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NIKe Jurnal Ilmiah Perikanan dan Kelautan | Fisheries and Marine Scientific Journal
Published by Universitas Negeri Gorontalo
ISSN : 23032200     EISSN : 27225836     DOI : https://doi.org/10.37905/.v0i0.6885
Core Subject : Agriculture, Social,
Agriculture, Biological Sciences & Forestry Environmental Science Social Sciences
The NIKe Journal is published by the Faculty of Fishery and Marine Sciences - Universitas Negeri Gorontalo. The NIKe Journal publish quarterly on March, June, September and December. Publishing research results in the fields of fisheries and marine science: management of aquatic resources; aquaculture; capture fisheries; and socio-economic-cultural affairs of coastal communities.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Perairan
Articles 5 Documents
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Search results for , issue "VOLUME 8 ISSUE 4 | DECEMBER 2020" : 5 Documents clear
Technical and Financial Analysis of Squid Fishing Abdul Hafidz Olii
The NIKe Journal VOLUME 8 ISSUE 4 | DECEMBER 2020
Publisher : Faculty of Fishery and Marine Sciences - Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/nj.v8i4.9866

Abstract

This study aims to determine the technicality of catching and to analyze the finances of the squid fishing effort in Luwoo Village, Posigadan District, Bolaang Mongondow Selatan Regency. The method used in this research is descriptive method. Sampling using survey and interview methods. Primary data obtained through direct observation and conducting interviews with respondents using a questionnaire. Technically, the fishing gear used by fishermen in Luwoo Village still uses relatively traditional technology by relying on knowledge from generation to generation. The use of the squid fishing gear is the result of a modification between the roller, fishing line, light-stick, swivel and squid fishing gear. The totabito or squid fishing line is extended 3-5 meters using a light-stick as an attractor to attract the squid. Financially, the squid fishing business has an average R/C value of 2.2 (> 1), a payback period of 0.8 years and an average net profit of Rp. 11,959,200 per year or about 121.77%. So, from a financial perspective, the squid fishing business in Luwoo Village can be said to be profitable. Keywords: Squid; squid fishing; technical; financial.
Soba Candy Products Formulation with the Addition of the Seaweed Eucheuma cottonii Sri Rahayu Kalaka; Femy M Sahami; Nikmawatisusanti Yusuf
The NIKe Journal VOLUME 8 ISSUE 4 | DECEMBER 2020
Publisher : Faculty of Fishery and Marine Sciences - Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/nj.v8i4.7844

Abstract

This study aims to determine the formulation of soba candy without seaweed and the formulation of soba candy with the addition of seaweed, the level of preference for the panelists with the addition of seaweed and the quality characteristics of the selected seaweed soba candy. This research activity was carried out in the Laboratory of Testing and Guidance for the Quality of Fishery Products in Gorontalo Province which was divided into two stages. Preliminary research was carried out to determine the basic formulation without seaweed. The main study was to determine the formulation with the addition of seaweed (30%, 40% and 50% by weight of brown sugar) which was analyzed organoleptically using the hedonic test (level of preference) and hedonic quality. The data obtained were analyzed descriptively and to determine the differences between treatments using the Kruskall Wallis method, and to determine the selected / preferred product using the Bayes method. The results showed that the basic formulation (without seaweed) obtained was 100 g brown sugar with 200 ml coconut milk and a formula with additional seaweed that was 40% by weight of brown sugar. Characteristics of the hedonic quality of the selected products obtained in the form of soba candy with the addition of seaweed are soft, less tidy, delicious taste and specific types and specific smells and fresh without additional odor and the results of proximate analysis are 9.94% moisture content, 0.92% ash content, high levels of 4.24% fat, 3.68% protein content and 82.13% carbohydrate content. Keywords: Seaweed; brown sugar; coconut milk; candy; organoleptic.
Effect of Different Doses of Mangrove Leaf Juice on the Survival of Tilapia Seeds Infected with Parasite Trichodina sp. Zubair Y Supu; Juliana Juliana; Mulis Mulis
The NIKe Journal VOLUME 8 ISSUE 4 | DECEMBER 2020
Publisher : Faculty of Fishery and Marine Sciences - Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/nj.v8i4.9862

Abstract

This study aims to determine the effect of immersion in a mangrove api-api (Avicennia marina) leaf juice with different doses that affect the survival of tilapia (Oreochromis niloticus) seeds infected with the parasite Trichodina sp. This research is a quantitative descriptive study with 4 treatments and 3 replications. The fish used were tilapia that had been infected with an initial intensity of 205 Trichodina sp. This research was conducted for 7 days. The treatment used was the dosage of mangrove leaf juice and water, where the dosages were A (2.5 gram/liter), B (5 gram/liter), C (7.5 gram/liter) and D (Control). The results showed that giving different doses of api-api leaf immersion had an effect on the survival of tilapia where the use of the mangrove leaf juice at a dose of 7.5 mg/liter gave the best survival results with a percentage of 86.66% and also is a solution dose that can reduce the intensity of Trichodina sp. The results of the calculation of the intensity of Trichodina sp. in treatment A (2.5 gram/liter), namely 30 individuals/head and treatment B (5 gram/liter) 15 individuals/head of treatment C (7.5 gram/liter) the intensity of Trichodina sp. 6 individuals/head. Keywords: Mangrove; api-api; Avicennia marina; tilapia; Trichodina sp.; survival rate.
Effect of Addition of Betel Leaf Decoction on Survival Rate of Goldfish Infected with Dactylogyrus sp. Rizky Saputra; Ade Muharam; Syamsuddin Syamsuddin
The NIKe Journal VOLUME 8 ISSUE 4 | DECEMBER 2020
Publisher : Faculty of Fishery and Marine Sciences - Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/nj.v8i4.9864

Abstract

This study aims to determine the effect of adding boiled betel leaf (Piper bettle Linn) with different doses on the survival rate of goldfish (Cyprinus carpio) infected with Dactylogyrus sp. This research was conducted at the Laboratory of the Fish Quarantine Station, Quality Control and Safety of Class I Fishery Products, Gorontalo. This study used an experimental method with a completely randomized design (CRD), 4 treatments and 3 replications. The test method is by soaking the betel leaf stew for 30 minutes. With dosage. Treatment A (control), B (5 ml / L water), C (10 ml / L water), D (15 ml / L water). Observations include the survival of goldfish. Treatment A (86.7%), B (100%), C (93.3%), and D (86.7%), parasite intensity and density of Dactylogyrus sp., observation of clinical symptoms and water quality. The data analysis used was the Analysis of Variance (ANOVA). The results showed that the treatment of giving betel leaf stew with different doses on the survival of goldfish infected with the parasite Dactylogyrus sp had no significant effect among treatments. Water quality parameters during the study were still in normal conditions for the life of goldfish seeds. Keywords: Goldfish; betel leaf; survival rate; Dactylogyrus sp.
Analysis of Mercury Content in Bivalves in the Marine Waters around the Bone Bolango River Estuary Bramantio Setiawan; Femy M Sahami; Miftahul Khair Kadim
The NIKe Journal VOLUME 8 ISSUE 4 | DECEMBER 2020
Publisher : Faculty of Fishery and Marine Sciences - Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/nj.v8i4.9865

Abstract

This study aims to analyze the content of mercury (Hg) in Bivalve in the marine waters around the mouth of the Bone Bolango river, Gorontalo City. The method used in this research is descriptive method. Sampling was done by purposive sampling by dividing the research location into 3 stations, namely Station 1 (mouth of the Bone Bolango River) Station 2 (Kelurahan Tanjung Kramat) Station 3 (Kelurahan Leato Utara). Measurement of mercury content (Hg) was carried out at the Fishery Product Quality Testing and Development Center (BPPMHP) Gorontalo City, Gorontalo Province using the Atomic Absorption Spectrophotometer (AAS) analysis method. The results showed that, there were 3 types of bivalves found in the research location, namely Hiatula sp, Lionconcha sp, Tridacna sp. The results of the analysis of the mercury content in the Bivalve samples found at the research location have not exceeded the maximum contamination threshold allowed for consumption with values for Station 1 ranging from 0.7022 - 0.8949 ppm, Station 2 ranging from 0.2593 - 0.3852 ppm and Station 3 ranging from 0.0998 - 0.8056 ppm. Keywords: mercury; bivalve; estuary; Bone-bolango River.

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