Samakia : Jurnal Ilmu Perikanan

Pengaruh Konsentrasi Tepung Rumput Laut Caulerpa Sp Dalam Pakan Buatan Terhadap Pertumbuhan Ikan Bandeng (Chanos Chanos)

2024-05-01T14:06:53+07:00

Caulerpa sp is a group of green algae, thallus (branches) in the form of sheets, rods and spheres, soft to hard and siphonous structure. Caulerpa is one of the seaweed commodities that has been used by the community directly as food in the form of fresh vegetables and vegetables. Caulerpa sp has a fairly high nutritional content, including 0.77% fat, 5.99% protein, 4.12% water, 60.54% ash, 16% crude fiber. These nutrients can be used as raw materials in the manufacture of feed. This study aims to determine the effect of the concentration of Caulerpa sp flour in artificial feed on the growth of milkfish (Chanos chanos). The experimental design in this study was a completely randomized design (CRD) with 4 treatments, namely: A. 10% Caulerpa sp, B. 15% Caulerpa sp, C. 20% Caulerpa sp, and D (Control). each treatment was tested with 3 replications. The results of this study indicate that the addition of caulerpa sp flour with a concentration of 20% (C) can provide the best growth of 2.20 grams of milkfish

Komposisi Jenis, Kelimpahan dan Indeks Ekologi Makro Alga di Perairan Desa Bandar Kabupaten Alor

2024-05-01T14:06:53+07:00

The zoning status of Bandar village waters as a sustainable fishing zone allows for high anthropogenic activity. That will impact environmental changes and ecological pressures in the structure of the macroalgae community. Macroalgae have a high species composition and abundance in tropical waters, but these species are also very vulnerable to environmental changes and ecological pressures. Scientific publication search results show that there has not been scientific study about the species composition, abundance, and ecological index of macroalgae in the waters of Bandar village. On the other hand, scientific studies are very important to be carried out to support the increase in the effective management of Marine Protected Areas based on village, customs, and religion. This study was designed to know the species composition and abundance and macroalgae ecological indices through analysis of ecological indexes and community structure approaches. This research was conducted in June 2023 in the waters of Bandar village, Alor district. The results showed that there were 14 types of macroalgae from 3 classes which were found with a composition of 5 types of classes Rhodophyceae, 4 types of classes Phaeophyceae, and 5 types of classes Chlorophyceae. The total number of macroalgae found was 1081 individuals. The type of macroalgae most commonly found is the type Laurencia papillosa (479 individuals) while the least found was the species Jania sp (2 individuals). The value of the total abundance of macroalgae (KT) = 131.03 individual/m². The highest abundance of macroalgae types is Laurencia papillosa with a value (K) = 58.06 individuals/m², while the lowest of its kind Jania sp with a value (K) = 0.24 individuals/m². The highest relative abundance of macroalgae of its kind is Laurencia papillosa with a value (KR) = 44.31% while the lowest of the type is Jania sp with a value (KR) = 0.19%. The index value of macroalgae diversity (H') is 1.587907 and is in the medium category (1 ≤ H' ≤ 3). The index value of macroalgae uniformity (E) is 0.62040 and is in the high category (E > 0.6). The macroalgae dominance index value (C) is 0.289170 and is included in the low category (0 < C ≤ 0.50). Overall, the environmental parameters and bottom substrate of Bandar village waters are suitable for the growth and development of macroalgae.

Pengembangan Edu-Ekowisata Hutan Mangrove Jembatan Pelangi Desa Lontar Kecamatan Tirtayasa Kabupaten Serang

2024-05-01T14:06:54+07:00

Ekowista mangrove Rainbow bridge is located in Lontar Village, Tirtayasa District, Serang Regency, Banten Province. Ecotourism has the potential that needs development with a development strategy, a development strategy is needed with many problems that are seen directly. With this, researchers in research on the Development of Mangrove Forest Edu-Ecotourism, Rainbow Bridge, Lontar Village, Tirtayasa District, Banten.

Researchers have 2 objectives, namely Analyzing the suitability of mangrove ecotourism land, Rainbow Bridge, Lontar Village, Tirtayasa District, Recommending mangrove ecotourism development strategies as education-based and sustainable ecotourism. The method used in this study is Qualitative with Descriptive Qualitative research design and the instruments used are Observation, Interview, and Document Study. Data collection using primary data taken directly at the research location and secondary data obtained from journals, books and local governments. Further rare SWOT analysis is carried out with data that has been found through observation, interviews and document studies.

The development that is the result of this research is in the form of adding and improving ecotourism supporting facilities and infrastructure, cooperation between managers, the government and the surrounding community in the development of love bridges, adding mangrove trees with more types, increasing the Tourism Compatibility Index and maintaining existing facilities.

Analisis Kesesuaian Wisata dan Daya Dukung Kawasan di Pantai Karang Bolong, Kabupaten Serang

2024-06-03T11:56:42+07:00

Karang Bolong Beach which is located in Karang Suraga Village, Cinangka District, Serang Regency, Banten Province, has its own characteristics, namely there is a large hollow rock that forms like a gate which is a special attraction because other beaches do not have it. However, in the concept of sustainable ecotourism, a tourist attraction no longer only prioritizes the attractiveness of uniqueness, but the potential of ecotourism needs to be analyzed using a tourism suitability index and carrying capacity. The purpose of this study is to determine the level of suitability of tourism and the carrying capacity of the area as seen from oceanographic conditions and the aquatic environment. Data collection was carried out by means of field observations to observe and measure the parameters of oceanographic conditions and the aquatic environment at three observation stations which were determined using a purposive sampling technique. The results of the tourism suitability analysis at station 1 were 75% with the S2 category or suitable, at station 2 it was 80.95% with the S1 category or very suitable, and at station 3 it was 79.76% with the S2 category or suitable. The results of the carrying capacity of the Karang Bolong Beach area which has an area of 20,000 m² can accommodate as many as 1,200 visitors/day without causing ecological disturbance.

Pengaruh Larutan Daun Ketapang (Terminalia catappa) Terhadap Daya Tetas Telur dan Kelangsungan Hidup Larva Ikan Lele Sangkuriang (Clarias gariepinus)

2024-05-01T14:06:54+07:00

Production increase in the field of freshwater fisheries what needs to be considered is the quality of eggs and seeds as well as the parent, cultivation activities often found problems with eggs caused by lack of oxygen to inhibit embryonic development. In addition, eggs are often attacked by fungi, resulting in rotting eggs. Ketapang leaf extract can prevent and treat fish diseases caused by bacteria. Ketapang leaves contain tannin and flavonoid compounds that function as anti-bacterial. This study aims to determine the effect of egg soaking in Ketapang leaf solution on the degree of hatching of Sangkuriang catfish eggs. The research was carried out in March 2023 at the freshwater fish farming hatchery, Ngrajek Village, Magelang Regency, East Java. The study used a complete randomized design with three treatments and three repetitions, namely treatment A as much as 5 ml of Ketapang leaf solution, B as much as 7 ml of Ketapang leaf solution, and C (control) without giving Ketapang leaf solution.

Analisis Hubungan Lebar Karapas dan Berat Rajungan (Portunus pelagicus) di Desa Aengdake Kabupaten Sumenep, Jawa Timur, Indonesia

2024-05-01T14:06:55+07:00

Blue swimming crab (Portunus Pelagicus) is a type of marine animal that has quite high economic value, so it is quite attractive to the surrounding community, especially the people in Sumenep Regency. The aim of this study was to find out the growth pattern of variations in carapace width and weight of blue swimming crab (Portunus Pelagicus) in the waters of the southern part of Sumenep Regency. This research was conducted in May 2023 in the village of Aengdake Sumenep. Retrieval of blue swimming crab data includes calculating the width of the carapace and the weight of the crab. The maximum width of the crab carapace is 16 cm while the maximum weight of the crab is 164 grams. From the calculation data for the width-weight relationship, it can be seen that the value of b is 0.74 where this value indicates that the growth pattern of blue swimming crab in the waters of Aengdake Village, Sumenep Regency with a sample of 100 crabs, shows a negative allometric growth pattern. So it is known that the growth in width is faster than the growth in weight.

Komposisi dan Kelimpahan Makrozoobentos pada habitat padang lamun di Desa Wakambangura, Buton Tengah

2024-05-01T14:06:55+07:00

The role of seagrass beds as permanent habitat for marine biota, including macrozoobenthos. Macrozoobenthos are sessile biota that live at the bottom or in sediment and attach to plants. The aim of this research is to determine the composition and abundance of macrozoobenthos in Wakambangura Village waters. The macrozoobenthos collection method uses a 100 m line transect towards the sea using a shovel with a cross-sectional area of 30x40 cm. The research locations are spread across 3 stations, Station 1 Weta Beach, Station 2 Mbelabela Beach and Station 3 residential areas. As a result of the research, 24 macrozoobenthos species were found consisting of 5 classes, namely 15 species from the Gastropoda class, 5 species from the Bivalvia class, 1 Asteroides species, 1 Ophiuroidea species and 2 species from the Crustacea class. The Gastropoda class dominates with a macrozoobenthos composition value of 70.59%. The highest abundance of macrozoobenthos was found at station 2 with an abundance value of 292 Ind/m², then the lowest abundance was found at station 3 with an abundance value of 108 Ind/m². The highest species abundance was found in the species Cerithium rostratum with an abundance of 108 Ind/m².

Pembuatan Hidrolisat Ikan Rucah Sebagai Penyedap Rasa Alami dengan Memanfaatkan Enzim Bromelin pada Buah Nanas (Ananas comosus)

2024-05-02T15:10:58+07:00

Producing protein hydrolysates from trash fish is important to increase the added value and utilization of trash fish itself. The hydrolysis process of trash fish is carried out enzymatically using the enzyme bromelain to produce peptide chains and umami amino acids such as glutamic acid. The aim of this research was to determine the effect of variations in the addition of bromelain enzymes to pineapple fruit on glutamic acid levels, organoleptic properties, and the proximate content of trash fish hydrolyzate as a natural flavoring. The design of this research was an experimental study using a completely randomized design (CRD) with levels of pineapple extract and bromelain enzyme addition of 10%, 15%, and 20%. The results of soluble protein testing and organoleptic tests were carried out using analysis of variance (ANOVA). Further testing uses the Duncan test. to determine the best treatment using the effectiveness index test. The results of organoleptic testing of trash fish hydrolyzate show that differences in pineapple juice concentration (bromelain enzyme) of 10% (P1), 15% (P2), and 20% (P3) have a significant effect on consumer acceptability based on taste and aroma attributes. Meanwhile, the color attributes of trash fish hydrolyzate did not differ significantly between treatments. The highest monosodium glutamate content was found in the third treatment (P3; 20%). The water content, ash content, fat content, and protein content of the trash fish hydrolyzate with the best treatment (P3; 20%) were respectively 95.11%, 6.50%, 3.44%, and 82.06%.

Karakteristik Sifat Fisik Amplang Ikan Lele (Clarias sp) Dengan Penambahan Karagenan

2024-05-02T15:21:17+07:00

Fish is a perishable food so it needs to be handled appropriately, namely by processing it into a product in the form of amplang made from catfish. Catfish is a fish that is widely cultivated in Indonesia. Considering the abundant production of catfish, it is necessary to make variations, namely by adding carrageenan from the seaweed Euchema cottonii as a determinant of the physical and organoleptic properties of catfish amlang in the form of flowering power and organoleptic tests of color, taste, aroma, texture and crispness of amlang. The formulation of the problem in this research is how the addition of carrageenan affects the physical and organoleptic properties of catfish amlang and what is the best formulation for adding carrageenan to catfish amlang based on physical and organoleptic properties. Meanwhile, the aim of this research is to determine the effect of adding carrageenan on the physical and organoleptic properties of catfish amplang and to find out the best formulation for adding carrageenan to catfish amplang. This research is an experimental study using carrageenan as a determinant of physical and organoleptic properties in catfish amplang using 4 treatments (P0) as control, (P1) 1%, (P2) 2% (P3) 3%. Data were analyzed using the SPSS type 26 application with the ANOVA test at a confidence level of 95% with Duncan's advanced test. Meanwhile, to determine the best treatment, use the De Garmo method. The results of the research showed that the addition of carrageenan had a significant effect on the physical properties of catfish amplang's swellability, organoleptic attributes of color, taste, texture and crispness. However, the addition of carrageenan had no effect on the aroma attributes of catfish amplang. The best formulation for making catfish amplang is P1 treatment with the addition of 1% carrageenan based on the De Garmo method with a productivity value (NP) of 0.98.

Uji Bioaktivitas Larutan Fermentatif Kulit Pisang Cavendish Terhadap Bakteri Pembusuk Ikan

2024-05-05T15:46:21+07:00

Cavendish banana peels are waste from the banana flour industry. This waste can be used as material for spontaneous lactic acid fermentation. Furthermore, the fermentation solution can be used as a natural preservative. To determine its effectiveness as a natural preservative, it is necessary to know the level of its inhibitory power against the growth of spoilage bacteria. This research aims to determine the effectiveness of the fermentative solution of cavendish banana peel as a compound that inhibits the growth of putrefactive bacteria in fish from the habitat. The research method used is experimental which consists of three stages. The three stages are making a fermentative solution of cavendish banana peel, culturing putrefactive bacteria from fish intestines and testing the inhibitory power. Testing for the inhibition of bacterial activity was carried out using the paper disc diffusion method. The diameter of the clear zone formed around the paper disc is measured and then compared with the classification level of the diameter of the inhibition zone. Based on the results of the research above, it can be concluded that the fermentative solution of cavendish banana peel has an inhibitory effect on the growth of putrefactive bacteria in both tilapia and mackerel. The inhibitory power of tilapia spoilage bacteria is included in the strong inhibition zone classification, while that of mackerel is included in the very strong inhibition zone.

Performa Budidaya Ikan Nila Saline (Oreochromis niloticus Salina) Pada Kolam Silvofishery

2024-05-21T06:16:03+07:00

Silvofishery is an environmentally friendly cultivation model that is now widely implemented in coastal areas of Indonesia. The aim of this research is to conduct a study on the use of saline tilapia fish (Oreochromis niloticus) as a cultivar in silvofishery cultivation. The research method used is qualitative descriptive research. The parameters studied are water quality and aspects of the financial feasibility of the business. The research results showed that the weight of saline tilapia fish during cultivation ranged from 3.01-21.24 gr (13.37 ± 6.53) and biomass growth was 3,010-19,116 kg (12,886 ± 7.79). Silvofishery water quality parameters produced data: pH 7.8-8.2 (8.0 ± 0.14), dissolved oxygen 4.01-5.92 mg/L (4.90 ± 0.55), temperature 31.00-32,750C (31,80⁰C ± 0.60), salinity 5-8 gr/L ( 6.3 ± 1.28) and organic matter 54.32-73.87 mg/L (62.90 ± 6.33). The financial feasibility value of the business shows a profit value of IDR. 8,840,000,-, R/C Ratio 1.55, BEP unit 297 kg, BEP sales Rp. 4,428,000,-, profitability 25%, Net Present Value Rp. 101,528,000,-, IRR 20.45%, and payback period 2.7 years. Based on the presentation of research data, saline tilapia is highly recommended as a commodity for silvofishery cultivation. The conclusion of this research is that saline tilapia would be ideal to be used as the main commodity in silvofishery cultivation activities carried out in coastal areas.

Anatomi Ikan Kerapu (Epinephelus Sp.): Memahami Organ Dalam Tubuh Ikan dan Posisinya

2024-05-26T09:29:14+07:00

Tujuan penelitian ini adalah untuk mengeksplorasi struktur dan letak organ dalam tubuh ikan kerapu (Epinephelus sp.). Metode penelitian melibatkan pengamatan visual terhadap karakteristik fisik dan operasi pembedahan pada ikan kerapu, yang kemudian dianalisis untuk mendapatkan pemahaman yang lebih baik. Hasil penelitian menegaskan bahwa ikan kerapu memiliki tubuh yang cenderung oval atau memanjang, dengan kepala besar, beragam jenis sirip, sisik yang beraneka ragam, dan gigi yang tajam. Anatomi ikan kerapu mencakup organ-organ vital seperti hati, usus, lambung, dan insang, yang berperan penting dalam berbagai fungsi tubuh seperti metabolisme, pencernaan, dan pernapasan. Pentingnya pemahaman tentang anatomi ikan kerapu adalah untuk memahami fungsi-fungsi organ tersebut serta berkontribusi dalam upaya konservasi dan manajemen populasi ikan. Dengan pengetahuan yang lebih mendalam tentang anatomi ikan kerapu, diharapkan dapat memperkuat kesadaran akan perlunya pelestarian dan perlindungan terhadap spesies ini.

Analisis Performa Kualitas Air Pada Panerapan Konsep Budidaya CBIB Di Tambak Udang Pola Intensif

2024-05-25T06:44:59+07:00

Water quality standard criteria for shrimp farming, as regulated by the CBIB, are a crucial aspect in intensive farming operations. This research aims to assess the suitability of water quality parameters in intensive cultivation of vaname shrimp (L. vannamei) with CBIB standards (Good Fish Cultivation Methods). The research method uses an ex post facto causal design during one shrimp cultivation cycle, with a focus on the condition of water quality parameters compared with CBIB standards in accordance with Minister of Maritime Affairs and Fisheries Regulation Number 75 of 2016. The research results show that most of the water quality parameters during the cultivation period in accordance with CBIB standards, except for alkalinity and organic matter exceeding the thresholds set by CBIB. Abnormal conditions in these two parameters are caused by unpredictable natural and seasonal factors, as seen in unstable fluctuations in temperature and salinity. However, overall, the cultivation system at the research location still complies with the cultivation quality standards set by CBIB. From this discussion, it can be concluded that the water quality parameters at the research pond location are mostly in accordance with CBIB quality standards, with the exception of alkalinity and organic matter which slightly exceed the limits set by CBIB..

Identifikasi Asam Amino Pembentuk Tekstur dan Viskositas Daging Ikan Belida (Chitala lopis), Ikan Patin (Pangasius pangasius), dan Ikan Gabus (Channa striata)

2024-05-26T08:43:07+07:00

Tekstur dan viskositas merupakan indikator tingkat kelayakan ikan dalam industri pengolahan pangan. Kandungan protein di dalam daging ikan tersusun atas gabungan beberapa asam amino yang memiliki kontribusi dalam pembentukan tekstur dan viskositas di dalam daging ikan. Namun, belum diketahui secara spesifik asam amino apa yang berpengaruh dalam pembentukan tekstur dan viskositas. Berdasarkan hal tersebut, maka penelitian ini bertujuan untuk mengidentifikasi asam amino yang berpengaruh terhadap pembentukan tekstur dan viskositas ikan belida (Chitala lopis), ikan patin (Pangasius pangasius) dan ikan gabus (Channa striata). Penelitian ini dilakukan secara eksperimental laboratorium dan diulang sebanyak 3 kali. Parameter yang digunakan dalam penelitian ini adalah asam amino, tekstur, dan viskositas. Data dianalisis dengan menggunakan metode PCA (Principal Component Analysis) secara deskriptif. Hasil penelitian menunjukkan bahwa kandungan asam amino lisin mempengaruhi tingkat kekerasan (tekstur) yang dihasilkan pada daging ikan yakni ikan belida 156,4 gf, ikan patin 163,1 gf, dan ikan gabus 108,5 gf. Sedangkan kandungan asam amino prolinmempengaruhi viskositas yang dihasilkan pada daging ikan yakni ikan belida 0,77 Pa.s, ikan patin 1,06 Pa.s, dan ikan gabus 1,07 Pa.s.

Efektivitas Penerapan 7 Prinsip Hazard Analysis Critical Control Points (HACCP) pada Proses Udang Beku Bentuk Peeled Deveined (Pd) di PT.CBG

2024-05-26T08:52:26+07:00

Guna menangani hasil ketidaksesuaian produk, maka diperlukan perhitungan efektivitas yang secara langsung dapat diterapkan dalam proses produksi, diantaranya yaitu dengan menggunakan indikator 7 prinsip HACCP. Tujuan dari perhitungan efektivitas penerapan 7 prinsip HACCP adalah untuk menghindari kemungkinan adanya kegagalan dalam proses produksi, analisa perhitungan efektivitas yang diketahui dapat dijadikan alat untuk mengendalikan atau menyesuaikan standar pengadaan bahan baku, proses produksi, dan finish good product semaksimal mungkin. Data diperoleh dengan observasi, penyebaran kuesioner, partisipasi langsung dan wawancara. PT. CBG termasuk ke dalam kriteria sangat efektif dengan rata-rata 86,4%. Hal ini didapatkan dari perhitungan skor masing-masing indikator, yaitu analisa bahaya (86,6%), penentuan CCP (86,6%), penetapan batas kritis (87,5%), monitoring CCP (84,2%), penetapan tindakan perbaikan (86,4%), prosedur verifikasi (86,6%), dan sistem dokumentasi (87,06%).

Kata Kunci: HACCP, Pengendalian Kualitas, Efektivitas, Udang Beku, Peeled Deveined

Identifikasi Plankton pada Tambak Udang Vaname (Litopenaeus vannamei) di Teaching Factory Politeknik Kelautan dan Perikanan Pangandaran

2024-06-03T11:41:33+07:00

Vannamei shrimp (Litopenaeus vannamei) are one of the mainstays of Indonesia's aquaculture sector, which has great export potential. The development of Millennium Shrimp Farming (MSF) or millennial generation of shrimp farming means that the younger generation is encouraged to actively farm shrimp in a millennial way with the concept of cultivation using small amounts of land, low salinity and maximizing the regulation of water quality. Water quality in vannamei shrimp cultivation is managed by utilizing the application of probiotics and plankton growth. Plankton plays an important role in aquaculture, as natural food and an indicator of the fertility and stability of water bodies. Plankton itself is one of the main components in the food chain system and food web in vannamei shrimp cultivation. The aim of this research was to determine the type of plankton found in the vannamei shrimp ponds of Pangandaran Marine and Fisheries Polytechnic Teaching Factory. The data analysis method used is descriptive quantitative. The test parameters in this research were: plankton abundance, plankton diversity, plankton uniformity and dominance of plankton species found in vannamei shrimp ponds. The results of plankton identification in vannamei shrimp cultivation ponds in Pangandaran Maritime and Fisheries Polytechnic Teaching Factory revealed 7 species of plankton, including: (50-71)% from the Chlorophyta (green algae) group; (16-32)% from the Cyanophyta group (blue-green algae); (2-13)% from the Chrysophyta group (diatoms); 1% from the Phyrrophyta group (dinoflagellates); (2-3)% from the group of protozoa; (1-2)% from the Branchiopoda group and (2-8)% from the Euglenophyta group. The observation results show that the water in vannamei shrimp ponds has moderate biota community stability with plankton uniformity index values under moderate or unstable conditions. Otherwise, there is no individual dominance in the shrimp pond waters.