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INDONESIA
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
 270   271   272   273   274 
EFFECT OF THE ADDITION OF ANDALIMAN (Zanthoxylum acanthopodium) ON SKIPJACK (Katsuwonus pelamis) FLOSS TO CONSUMER ACCEPTANCE Denny Fajar Timotius Ginting; Tjipto Leksono; N. Ira Sari
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 8, No 2 (2021): Edisi 2 Juli s/d Desember 2021
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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AbstractThis study aims to find out the effect of the addition of andaliman on skipjack fish floss to consumer acceptance and how much the best addition of andaliman on the skipjack fish floss received by consumers. The treatment consists of A0 (without the addition of andaliman), A1 (addition of andaliman 2%), A2 (addition of andaliman 4%), A3 (addition of andaliman 6%). The parameters of the observed analysis are hedonic tests (color, aroma, taste and texture) and chemical analysis (water, protein, fat and ash). The addition of 6% andaliman (A3) is the best treatment that panelists like as much as 80 panelists (100%) with characteristics appereance dark brown , aroma of andaliman, specific spicy taste typical of andaliman and fish flesh taste, slightly fibrous texture.with water content of 6.04%, protein content of 25.55%, fat content of 16.69% and ash content of 6.02%.Keyword : Skipjack, andaliman, floss        
THE SENSORY CHARACTERISTICS OF FISH OIL IN TUNA HEAD (Thunnus albacares) Panji Yaversio; Mirna Ilza; Andarini Diharmi
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 8, No 1 (2021): Edisi 1 Januari s/d Juni 2021
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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ABSTRACTThis study aimed to determine the sensory characteristics of fish oil in tuna head (Thunnus albacares) in tuna fish head oil rendered at different temperatures (60, 70, and 80 °C). The research was carried out in several steps, including: preparingthe sample, measuring the fat content, extracting the fish oil intuna head by using the wet rendering method, and assessing the sensory value of the fish oil. The results showed that the head of tuna was containing fish oil of 8.29%. Based on the sensory evaluation, it could be concluded that the lower the extraction temperature, the clearer the fish oil color produced. Keywords:Thunnus albacares, temperature, sensory, tuna head, fish oil
Carrying Capacity Assessment Based on Chlorophyll-a in The Bandar Kayangan Lembah Sari Reservoir Rumbai Pesisir District Pekanbaru city Riau Province Ricki Meno P Sinurat; Asmika Harnalin Simarmata; Tengku Dahril
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 8, No 1 (2021): Edisi 1 Januari s/d Juni 2021
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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AbstractA study aimed to assess the aquatic carrying capacity in the Bandar Kayangan Lembah Sari Reservoir, Rumbai Pesisir District, Pekanbaru City, Riau Province. The carrying capacity was determined based on primary productivity using chlorophyll-a concentration, which is indicating the existence of phytoplankton in waters. This research was conducted April-May 2018. Samples were taken at 4 station, namely Station 1 (inlet from the Merbau River), Station 2 (inlet from Ambang River) Station 3 (transition zone) and Station 4 (around the dam or outlet). In each stations, a sampling point is determind, namely the surface and the water column. Sampling was done three times once/week. Water quality parameters measured were chlorophyll-a concentration, transparency, temperature, pH, dissolved oxygen, free carbon dioxide, nitrate and phosphate. Results shown that chlorophyll-a concentration : 12.54-19.82 µg/L, transparency : 65.17-74.33 cm, temperature : 27.3-29.3 ºC, pH: 5, dissolved oxygen : 4.1-7.69 mg/L,  : 3.32-7.32 mg/L, nitrate : 0.01-0.03 mg/L, and phosphate : 0.01-0.03 mg/L. Based on chlorophyll-a concentration the carrying capacity of Bandar Kayangan Lembah Sari Reservoir was 4,53 tonnes of fish/year.Keywords: Carrying capacity, Bandar Kayangan Reservoir, Chlorophyll-a
Phytoplankton community structure in floating cages area in the Koto Panjang Dam, Kampar Regency, Riau Province Mahadi Hasan; Eni Sumiarsih; Muhammad Fauzi
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 7, No 2 (2020): 2 Juli - Desember 2020
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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AbstractThe aquatic environmental condition of the Koto Panjang Dam has been changed due to the presence of floating net cages (FNC) activities and this condition may affects the phytoplankton presence in that area. A research   aims to understand the structure of the phytoplankton community around the floating net cages in the Koto Panjang Dam has been conducted in Oktober-Desember  2019. There were three different stations. Samplings were conducted 3 times, once/week. Results shown that were 25 species of phytoplankton present, such as Chorella sp, Microcystis sp, Cosmarium tintacum, Achnants sp and  Euglena sp. The phytoplankton  abundance was ranged form 19,250 – 29,750 cells/L (mesotrophic). The diversity index (H’) was 3.48 – 3.74 (high). The simillarity index   (E) 0.09 was low. The dominance index (C) was 0.45 – 0.53 (low). Data  obtained  indicate that the water quality arround the FNC is good and it may able to support the life of phytoplankton.Keyword: water quality, abundance, diversity index, simillarity index, dominance index
The Effect of Thyroxine Hormone (T4)On Feed On The Growth and Survival Rate of Baung (Hemibagrus nemurus) Pasaribu, Jeriko; Rusliadi, Rusliadi; Pamukas, Niken Ayu
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 7, No 2 (2020): 2 Juli - Desember 2020
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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ABSTRACT            This research was conducted in December 2019 - January 2020 located in the Laboratory of Cultivation Technology. The purpose of this study is to find out the best dose of thyroxine hormone on feed to increase the growth and survival of baung. This study uses a completely randomized design (CRD) consisting of 4 treatments and 3 replays. The treatment in this study was the addition of thyroxine hormone in feed i.e. P0 control (Without hormone), P1(3 mg/kg feed), P2(6 mg/kg feed), P3(9 mg/kg feed). The results showed that thyroxine hormone 9 mg/feed was the best result resulting in absolute weight growth 6.17g, absolute long growth 3.17cm, specific growth rate of 2.65%, feed efficiency of 75.84%, and survival rate 95.55%. Water quality parameters during the study were temperature 26-27.3 oC, pH 6-7, DO 4.12-5.57 ppm and ammonia 0.03-0.09 mg/L.Keywords :Thyroxine Hormone, Baung Fish (Hemibagrus nemurus), Feed.
Stomach Content Analysis of Anabas testudineus in The Teluk Petai Lake Siak Hulu Sub-regency Kampar regency Riau Province Arisa Trinovira Barus; Deni Efizon; Eddiwan Eddiwan
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 8, No 1 (2021): Edisi 1 Januari s/d Juni 2021
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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 ABSTRACTAnabas testudineus is one of the freshwater fishes that can be found in the Teluk Petai Lake. The research aimed to find out the type of food consumed by that fish has been conducted from October to November 2020. Sampling is done 4 times at intervals of time once a week. The number of fish caught during the study was 95, but 17 of them had empty stomachs and they cannot be analyzed. The analysis was conducted using a volumetric method. Stomach content was analyzed as a basis to calculate the Preponderance Index. Results shown that the main food of the fish in Teluk Petai Lake was insects (52,80%), the additional food  were plants (22,70%) and fishes (17,23%), and the complementary food was phytoplankton (7,28%). The small fishes (total length range 85-97 mm) food composition has more plant type than insects and the big fishes (total length range 163-170 mm) food composition has more insects type than plants. Data obtained indicate that A. testudineus can be categorized as an omnivorous fish.Keywords: Teluk Petai Lake, Anabas testudineus, Stomach Content Analysis, Preponderance Index
QUALITY AND STABILITY OF SMOKE JERKED DUMBO CATFISH (Clarias gariepinus) IN A DIFFERENT STORAGE SPACE TEMPRATURE Ilham Azhari Nasution; Syahrul Syahrul; Bustari Hasan
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 7, No 2 (2020): 2 Juli - Desember 2020
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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Abtracthe aim of the research was to know the quality and stability of a smoked jerked dumbo catfish (clarias gariepinus). The research using an experimental method, making smoked jerked dumbo catfish with 0, 15 and 30 days in a different storage . the research design using a complitely randomized design (CRD), with 3 steps of treatment, those are using 0, 15 and 30 days long in storage space. Organoleptic, chemical analysis and total bacterial colonies are the parameters that must be observe in this case. The experiment result shown that the quality and stability of smoked jerked dumbo catfish (clarias gariepinus) during in storage with room temperature has a real effect to the visual value, smell, texture, taste, water content, ash, protein, fat, and total bacterial colonies test proved 95% convidence level. The best of smoked jerked dumbo catfish result with a different storage temperature was in H0 and H15 with a perfect characteristic, very tidy, interesting and dark brown, typical smell, solid texture, tender, good taste, tasty and chemical quality has qualify to the national standard of indonesia with water content 17%, ash content 0.47%, protein 42.44%, fat 10.88%, and total bacterial colonies are 3.7 x 103 colonies/g and characteristic in H15 has a perfect texture, tidy, the taste is so spesific as smoked meat, solid, tender, tasty, good chemical quality, water content 31.04%, ash content 1.39%, protein, 34.03%, fat 14.31%, with total bacterial colonies are 3.3 x 103 colonies/gKeyword: Smoked Jerked Dumbo Catfish, storage space, room temperature key word: smoked jerked fish, catfish, storage periode, room temperature
DEPROTEINATION OF CHITIN FRESH-WATER CLAM SHELLS (Pilsbryoconcha exilis) BY USING PAPAIN ENZYM Muhammad Kamal Akbar; Edison Edison; Andarini Andarini
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 8, No 1 (2021): Edisi 1 Januari s/d Juni 2021
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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ABSTRACTFreshwater mussleclamsis one of the mollusks that is originated in freshwater. The meat of the Freshwater mussle clams was widely consumed but itsshells werestill unused and so becoming as the waste. However, clamshells have the potential to become a chitin product.The production of chitin and chitosan in the deproteination process using chemical method can damage the quality of the chitin and chitosan. This study aimed to determine the best concentration of papain enzymes fortheclamshells deproteination. The treatment conducted in this research was in the using of papain enzyme at different concentrations (15%, 20%, and 25%) for the deproteination process of clamshell. The amount of protein hydrolyzed was determined by using Kjeldahl method.The results obtained the best chitin characteristics in the K3 treatment, namely levels3.23% water, 7.45% ash content, and 4.60% protein contentKeywords:Chitin, Deacetylation, deproteination, Freshwater mussleclams, Papain enzym
A COMPERATIVE STUDY OF MACKEREL TUNA AMPLANG WITH ADDITION OF SEAWEED FLOUR (Eucheuma cottonii) Weni Kurnia Sari; N Ira Sari; Tjipto Leksono
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 7, No 2 (2020): 2 Juli - Desember 2020
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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ABSTRACTSeaweed flour has a high dietary fiber content which is good for food production. This study aims to determine the differences in levels of fish amplang (mackerel tuna) fiber added and without addition to seaweed flour. The research method was carried out experimentally by comparing the fish amplang with the addition of 1% seaweed and without the addition of seaweed flour. The results showed that the addition of seaweed flour gave a significant difference to the value of fish amplang fiber. The fiber content of fish amplang with the addition of seaweed flour reached 5.79% and without the addition of seaweed, flour was 2.64%.Keywords: seaweed flour, Eucheuma cottonii, mackerel tuna, fish amplang
Trophic State Based On the Nygaard Index In Parit Lake in Tambang District, Kampar Regency, Riau Province. Desi, Ria Irawan; Dahril, Tengku; Simarmata, Asmika Harnalin
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 8, No 2 (2021): Edisi 2 Juli s/d Desember 2021
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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                                            ABSTRACT                                            The Nygard index can be used to determine the trophic state of waters. Nygaard Index calculation is based on the number of phytoplankton species include in the following groups, that is Chlorococcales, Euglenophyceae, Centric Diatoms, Myxophyceae and Desmidiaceae. This study aims to determine the trophic status of Parit Lake based on the Nygaard Index. This research was conductedin December 2020. There were 3 station, namely at the inlet, in the middle of the lake and at the end of the lake. At each station 2 sampling points were determined at surface and Secchi. There were sampling was carried out three times, once/week. Water quality parameters measured were transparency, temperature, pH, nitrate, phosphate, dissolved oxygen, and free carbon dioxide. Result shown there were 28 types of phytplankton of Centric Diatom classes (7 types), Chloroccoles (8 types), Euglenophyceae (4 types), Cyanophyceae (2 types) and Desmidiaceae (5 types). Phytoplankton abundance ranges from 24,768-41,472Sel/ L. Water quality parameters were as follows: transparency 47.5-62 cm, temperature 31-330;, pH 5.08-5.33, nitrate 0.04-0.0437 mg / L, phosphate 0.033-0.049 mg / L, dissolved oxygen 4, 4-5.71 mg / L, free carbon dioxide from 8.48 to 10.65 mg / L. Nygaard Index value in Parit Lake during the study ranged from 2.0-2.6,or trophic state of Parit Lake can be categorized as mesotrophic to eutrophic.Keywords: Eutrophic,Mesotrophic,Oxbow lake,Phytoplankton.

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