Bycatch small pelagic fish during the fishing season can be oversupplied so that its price goes down. The study aims to analyze the proximate of local fish powder from the by-catch and probiotics of Probio_FM in the fish feed in Bangka Belitung. The method was the data compared with the Indonesian National Standard, SNI 01-2715-1996/Rev: 92 about the raw material of animal feed as fish powder and fish feed with six different treatments. The study found that the bycatch or trash from small pelagic fish could be used as a fish powder or fish feed. The proximate analysis on fish powder and fish feed with probiotics Probio_FM included as the quality of SNI. Crude protein values from 25.75% until 66.96% that was above SNI standard I (1.5%), II (2.5%), and III (3.0%) could be followed up into an economical business. Fermented activity from Probio_FM could degrade the protein and other components proximate such as ash content, crude protein, crude fat, crude fiber, calcium, Phosphor, and NaCl. The amino acids from protein were getting simpler and easier being absorbed by fish in culture or livestock farms. Probio_FM was assumed to degrade the protein value and other components proximate due to the utilization of nitrogen and ammonia derived from the process fish protein hydrolyzation of probiotic bacteria. The production of local feed should be implemented to reach feed security and very important to be developed into a community business. Proximate analysis of bycatch could support sustainable good aquaculture practices in the future.
Abstract[Types of Herpetofauna Identification in the Gunung Permisan Nature Park, South Bangka, Bangka Belitung Islands Province]. The Nature Tourism Park, Gunung Permisan is a conservation area located in Permis Village, South Bangka Regency. This study was conducted to identify the types of herpetofauna diversity in Gunung Permisan. Herpetofauna are including reptile and amphibian classes, that played an important role in maintaining the balance and sustainability of the ecosystem. The research method was using the exploration and Visual Encounter Survey. The type of herpetofauna was identified by observing the morphological differences. A total of 7 species consist of 5 species of the Amphibians and 2 species of the Reptiles have been collected from the research. These 7 species consist of two order Anura and Squamata. Anura has 2 families, including: Dicroglossidae and Ranidae. Squamata has 2 families, including Viperidae and Scincidae. The diversity of herpetofauna in the Gunung Permisan was medium category. Keywords: Gunung Permisan; Herpetofauna; Amphibian; Reptile.ABSTRAKTaman Wisata Alam Gunung Permisan merupakan wilayah konservasi yang berada di Desa Permis, Kabupaten Bangka Selatan. Penelitian ini dilakukan untuk mengidentifikasi jenis keanekaragaman herpetofauna di Kawasan Gunung Permisan. Herpetofauna meliputi kelas reptil dan amfibi berperan penting dalam menjaga keseimbangan dan keberlangsungan ekosistem kawasan tersebut. Metode pengumpulan data menggunakan metode eksplorasi dan survey perjumpaan visual/VES. Identifikasi jenis herpetofauna dengan cara mengamati perbedaan morfologinya. Berdasarkan penelitian yang telah dilakukan ada sebanyak 7 spesies herpetofauna yang ditemukan, meliputi 5 jenis spesies dari kelas Amphibi dan 2 jenis spesies dari kelas Reptil. Tujuh spesies ini terdiri atas ordo Anura dan Squamata. Ordo Anura terdapat 2 famili yaitu famili Dicroglossidae dan Ranidae. Ordo Squamata terdapat 2 famili yaitu famili Viperidae dan Scincidae. Keanekaragaman herpetofauna di Kawasan Gunung Permisan termasuk ke dalam golongan sedang.Kata kunci: Gunung Permisan; Herpetofauna; Amfibi; Reptil.
Potensi sumberdaya pesisir dan laut seperti perikanan tangkap dan budidaya laut perlu digali dan dikembangkan dengan konsep blue economy. Tujuan penelitian yaitu menerapkan konsep blue economy dengan mengimplementasikan budidaya udang vaname (Litopenaeus vannamei) pada kolam terpal bioflok. Penelitian ini dilaksanakan dari bulan Desember 2021 hingga Februari 2022 di Desa Balunijuk Kecamatan Merawang Kabupaten Bangka Provinsi Kepulauan Bangka Belitung. Metode dengan menggunakan data primer dan sekunder yang dianalisis dengan pendekatan deskriptif kualitatif terhadap kebijakan dan budidaya udang vaname skala rumah tangga. Hasil menunjukan bahwa merancang pembangunan berkelanjutan harus mengikuti visi, misi, tujuan, kebijakan, strategi, program, hingga implementasi kegiatan. Kebijakan yang prioritas terkait rencana aksi pangan dan gizi atau ketahanan pangan salah satunya dengan memanfaatkan sumberdaya dari laut. Ketahanan pangan dengan memanfaatkan sumberdaya dari laut dikenal dengan konsep blue economy. Kebijakan pembangunan laut yang berkelanjutan membutuhkan efektivitas politik untuk kepentingan komunitas dan ekosistem. Penerapan konsep blue economy dengan budidaya udang vaname pada kolam terpal bioflok, secara teknis membutuhkan pengukuran parameter standar seperti oksigen terlarut (DO), amonia (NH3), nitrit (NO2), nitrat (NO3), phospat (PO4), TDS, kecerahan, kedalaman, suhu perairan, salinitas, dan pH perairan. Data kualitas perairan menunjukan masih dapat ditoleransi, tidak melampaui daya dukungnya, dan masih dalam kondisi standar perairan untuk budidaya. Pelaksanaan budidaya udang vaname pada kolam terpal bioflok dapat meningkatkan manfaat ekonomi secara berkelanjutan, meningkatkan produk sehat dengan inovasi teknologi ramah lingkungan menggunakan probiotik Probio_FmUBB, menyediakan akses usaha skala rumah tangga (small-scale artisanal fisheries), dan membuka akses pasar.
Litopenaeus vannamei is one of the most common shrimp species cultivated with the semi-intensive system in Indonesia. This system required large food and probiotic input during cultivation and certainly will impact the water quality and the presence of the microbial colony. The unhealthy water circulation will increase microbe pathogen. Fungi is one of ubiquitous microbe that often appears in shrimp pond. The aim of this study is to identify and calculate the biology index from shrimp cultivation ponds. This research was implemented in March 2019 – April 2020. The method of this research is purposive sampling to get the fungi culture from inlet, outlet and rejuvenate shrimp ponds. The identification of fungi was done with macroscopic and microscopic examination. The result found 9 isolates fungi comprised of 8 species. There were 4 fungi identified from the inlet shrimp pond, Aspergillus sp 1, Aspergillus sp 4, Penicillium sp, and Trichoderma sp 2, while from outlet pond were Aspergillus sp 1, Trichoderma sp 1 and from rejuvenating shrimp ponds were Saccharomyces cerevisiae, Trichoderma sp 1 and Penicillium sp. There were no fungi found from L. vannamei, because all of the L. vannamei shrimp in healthful condition.
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