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All Journal JFMR (Journal of Fisheries and Marine Research) Eumpang Breuh: Jurnal Pengabdian Masyarakat Tadulako Science and Technology Journal
Muhammad Safir
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Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Engineering Environmental Science Languange, Linguistic, Communication & Media Public Health Social Sciences Other

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PERTUMBUHAN LOBSTER AIR TAWAR Cherax quadricarinatus YANG DIBERIKAN PAKAN SEGAR BERBEDA: GROWTH OF FRESHWATER CRAYFISH Cherax quadricarinatus WHICH IS GIVEN DIFFERENT FRESH FEED Muhammad Safir; Akbar Marzuki Tahya; Hikmah Asdin
JFMR (Journal of Fisheries and Marine Research) Vol. 7 No. 1 (2023): JFMR
Publisher : JFMR (Journal of Fisheries and Marine Research)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jfmr.2023.007.01.9

Abstract

Pengembangan budidaya lobster air tawar jenis Cherax quadricarinatus masih terbatas pada skala kecil. Pengetahuan terhadap domestikasi spesies krustasea tersebut masih terus dipelajari untuk mengembangkan budidaya secara luas, termasuk sosialisasi teknologinya. Salah satu faktor penting yang perlu diketahui untuk mendukung pengembangan budidaya adalah pakan ideal dalam menunjang pertumbuhan. Salah satu upaya yang dapat dilakukan dalam mengoptimalkan pertumbuhan lobster air tawar melalui pemberian pakan dalam bentuk segar dan secara konsisten. Penelitian ini bertujuan mengetahui jenis pakan segar yang dapat memberikan pertumbuhan tertinggi pada lobster air tawar. Penelitian ini terdiri dari 4 perlakuan jenis pakan segar yakni wortel, keong mas, cacing tanah dan ikan teri. Hasil penelitian menunjukkan bahwa pemberian pakan wortel, keong mas, cacing tanah, dan ikan teri menghasilkan pertambahan bobot individu sebesar 0,42; 0,38; 0,49; dan 0,11 g. Laju pertumbuhan harian secara berurut sebesar 0,40; 0,43; 0,69; 0,13%/hari. Hasil analisis menunjukkan bahwa bobot dan pertumbuhan lobster lebih tinggi (p<0.05) diperoleh pada perlakuan pakan cacing tanah (0,49 g dan 0,69%/hari). Kelangsungan hidup untuk semua perlakuan berkisar antara 68,75-87,50% (p>0.05). Penelitian menemukan jenis pakan segar dari cacing tanah Lumbricus rubellus yang menghasilkan respons pertumbuhan lobster air tawar yang tinggi.   Aquaculture of freshwater crayfish Cherax quadricarinatus, is still a small scale. Knowledge of the domestication of these crustacean species is still being studied to develop aquaculture widely, including the socialization of the technology. One important factor that needs to be known to support the development of aquaculture is the ideal feed to support growth. One of the efforts that can be done in optimizing the growth of freshwater crayfish is through the provision of fresh and consistent feed. This study aims to determine the type of fresh-feed that can provide the highest growth in freshwater crayfish. This study consisted of 4 treatments of fresh-feed, namely carrots, gold snails, earthworms and anchovies. The results showed that the feeding of carrots, gold snails, earthworms, and anchovies resulted in an individual weight gain of 0.42; 0.38; 0.49; and 0.11 g. The daily growth rate is 0.40 respectively; 0.43; 0.69; 0.13%/day. The results of the analysis showed that the higher weight and growth of lobster (p<0.05) was obtained in earthworm feed (0.49 g and 0.69%/day). Survival for all treatments ranged from 68.75-87.50% (p>0.05). Study found a type of fresh feed from the earthworm Lumbricus rubellus which resulted in a high growth response of freshwater crayfish.
Mencegah Pemijahan Secara Tidak Terkontrol Dalam Pembesaran Ikan Nila Untuk Mempercepat Waktu Panen Muhammad Safir; Novalina Serdiati; Nasmia Nasmia; Kasim Mansyur; Akbar Marzuki Tahya
Eumpang Breuh : Jurnal Pengabdian Masyarakat Vol 2 No 2 (2023): EUMPANG BREUH : Jurnal Pengabdian Masyarakat
Publisher : Fakultas Pertanian, Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33059/ebjpm.v2i2.8939

Abstract

Nile tilapia (Oreochromis niloticus) is one of the freshwater fish commodities in Indonesia. In aquaculture, Nile tilapia often uncontrolled spawning, leading to inhibited growth, varied harvest sizes, and prolonged harvesting time to achieve the target production size of >250 g/fish. Application of sex reversal on larval stages (1-2 weeks old) and the sorting of Nile tilapia fingerlings (1-2 months old) are efforts that can be undertaken to address these issues. However, generally, the fish farming community in Tulo Rantea Village, Dolo District, Sigi Regency, Central Sulawesi Province, lacks a detailed understanding of the implementation of these technologies. The aim is to facilitate local community in applying the conveyed technology to contribute improvement of local economy. Simulation of the sex reversal method on larvae is conducted using a honey solution at a dosage of 10 mL/L of medium. Meanwhile, the sorting simulation employs a methylene blue solution. Implementation of these activities proceeds smoothly, and enthusiasm of community is notably high. In conclusion, the technology transfer, particularly in preventing uncontrolled spawning in Nile tilapia cultivation to expedite the harvest time, proves effective through simulation. This allows the community to easily understand and apply methods.
Masculinization of Tilapia (Oreochromis Niloticus) by Oral Method Using Senggani Fruit Extract (Melastoma Malabathricum L.) Nopita; Akbar Marzuki Tahya; Muhammad Safir
Tadulako Science and Technology Journal Vol. 4 No. 2 (2024): Tadulako Science and Technology Journal
Publisher : LPPM Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/sciencetech.v4i2.17319

Abstract

Introduction: Tilapia have different growth rates in male and female fish where the growth of male fish is faster than female. Therefore, in tilapia farming activities, the production of tilapia weighing >100g/head is difficult to achieve due to uncontrolled spawning. Method: This study was designed using a completely randomized design (CRD) with 5 treatments and 4 replicates, namely treatment A (control), B (Senggani fruit extract 0.75 g/kg feed), C (extract 1.5 g/kg feed), D (extract 2.25 g/kg feed), E (extract 3 g/kg feed). The organisms used in the study were 7-day-old tilapia larvae. Tilapia larvae were given feed that had been added with Senggani fruit extract according to the treatment dose. Tilapia were reared for 62 days, and given artificial feed containing 41% protein, each feeding was given with a frequency of 3 times a day (morning, afternoon, evening). Results and Discussion: The results showed that the highest percentage of male sex was found in treatments A, B, C, D and E, which amounted to 50; 56.25; 57.5; 58.75; and 60%, respectively. Daily growth rate, survival and feed conversion ratio obtained during the study in each treatment amounted to 7.49, 7.45; 7.44; 7.46; and 7.40. for survival 73.75; 72.5; 72.5; 70; and 68.75 then the results of feed conversion ratio respectively 1.86; 1.88; 1.89; 1.86; and 1.91. The analysis showed that the highest percentage of male sex was found in the treatment of 3 g/kg feed which amounted to 60% (P>0.05). Daily growth rate, survival rate and feed conversion ratio did not significantly affect the treatment given (p>0.05). Conclusion: The results of water quality measurements obtained are still within the optimum limits for tilapia rearing. Conclusion: Feeding using Senggani fruit extract to masculinize tilapia did not have a significant effect (p>0.05) on the percentage of male tilapia, daily growth rate and feed conversion ratio.
Co-Authors Akbar Marzuki Tahya Akbar Marzuki Tahya Hikmah Asdin Kasim Mansyur Nasmia Nasmia Nopita Novalina Serdiati