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All Journal Bioma : Berkala Ilmiah Biologi Journal of Aquaculture and Fish Health
Suryanto, Damang
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Agriculture, Biological Sciences & Forestry Education

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Pengaruh Komposisi Azolla pinnata Pada Pakan Terhadap Pertumbuhan Ikan Bandeng (Chanos chanos Forsskal) di Balai Besar Perikanan Budidaya Air Payau (BBPBAP) Jepara Wicaksono, Andy; Muhammad, Fuad; Hidayat, Jafron Wasiq; Suryanto, Damang
Bioma : Berkala Ilmiah Biologi Vol. 20, No 2, Tahun 2018
Publisher : Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (149.764 KB) | DOI: 10.14710/bioma.20.2.113-122

Abstract

Milkfish is one of the main commodities in the field of fishery and is known to be the most cultivated. One of the important’s factors to the success of milkfish cultivation is feed availability, both quality and quantity. Feed quality is an important aspect that must be fulfilled because of its relation to nutrients required for the fish growth. Azolla pinnata has a good potential that can be used as an additional ingredient for the fish growth because of its protein-rich content. This study is aimed to examine the effect of Azolla pinnata powder feed on growth of milkfish (length and body weight). This research was conducted in May – July 2017 at Aquatic Animal Health Management Laboratory, Center of Brackish Water Aquaculture of Jepara. The research design used is a Complete Randomized Design (CRD), using five treatments with different concentrations of Azolla pinnata powder, i.e. 0% as control, 10%, 20%, 30%, and 40%. Each treatments consist of three repeatitions. The parameters observed were milkfish growth (length and body weight) and dissolved oxygen (DO). Data were analyzed by Analysis of Variance (ANOVA) method. If the data showing significant differences it will be continued with Least Significance Different (LSD) test. The results showed that the administration of Azolla pinnata powder on the feed significantly influenced the growth (lenght and body weight) of milkfish. The most optimal and efficient feed composition for milkfish growth is done by feeding 40% of Azolla pinnata powder. The overall dissolved oxygen (DO) is still in suitable condition for the cultivation of milkfish. Key Words :  Azolla pinnata, dissolved oxygen, feed nutrition, milkfish
The comparison of Phytochemical Composition, Total Polysaccharides, and Highest Nutrient Content in Seaweed (Ulva lactuca) from Two Different Locations Lailaturramadhini, Nova; Yuniarti, Ating; Maimunah, Yunita; Eka Supriatin, Febriyani; Suryanto, Damang; Ridwanudin, Asep
Journal of Aquaculture and Fish Health Vol. 14 No. 2 (2025): JAFH Vol. 14 No. 2 June 2025
Publisher : Department of Aquaculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jafh.v14i2.70265

Abstract

Ulva lactuca is a source of structurally diverse and highly valuable bioactive compounds. Its chemical composition includes carbohydrates (up to 60%), proteins (10% - 47%), lipids (1% - 3%), and bioactive compounds such as polyphenols, which exhibit antibacterial, antiviral, antioxidant, and immunomodulatory properties. Ulvan, a heteropolysaccharide present in its cell walls, is known for its antiviral, antioxidant, and antimicrobial properties.  This study aims to identify the potential of Ulva lactuca as a source of nutrition and health benefits. The research is descriptive-exploratory, aiming to analyze the phytochemical composition and total polysaccharides in Ulva lactuca from Ujung Genteng Beach, Sukabumi, West Java, and Lombok Beach, West Nusa Tenggara. The results indicate that the highest flavonoid content was found in the Ulva lactuca extract from Sukabumi, measuring 3.95 mg/L, compared to 3.686 mg/L in Ulva lactuca from Lombok. The alkaloid content in Ulva lactuca from Lombok was 26.53 mg/L, while in Ulva lactuca from Sukabumi, it was 24.78 mg/L. The highest tannin content was found in Ulva lactuca from Lombok at 9.87 mg/L, compared to 3.53 mg/L in Ulva lactuca from Sukabumi. The polysaccharide content in Ulva lactuca from Sukabumi was 50.83 mg/L, whereas it was 38.165 mg/L in Ulva lactuca from Lombok. Proximate analysis showed that Ulva lactuca from Lombok had a higher protein content (20.44%) compared to that from Sukabumi (15.47%).
Co-Authors Ating Yuniarti Eka Supriatin, Febriyani Fuad Muhammad Jafron Wasiq Hidayat Lailaturramadhini, Nova Ridwanudin, Asep Wicaksono, Andy Yunita Maimunah