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Technique for Fattening Mand Crab (Scylla serrata) Using the Apartement System at CV. Istana Kepiting, District Bone Aqza, Darul; Sektiana, Sinar Pagi; Raharjo, Sinung
Jurnal Media Akuakultur Indonesia Vol 3 No 4 (2023): Indonesian Journal of Aquaculture Medium
Publisher : Program Studi Budidaya Perairan Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/mediaakuakultur.v3i4.3355

Abstract

Efforts to fatten Mangrove Crabs, still need to be developed because Mangrove Crabs from fishermen's catches, their bodies are less contained, weight becomes less attractive to consumers, so the economic value decreases. Therefore, the author chose the title Mangrove Crab Fattening Technique (Scylla Serrata) Using Apartment System and Financial Analysis at Cv.Istana Crab, Kab.Bone, South Sulawesi. With the aim of evaluating the technical aspects of fattening Mangrove Crab (S.serrata) by using the Apartment system. Evaluating the fattening cultivation performance of Mangrove Crabs (S.serrata) by using the Apartment system by showing good live growth rate results with Avirage Daily Growt (ADG) of 2-3 g / day. Analyzing the financial aspects of fattening Mangrove Crab (S.serrata) by using the Apartment system with a total profit in one year of Rp.45,420. Identifying problems and compiling proposals for mangrove crab fattening interventions (S.serrata) by using the Apartment system with the Fishbone analysis method there are several factors that are the problem of not achieving SR targe in the company including human factors (Man) that lack discipline, methods (Methods) that are not good in handling and controlling water quality, tools (Machines) that still have some tools less than capacity, and materials (Materials) that need to be selected for good and healthy seeds based on company goals.
Aplikasi Pemberian Dosis Pupuk Provasoli’s Enriched Seawater (PES) Yang Berbeda Pada Produksi Bibit Gracillaria verrucosa Melalui Kultur Jaringan Dengan Metode Propagasi Vegetatif Rasnijal, Muhammad; Alauddin, Muhammad Hery Riyadi; Budiyati; Anton; Muhammad Syahrir; Yunarty; Saridu, Siti Aisyah; Wahid, Eriyanti; Regan, Yip; Hardianto, Toto; Supryady; Ihwan; Ernawati; Anwar; Mulato, Alwi; Sucipto; Syarief, Muhammad Nurman; Suleman, Yakub; Andini, Salsa; Suleman, Gabriella Augustine; Mulyono, Mugi; Anggoro, Agung Doni; Sektiana, Sinar Pagi; Achmad Suhermanto
JARI : Jurnal Akuakultur Rawa Indonesia Vol. 13 No. 2 (2025): JARI: JURNAL AKUAKULTUR RAWA INDONESIA
Publisher : Program Studi Budidaya Perairan, Fakultas Pertanian, Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36706/jari.v13i2.71

Abstract

Cultivation of the seaweed Gracilaria verrucosa is necessary as a preventive measure against overexploitation. One applicable method is tissue culture, which requires special attention to nutrient needs to support accelerated growth. These nutrients can be provided through fertilization. One commonly used chemical fertilizer in seaweed tissue culture is Provasoli’s Enriched Seawater (PES). This study aims to determine the optimal PES fertilizer dosage for the production of G. verrucosa seedlings through tissue culture using a vegetative propagation method. This study used a completely randomized design with analysis of variance (ANOVA) consisting of four treatments of different PES fertilizer doses with three replicates for each treatment. The results showed that fertilizer dose variation did not significantly affect the absolute growth of explant weight, but tended to increase the number of growth points. Growth points began to increase in the second week for all treatments, and by the fourth week, the number of growth points at a 1.5% dosage showed a significant difference compared to other doses. The application of PES fertilizer in G. verrucosa seedling production through tissue culture with vegetative propagation indicates that different fertilizer doses do not affect explant growth but significantly influence the increase in growth points by the fourth week
OPTIMASI PEMUPUKAN ORGANIK DAN ANORGANIK UNTUK MENINGKATKAN KUALITAS KARAGENAN RUMPUT LAUT (Kappaphycus alvarezii) Aufat, Agung Gunawan; Mulyono, Mugi; Sektiana, Sinar Pagi
Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology Vol 21, No 4 (2025): SAINTEK PERIKANAN
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijfst.21.4.271-276

Abstract

Kappaphycus alvarezii adalah komoditas budidaya laut yang memiliki nilai ekonomi tinggi sebagai sumber karagenan, senyawa hidrokoloid yang banyak digunakan dalam industri pangan, farmasi, dan kosmetik. Permintaan global terhadap karagenan yang terus meningkat memerlukan penerapan teknik budidaya yang tidak hanya meningkatkan hasil panen, tetapi juga kualitas produk. Penelitian ini bertujuan untuk menganalisis pengaruh pemberian pupuk organik dan anorganik terhadap kualitas karagenan yang dihasilkan dalam budidaya K. alvarezii . Perlakuan yang diberikan meliputi pupuk organik cair D.I.GROW, pupuk anorganik NPK, pupuk urea, dan kontrol tanpa pupuk. Metode yang digunakan adalah eksperimen dengan rancangan acak lengkap (RAL), di mana setiap perlakuan diterapkan pada kelompok yang terpisah dan diuji berdasarkan parameter rendemen, viskositas, kadar air, dan kadar abu. Hasil penelitian menunjukkan bahwa perlakuan dengan D.I.GROW menghasilkan rendemen sebesar 41% dan viskositas 189,37 cP, yang keduanya melebihi standar yang direkomendasikan oleh FAO. Sebaliknya, kontrol tanpa pupuk menghasilkan nilai terendah pada seluruh parameter yang diuji. Kadar air pada kontrol mencapai 42%, melebihi batas standar FAO yang merekomendasikan kadar air maksimal 30% untuk produk karagenan berkualitas tinggi. Perlakuan dengan pupuk lainnya masih memenuhi standar, dengan kadar air berada pada kisaran yang disarankan, yaitu sekitar 30%. Kadar abu pada perlakuan NPK dan urea berada dalam kisaran standar (20-30%), sementara D.I.GROW dan kontrol menunjukkan kadar abu yang lebih rendah, yang menunjukkan kualitas kemurnian produk yang lebih baik. Secara keseluruhan, penelitian ini membuktikan bahwa pemberian pupuk berpengaruh signifikan terhadap kualitas karagenan K. alvarezii , dengan pupuk D.I.GROW terbukti lebih efektif dalam meningkatkan viskositas, rendemen, dan kemurnian produk, sementara pupuk anorganik lebih berperan dalam menjaga kestabilan karakteristik fisik karagenan.