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Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan
Published by Universitas Riau
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Core Subject : Science,
Earth & Planetary Sciences
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Articles 2,919 Documents
 212   213   214   215   216 
THE EFFECT OF ADDING PREMIX AQUAVITA BOSTER IN DIFFERENT DOSAGE WITH DIFFERENT TOWARDS GROWTH AND GRADUATION OF BAUNG FISH (Hemibagrus nemurus) Lubis, Damayanti; M. tang, Usman; Pamukas, Niken Ayu
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 2 Juli s/d Desember 2019
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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ABSTRACK This study aims to determine the best dose of aquavita premix booster in enhancing growth, feed efficiency and survival of baung fish. Research containers used in the form of aquariums measuring 60cm x 40cm x 40cm as many as 20 aquariums with a stocking density of 15 animals / aquarium. This study used aRandomized Design (CRD) consisting of five levels of treatmentand four replications. Each treatment was given the addition of aquavita premix of P0 (0 g / kg), P1 (1 g / kg), P2 (2 g / kg), P3 (2 g / kg), P4 (3 g / kg), and P5 (4 g / kg) feed. The results showed that the best treatment found in P4 (3 g / kg) of feed produced an absolute weight growth of 6.21 grams, absolute length of 4.26 cm, specific growth rate of 4.60%, feed efficiency of 114.47%, and survival of 96.66%. Key word : Boster Premix aquavita , Hemibagrus nemurus, growth.
ZOOBENTOS COMMUNITY STRUCTURE IN THE MANGROVE ECOSYSTEM OF THE MENGKAPAN VILLAGE, SUNGAI APIT DISTRICK, SIAK REGENCY Irwanna, Muhammad Robby; Adriman, Adriman; Sumiarsih, Eni
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
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Abstract Zoobenthos can be used as bioindicator of water quality. A study aims to understand the structure of zoobenthos community in mangrove area of the Mengkapan village has been conducted in November - Desember 2018.  Zoobenthos were collected manually, namely S1 (around the oil pipe), S2 (residential area)  and S3 (natural area).  Water quality parameters measured measured were temperature, pH, salinity, and sediment fraction and organic matterials content in the sediment. There were 7 types of zoobenthos presence and they were belonged to 3 classes, namely gastropoda  (4 species), malacostraca (1 species), and polychaeta (2 species). zoobenthos abundance ranges from 72 - 83organisms / m2. The species diversity index  (H ') ranged from 2.551 - 2.617, the dominance index (C) ranges from 0,177 – 1,198 and uniformity index (E) ranged from 0.909 - 0.932. Water quality parameter values were as follows: temperatures 25-28 ° C, water pH 6-7, soil pH ranges from 6-7, salinity 22-260/oo. The sediment was sandy mudwith organic materials 32,14% - 35,51%. Key words:Coastal Area, Polychaeta, Gastropoda, Malacostraca               
Identification Of Seagrass Ecosystems In Teluk Bakau Village Gunung Kijang District, Bintan Regency Bestari, Indah; Eddiwan, Eddiwan; Efizon, Deni
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 2 Juli s/d Desember 2019
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Abstract This research was conducted in March 2019, located in the village of Teluk Bakau, Gunung Kijang District, Bintan Regency. Sampling was carried out in 3 sampling areas, with 3 replications over one month. The purpose of this study was to identify the type of gastropods that live in seagrass ecosystems. This research uses survey method, with line transect technique. The results of the study found 15 species from the Gastropod group that live in seagrass ecosystems, namely: Trochus niloticus, Conus amadis, Murex troscheli, Colubraria soverbii, Hemifusus colosseus, Strombus urceus, Cypraea auratium, Bullia mauritiana, Nassicus reticulate, Tonna cepa papilla Volema paradisiacal, Solenostreira pallida. Based on the measurement results of Gastropods living habitat conditions were recorded: temperature (29-300C), transparency (105-109.5 cm), salinity (33-34‰), acidity (8), dissolved oxygen (2.02-5.52 mg/L), and substrate with gravel and muddy sand. Keywords:Seagrass ecosystems,Gastropoda, line transects, living habitats 
THE EFFECT OF CONCENTRATION AND DIFFERENT SOAKING TIME ON STARFRUIT (Averrhoa bilimbi L) SOLUTION TO THE HEAVY METAL (Pb AND Cd) CONTENT OF BARNACLE (Pilsbryoconcha exilis) Jayanti, Tinneke Dwi; Ilza, Mirna; Karnila, Rahman
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 2 Juli s/d Desember 2018
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ABSTRACTThis research was aimed to determine the exact concentration and soaking time to reduce the heavy metals Pb and Cd of  barnacle (Pilsbryoconcha exilis). The experimental method was used in this research with Factorial Completely Randomized Design. There were 3 treatment levels of starfruit solution concentrations 10% (K1), 15% (K2), and 20% (K3), with 2 treatment levels of  soaking time 60 minutes (W1) and 90 minutes (W2). All samples were assessed for chemical contents, metal content Pb and Cd, and organoleptic.The chemical contents of fresh barnacle include water 84.10% (ww), ash 11.06% (dw), protein 59.09% (dw), fat 7.79% (dw) and carbohydrate (by difference) 22.07% (dw). The result showed that the treatment of soaking the barnacle into the 20% of starfruit solution for 90 minutes was the best treatment, whereas the reduction of heavy metal of  Pb 72.30% and 15% of starfruit solution for 90 minutes was the best treatment, whereas the reduction of heavy metal of Cd 67.64%. The soaking of barnacle into the starfruit solution was significantly affect tothe organoleptic quality, included appearance, odor, and texture. The higher concentration and longer soaking timewas given cause the barnacle tobe white and not brilliant, the odor was very fresh and the texture was less dense and slighlty soft.Keywords:barnacle, concentration, soaking time, heavy metal
THE FACTORS THAT AFFECTING THE DEMAND OF FISH SEEDS AT UPT BALAI BENIH IKAN (BBI) KOTO BARU SUB-DISTRICT DHARMASRAYA REGENCY WEST SUMATRA PROVINCE Sudarno, Aulia Moriska; Bathara, Lamun; Hamid, Hamdi
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 2 Juli s/d Desember 2019
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 ABSTRACT Fish seed are the main production input for fish cultivation business. This research aimed to find out the trends in the development offish seed demand Tilapia (Oreochromis niloticus) having a size of 3-5 cm and to find out the factors affecting the demand of fish seed themselves (Oreochromis niloticus). The research was conducted in February until March 2019 at UPT Balai Benih Ikan (BBI) in Koto Baru Sub-District, Dharmasraya Regency, West Sumatera Province. The method used was the survey method. The population in this study were that consumers made a demand for fish seed having been provided by UPT Balai Benih Ikan (BBI). Sampling conducted was by accidental sampling. The number of respondents was 35 individu. Data collection techniques used were observation and questionnaire. Meanwhile, the data analysis technique used was SPSS 20.0 with the linear multiple regression statistical analysis. The results of this study showed that the trend of the development of demand for  Tilapia fish seed (Oreochromis niloticus) having a measure 3-5 cm in 5 periods (2019-2023) was getting a decrease in demand. The demand conditions were influenced by the fish seed price factor (X1), transportation costs (X2) and fish seed size (X3). The coefficient of determination (r2) showed the effect of independent variables simultaneously at 40.2%. Consecutively the factors greatly affecting the demand were transportation costs (X2) of 0.001, seed prices (X1) of 0.002, and fish seed size (X3) of 0.003. Keywords: Fish seed, Development, Demand, and Dharmasraya.
THE FORTIFICATION OF REBON SHRIMP (Mysis relicta)PROTEIN ISOLATES TO THE PREMIX FLOUR OF EGG SNACK-HEAD FISH br Bangun, Feby Frisca br Bangun Frisca; Suparmi, Suparmi; Sumarto, Sumarto
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
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ABSTRACT The purpose of the research was to observe theeffect of the fortification of protein isolates of rebon shrimp to sneak-head eggpremix flour. The research was conducted at the Laboratory of Fish Processing Technology, the Laboratory of Fishery Chemistry and the Integrated Laboratory in the Fisheries and Marine Faculty at the Universitas Riau Pekanbaru in January - March 2019. The research used an experimental method by conducting the treatment of adding protein isolates of rebon shrimp at 4 levels (0%, 5%, 10%, and 15%) to the sneak-head eggpremix flour. The variables assessed were organoleptic quality (appearance, odor, texture andflavor) and the chemical analysis, including the content of water, ash, lipid, protein andcarbohydrate (by difference). The results showed that the fortification of rebon shrimp isolates protein at the concentration of 15% was the best treatment indicated by the highest organoleptic value. The product was characterized by clean, normal, bright with the appearance score at 8.0; tasty aroma of rebon shrimp and seasoning wafted with the odor score at 8,4; very smooth and dry texture scored at 8.0; very tasty with shrimp flavor mixed with specific taste of sneak-head egg with the flavor score at 8.5. The product was containing moisture, ash, lipid, protein and carbohydrate (by difference)at 3.97%, 1.31%, 8.56%, 39,32% and 46,83%, respectively.              Keywords: Isolate protein,premix flour,rebon shrimp, sneak-head egg   
Trophic State of The Perupuk Lake in Kampung Pinang Kampar Regency Riau Province Based on Nygard Index Simanjuntak, Taruli Septiana; H Simarmata, Asmika; Siagian, Madju
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 2 Juli s/d Desember 2019
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Abstract Nygard Index can be used to determine the trophic state of waters. Calculation of this index is based on the number of phytoplankton species that are belonged to these following groups, namely  Chlorococcales, Myxophyceae, Centric diatom, Euglenophyceae, and Desmidiaceae. To understand the trophic state of the Perupuk Lake, a research has been conducted in June-July 2019. There were three sampling stations, namely station 1 (in the inlet from the Kampar River), station 2 (in the middle of the lake) and station 3 (in the end of the lake). In each station there were two sampling points, in the surface and in the middle of water column. Sampling were conducted 3 times, once/week. Water quality parameters measured were phytoplankton type, transparency, temperature, pH, nitrate, phosphate, dissolved oxygen and free carbon dioxide. Results shown there were 18 species of phytoplankton present, namely Chlorococcales order (5 species), Myxophyceae (4 species), Centric diatom order (3 species), Euglenophyta Division (1 species) and Desmidiaceae (5 species). Water quality parameters were as follows: transparency 44.3-49.3 cm, temperature 28.3-300 C, pH 5, nitrate 0.11-0.17 mg/L, phosphate 0.02-0.04 mg/L, dissolve oxygen 5.07-6.40 mg/L, and  free carbon dioxide 7.3-14.6 mg/L. Nygaard Index value of the Perupuk Lake range 1.75-2.5 and it can be  categorized as mesotrophic.Keywords: Trophic State of lake, phytoplankton, mesotrophic, water quality.
Macrozoobenthos Community Structure in Mangrove Forest at Purnama Urban Village, Dumai City Sihotang, Yula Elawati; Nasution, Syafruddin; Elizal, Elizal
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 1 Januari s/d Juni 2019
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ABSTRACT The structure of the macrozoobenthos community in the mangrove forest area of Purnama Village, Dumai City can be used as a basis for knowing the environmental conditions of the waters in the mangrove forest of Purnama Village, Dumai City. This research was conducted in the mangrove forest area of Purnama Village, Dumai City in April 2018. The method used was the survey method, sampling was done by purposive sampling. The research location was divided into three stations and each station was divided into three transects, with each transect placed three 1 m2plots. The results showed an abundance of macrozoobenthos ranging from 7.56-10.00 Ind / m2, obtained 3 classes namely Gastropoda, Crustacea, and Bivalva consisting of 12 species namely Cassidula aurisfelis, Cerithidea obtuse, Littorina melanostoma, Nerita lineata, Nerita violacea, Littorina scabra , Chicoreus capucinus, Indothais gradate, Nassarius candens, Uca sp, Polymesoda expansa, Indothais malayensis and the most commonly found are Nerita lineata while the diversity index ranges from 2.79 to 2.98, the uniformity index ranges from 1.09 to 1.33, index dominance ranged from 0.15 to 1.16 and distribution patterns ranged from 2.53 to 3.32. The results of measurement of environmental parameters are still within the optimal limits for the life of marine biota and the dominant type of sediment is muddy. It was concluded that moderate species diversity, balanced uniformity and no dominant species were found while the distribution pattern was grouped. Keywords: Community Structure, Macrozoobenthos, Mangrove, Dumai City
STUDY OF SANITATIONFISH LANDING BASE PURNAMA URBAN VILLAGE DUMAI BARAT SUB-DISTRICT DUMAI CITY RIAU PROVINCE Wandini, Ganda Ayu; Brown, Arthur; Zain, Jonny
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 2 Juli s/d Desember 2019
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ABSTRACT Sanitation is very important in the environment because it can affect health. The study was conducted during Maret 2019. This study was intended to formulate the actual sanitation conditions at Dumai Fish LandingBase. This study used a method of survey. The results of the research weretabulated into table form and analyzed descriptivelybased on scoring by respondents. The scoring were arrangeaccording to criteria that were determined onthat refer to national standards (52A/Kepmen-Kp/2013 and Agriculture Department).Based on the results of the research on sanitation conditions at Dumai Fish Landing Base wasquite good. Sanitation conditions is 1,7 with the range 1,50 – 1,99. The main cause of impurities atDumai Fish Landing Basewere food vendor around the port, buyers who littering, too many visitors at the port lack awareness to maintaining cleanliness, lack of availability of trash bins at the port and fish auction activities.Keywords : Sanitation, Dumai Fish Landing Base, Cleanliness
Applicationof Oodev and Turmeric Flour in Maturing of Mahseer Fish (Tor douronensis) Broodstock Faridz, Achmad; Alawi, Hamdan; Sukendi, Sukendi
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 6 (2019): Edisi 2 Juli s/d Desember 2019
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 AbstractThis research was conducted on 26 September – 26 October 2018 in the Regional Technical Implementation Unit TheLukup BadakFish Hatcheryin Central Aceh District. The purpose of this study was to determine the effect of Oodev and turmeric flour doses on maturation of Mahseer fish (Tor douronensis). The method used was a Completely Randomized Design (CRD) with 1 factor and 5 levels of treatment where each treatment used 3 replications to obtain 15 experimental units. The treatments in this study were giving Oodev 0 ml / kg broodstock turmeric flour 0 g / kg of feed, Oodev 0.5 ml / kg of broodstock and turmeric flour 0 g / kg of feed, Oodev 0.5 ml / kg ofbroodstock and turmeric flour 0.25 g / kg of feed, Oodev 0.5 ml / g of broodstock and turmeric flour 0.5 g / kg of feed and Oodev 0.5 ml / kg ofbroodstock and turmeric flour 0.75 g / kg of feed. The results showed that Oodev and turmeric flour effect had a significant effect (P <0.05) on the maturation of Mahseer fish (Tor douronensis). Oodev 0.5 ml / kg of broodstock and turmeric flour 0.75 g / kg of feed is the highest treatment for maturation of Mahseer fish (Tor douronensis) which results in increased broodstock weight of 116.67 g, growth rate of relative parent weight of 11, 67%, Gonad Maturity Index (GMI) of 5.76%, increase in egg diameter of 1.57 mm and relative egg diameter increase of 157.29%. Key Word : Tor douronensis, Oodev, Mahseer, Turmeric flour, Gonad, Egg diameter 

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