction in the number of gifts is done if when checking ANCO still left feed. In the 8th sampling the amount of feed decreased to 38 kg, this was due to the first partial harvest. In the 10th sampling is the lowest amount of feeding which is 30 kg, this is due to the second partial harvest, but in the 11th sampling the number of feeding again increased so that the shrimp could grow to its maximum potential during panentotal.
PENGARUH UMUR PANEN TERHADAP PERFORMA PERTUMBUHAN, BIOMASSA DAN PRODUKTIVITAS RUMPUT LAUT Kappapycus alavarezii DI TELUK WAWORADA Ardiansyah Ardiansyah; Neri Kautsari; Dwi Mardhia; Yudi Ahdiansyah; Syamsul Bachri; Didit Abdillah
Jurnal Media Akuakultur Indonesia Vol 2 No 1 (2022): Jurnal Media Akuakultur Indonesia
Publisher : Program Studi Budidaya Perairan Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/mediaakuakultur.v2i1.1377

Abstract

Waworada Bay is a water in Bima Regency which has long been used by some people for seaweed cultivation. Currently, seaweed farmers do not know the exact harvest period. This causes differences in the harvest period between farmers. So far, research on the harvest period in Waworada Bay is not yet available. The experiments aimed to assess the ideal period for harvest among the different growth periods (35, 45, and 55 days). This research was conducted in Waworada Bay, Langgudu District, Bima Regency, West Nusa Tenggara from November 2021 to January 2022. Observation variables were absolute growth, growth rate, wet and dry biomass, productivity and water quality (temperature, dissolved oxygen, salinity, pH, brightness, current). The seaweed cultivation method uses the longline method. The results showed that the highest absolute growth was found in the 55-day harvest period (115.70±1.71 g) and the lowest was in the 35-day harvest period (55.10±6.62 g). There was a significant difference in absolute growth between treatments. The growth rate was not significantly different between treatments with a value range of 1.09±0.24 to 3.55±1.39%day-1. Wet biomass ranged from 10,022±397.22 g 12m-1 (harvest period 55 days) to (6.306±149.92 g 12m-1) (harvest period 35 days). Dry biomass ranged from 670±34.12 g 12m-1 to 1.016±53.78 g 12m-1. Productivity ranges from 0.04 to 0.07 g dry weight m−2 days−1. The average water quality values are temperature 32.40 0C, dissolved oxygen 5.84 mg l-1, salinity 32 ppt, pH 7.30, brightness 2.50 m and current 14 cm sec-1.
EVALUASI RAJUNGAN YANG TERTANGKAP OLEH NELAYAN DI PERAIRAN LABUHAN LALAR, SUMBAWA BARAT Nova Novitasari; Neri Kautsari; Yudi Ahdiansyah; Dwi Mardhia; Syamsul Bachri; Muhammad Nur
ALBACORE Jurnal Penelitian Perikanan Laut Vol. 7 No. 1 (2023): Albacore
Publisher : Departemen PSP IPB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/core.7.1.197-208

Abstract

Kementerian Kelautan dan Perikanan menetapkan ukuran layak tangkap rajungan pada permen No.16/Permen-KP/2022, namun belum dilakukan evaluasi hasil tangkapan nelayan secara optimal. Perairan Labuhan Lalar adalah salah satu perairan yang belum dievaluasi hasil tangkapannya. Penelitian ini bertujuan untuk mengevaluasi hasil tangkapan rajungan (jenis, rasio kelamin, ukuran dan proporsi layak tangkap) di perairan Labuhan Lalar. Penelitian dilakukan dari bulan Januari hingga Maret 2022. Sampel rajungan diambil dari hasil tangkapan nelayan. Sampel rajungan diindentifikasi untuk mengetahui jenisnya, kemudian diukur lebar karapas dan bobotnya. Pengambilan data dilakukan setiap satu minggu sekali. Wawancara dilakukan untuk memperoleh informasi tentang alat tangkap dan waktu penangkapan. Hasil penelitian menunjukkan bahwa terdapat dua jenis rajungan (Portunus pelagicus dan Portunus sanguinolentus). P. pelagicus didominasi oleh ukuran lebar karapas 9,50 – 10, 40 cm dan bobot 51 – 70 gr sedangkan pada P. sanguinolentus didominasi oleh ukuran 8,60 – 9,50 cm dan bobot 21–30 gr. Rasio kelamin pada P. pelagicus adalah 1,22:0,82 sedangkan pada P. sanguinolentus adalah 0,64:1,56. Terdappat 55% P. pelagicus dan 99% P. sanguinolentus yang ukuran karapasnya <10 cm. Terdapat 45% jenis P. pelagicus dan 98% pada jenis P. sanguinolentus memiliki bobot <60 gram
Co-Authors Ardiansyah Ardiansyah Didit Abdillah Dwi Mardhia Muhammad Nur Neri Kautsari Nova Novitasari Osi Saputra Yudi Ahdiansyah, Yudi