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All Journal ILMU KELAUTAN: Indonesian Journal of Marine Sciences Journal of Aquaculture and Fish Health
Rattanavichai, Wutti
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Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences

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Feasibility Study Area and Dissolved Oxygen Carrying Capacity of Silvofishery Pond on the Coastal Area Mardiana, Tri Yusufi; Ariadi, Heri; Rattanavichai, Wutti; Soedibya, Petrus Hary Tjahja; Linayati, Linayati
ILMU KELAUTAN: Indonesian Journal of Marine Sciences Vol 29, No 2 (2024): Ilmu Kelautan
Publisher : Marine Science Department Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ik.ijms.29.2.201-210

Abstract

The aim of this research are to assess the feasibility of water and soil quality in silvofishery cultivation areas and to determine the environmental carrying capacity of the cultivation. The methods employed include Water Quality Index (WQI), Soil Quality Index (SQI), carrying capacity, and correlation analysis of parameters. The concentration of COD in the silvofishery pond water ranges from 705.34-749.50 mg.L-1, and the total nitrogen content in the soil ranges from 7-8 mg.L-1. The COD parameter in water shows a strong correlation with dissolved oxygen. The soil type parameter silt is correlated with redox potential, while the clay soil type is correlated with sand soil. The variance in data for water and soil quality variables is considered significant as per cluster analysis. The WQI values range from 0.47-0.85, categorized as poor, good, and excellent. The SQI values range from 0.52-0.77, falling into the good and excellent categories. The carrying capacity of dissolved oxygen ranges from 0.7-1.99 kg.ha-1, indicating that if the DO concentration is below this range, oxygen depletion may occur in the silvofishery pond. The research results indicate that the water and soil quality in the silvofishery pond is still sufficiently suitable for silvofishery activities. The carrying capacity of dissolved oxygen in the silvofishery pond is deemed adequate for operational silvofishery activities, ranging from 14.26-15.87 kg.ha-1. This implies that the silvofishery cultivation system is capable of enhancing aquaculture productivity while minimizing environmental pollution in the surrounding aquatic areas resulting from the waste generated during aquaculture operations.
Effect of Giving Api-Api (Avicennia marina ) Mangrove Leaf Solution In Artificial Feed On The Immunity Response and Growth of Vannamei Shrimp (Litopenaeus vannamei) Linayati, Linayati; Rattanavichai, Wutti; Mardiana, Tri Yusufi; Nugroho, Leonardus Bayu; Yahya, Muhammad Zulkham
Journal of Aquaculture and Fish Health Vol. 13 No. 2 (2024): JAFH Vol. 13 No. 2 June 2024
Publisher : Department of Aquaculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jafh.v13i2.55839

Abstract

The purpose of this study was .to determine the effect of giving Avicennia marina mangrove leaf solution on artificial feed to increase the immune response and growth of vannamei shrimp. The parameters observed in this study were the enhancement of PA value (Phagocytosis Activity), ADG (Average Daily Growth), FCR (Feed Conversion Ratio), and EPP (Efficiency of Feed Utilization). The vannamei shrimp used was PL-20 fry with the weight of 1,09 – 1,13 gâ‹…head-1 and density 1 shrimp L-1. The method used in this study was an experimental method in the laboratory, with a completely randomized design (CRD) with 4 treatments and 3 replications. This research was conducted by adding Avicennia marina mangrove leaf solution to the feed, with treatments of A (control), B (125 "°), C (175 "°), and D (225 "°). The addition of Avicennia marina leaf solution to the feed had a significant effect on the increase of phagocytosis activity and growth of the shrimp with F count of 30,773 which was higher than the F table of 4,06. Moreover, the best dose obtained in treatment D which resulted in an increase in PA was 61,9%, ADG was 0,22 gâ‹…day-1, FCR was 1,29, and EPP was 79,04%.
Co-Authors Heri Ariadi Linayati, Linayati Nugroho, Leonardus Bayu Soedibya, Petrus Hary Tjahja Tri Yusufi Mardiana Yahya, Muhammad Zulkham