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All Journal Jurnal Riset Akuakultur Agrikan: Jurnal Agribisnis Perikanan
Latief, Nursidi
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Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Environmental Science

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Analysis of the Relationship Between Carrageenan Content of Seaweed (Kappaphycus alvarezii Doty, 1986) with Water Quality in The Makassar Strait Sudar, Kasmawati; Latief, Nursidi; Cahyono, Indra; Kantun, Wayan
Agrikan Jurnal Agribisnis Perikanan Vol. 17 No. 1 (2024): Agrikan: Jurnal Agribisnis Perikanan
Publisher : Fakultas Pertanian, Universitas Muhammadiyah Maluku Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52046/agrikan.v17i1.2004

Abstract

Analysis of the relationship between carrageenan content of seaweed (Kappaphycus alvarezii Doty, 1986) with water quality in the Makassar Strait) Kappaphycus alvarezii seaweed is experiencing high demand and supply as an industrial raw material, so it is important to analyze its carrageenan content. This study aims to analyze the carrageenan content of Kappaphycus alvarezii seaweed cultivated in estuaries, around corals and the open sea. This research is classified as a type of quantitative research with observation methods. The research was conducted from September to October 2022 in the waters of the Makassar Strait. The results showed that the carrageenan content of red seaweed Kappaphycus alvarezii as a whole ranged from 53.05 to 58.37% (55.84 ± 1.57%) with details of 55.52 ± 0.242% for carrageenan content in samples from the estuary, 55.57 ± 2.671% for the area around the reef and 56.43 ± 1.388% for the open sea. The highest carrageenan content of Kappaphycus alvarezii seaweed was obtained in the high seas cultivation areas.
PENGARUH PENGGUNAAN Artemia salina YANG DIPERKAYA DENGAN ASAM AMINO TERHADAP SINTASAN LARVA RAJUNGAN (Portunus pelagicus Linn. 1758) STADIA ZOEA Dananjaya, Wayan Kantun; Sukriani, Sukriani; Latief, Nursidi; Cahyono, Indra
Jurnal Riset Akuakultur Vol 18, No 3 (2023): (September, 2023)
Publisher : Politeknik Kelautan dan Perikanan Jembrana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/jra.18.3.2023.173-180

Abstract

Sintasan dalam usaha budidaya rajungan sangat ditentukan oleh pakan yang diberikan selama pemeliharaan. Penelitian ini bertujuan untuk mengevaluasi penambahan asam amino pada Artemia salina pada dosis yang berbeda untuk meningkatkan sintasan larva rajungan. Penelitian dirancang menggunakan rancangan acak lengkap (RAL) dengan empat perlakuan dan tiga ulangan. Perlakuan diberikan dengan cara memperkaya A. salina menggunakan multi asam amino sesuai dengan dosis meliputi perlakuan A: 0,0; B: 2,5; C: 5,0; dan D: 7,5 ppm. Hasil penelitian memperlihatkan bahwa sintasan larva rajungan pada masing-masing perlakuan yaitu A.11,85 ± 0,40%; B. 16,18 ± 0,18%; C. 37,68 ± 0,20%; dan D. 50,35 ± 0,10% dengan pola hubungan yang polinomial antarpemberian dosis multi asam amino dengan sintasan larva rajungan. Berdasarkan hasil penelitian ini, disimpulkan bahwa penambahan multi asam amino pada A. salina sebagai pakan alami mampu meningkatkan sintasan larva rajungan pada stadia zoea. Survival in blue swimming crab cultivation is largely determined by the feed provided during the rearing period. This study aimed to evaluate the addition of amino acids to Artemia salina at different doses to increase the survival of blue swimming crab larvae. The study was designed using a completely randomized design (CRD) with four treatments and three replications. Treatments were applied by enriching A. salina using multi amino acids according to the doses including treatment A: 0.0; B: 2.5; C: 5.0; and D: 7.5 ppm. The results of the study showed that the survival of blue swimming crab larvae in each treatment was A. 11.85 ± 0.40%; B. 16.18 ± 0.18%; C. 37.68 ± 0.20%; and D. 50.35 ± 0.10 with a polynomial relationship pattern between administration of multi-amino acids doses and survival of blue swimming crab larvae. Based on the results of this study, it was concluded that the addition of multi amino acids to A. salina as a live feed was able to increase the survival of blue swimming crab larvae at the zoea stage.
Co-Authors Cahyono, Indra Dananjaya, Wayan Kantun Sudar, Kasmawati Sukriani, Sukriani Wayan Kantun