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Ali Rahmat
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Research and Social Study Institute (RESSI) Prenggan, Kotagede, Kota Yogyakarta, Daerah Istimewa Yogyakarta 55172
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Open Global Scietific Journal
Published by Research and Social Study Institute
ISSN : -     EISSN : 29617952     DOI : https://doi.org/10.33292/ogsj.v1i2.8
Core Subject : Agriculture, Social,
Agriculture, Biological Sciences & Forestry Environmental Science
Open Global Scietific Journal (OGSJ) is a periodical publication from the IResearch and Social Study Institute (RESSI). Published semiannually, the journal has a goal to be a means of communication and dissemination of research results in Agriculture Sciences. Start Vol 1 Issue 2 Open Global Scientific Journal will publishes research articles, reviews/mini-reviews and letters in all areas of agricultural science. Topics covered include: 1. Agronomy 2. Plant breeding 3. Agricultural biotechnology (including tissue culture, molecular markers, molecular diagnostics, vaccines, genetic engineering, genome editing as well as synthetic biology) 4. Crop physiology and agroecology 5. Soil science and agroclimatology 6. Agricultural economics and rural sociology 7. Sustainable systems 8. Crop protection and Cultivation 9. Pharmacognosy and Pharmaceutical Development 10. Environmental implications of agricultural land 11. Environmental Sciences, including prevention and correction of adverse environmental effects (e.g., soil degradation, waste management, bioremediation)
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 53 Documents
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Effectiveness of Vitamin C-Enriched Tubifex Worms (Tubifex sp.) as Live Feed for African Catfish (Clarias sp.) Larvae Imam Tri Wahyudi; Sheny Permatasari; Andri Hendriana
Open Global Scientific Journal Vol. 5 No. 1 (2026): Open Global Scientific Journal
Publisher : Research and Social Study Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70110/ogsj.v5i1.112

Abstract

Background: Live feed is a critical factor in the successful rearing of African catfish (Clarias sp.) larvae, particularly during the early developmental. Tubificid worms (Tubifex sp.) are commonly used as live feed due to their high protein content; however, their nutritional value can be further improved through enrichment techniques.Aims: This study evaluated the effects of vitamin C-enriched Tubifex worms on the growth performance and survival of African catfish larvae.Methods: A completely randomized design (CRD) consisting of three treatments and three replications was employed: unenriched Tubifex worms (control), enrichment with 2.5 g L⁻¹ vitamin C (A), and enrichment with 3.5 g L⁻¹ vitamin C (B). Data on survival rate (SR), specific growth rate (SGR), and growth rate (GR) were analyzed using one-way analysis of variance (ANOVA), followed by Duncan's multiple range test at a 95% confidence level. Seven-day-old larvae were reared for seven days and fed enriched worms according to the respective treatments. Growth performance was assessed using survival rate (SR), specific growth rate (SGR), and growth rate (GR).Results: The results showed that vitamin C enrichment significantly affected (P < 0.05) the survival rate, specific growth rate, and growth rate of African catfish larvae. The treatment enriched with 2.5 g L⁻¹ vitamin C produced the highest survival rate (86.67 ± 12.09%), specific growth rate (1.70 ± 0.66% day⁻¹), and growth rate (0.125 ± 0.055 g day⁻¹). These values were significantly higher than those of the control treatment and numerically higher than those of the 3.5 g L⁻¹ treatment.Conclusion: In conclusion, enrichment of Tubifex worms with vitamin C at 2.5 g L⁻¹ is an effective strategy for improving growth performance and survival of African catfish larvae and may be applied as a practical nutritional approach during the early rearing stage.
Artemia as a Strategic Live Feed in Fish and Shrimp Hatcheries: Nutritional Value, Enrichment Technologies, and Implications for Larval Growth and Survival: A Literature Review Sheny Permatasari
Open Global Scientific Journal Vol. 5 No. 1 (2026): Open Global Scientific Journal
Publisher : Research and Social Study Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70110/ogsj.v5i1.113

Abstract

Background: Live feed availability is a critical factor determining the success of fish and shrimp hatchery operations. Among various live feeds, Artemia remains one of the most widely used organisms due to its suitable particle size, high digestibility, ease of storage, and capacity for nutritional enrichment.Aims: This review aimed to synthesize current knowledge regarding the nutritional value of Artemia, its application in hatchery systems, enrichment strategies, and its effects on larval growth and survival in commercially important aquaculture species.Methods: A systematic literature review was conducted following a structured search of peer-reviewed articles published between 2015 and 2025. Relevant literature was retrieved from Google Scholar, ScienceDirect, SpringerLink, and other scientific databases using predefined keywords related to Artemia, enrichment technologies, hatchery management, and larval performance. Studies were screened based on relevance to fish and shrimp larviculture, nutritional enhancement, and biological performance indicators.Results: The reviewed studies consistently demonstrated that Artemia significantly improves larval growth, specific growth rate, size uniformity, and survival in various aquaculture species, including Litopenaeus vannamei, Penaeus monodon, Oreochromis niloticus, Lates calcarifer, and Clarias gariepinus. Furthermore, enrichment with highly unsaturated fatty acids (HUFAs), omega-3 fatty acids, microalgae, probiotics, synbiotics, vitamins, and phytogenic compounds substantially enhanced the nutritional quality of Artemia, resulting in improved growth performance, immune competence, stress tolerance, and disease resistance.Conclusions: Artemia remains an indispensable live feed in modern hatchery systems. Advances in enrichment technologies have transformed Artemia from a conventional live feed into an effective nutrient delivery platform capable of enhancing larval performance and hatchery productivity. Future development should focus on strengthening domestic Artemia production, improving enrichment efficiency, and integrating biosecure hatchery management practices to support sustainable aquaculture development.
Effect of Coffee Grounds Waste Application on the Growth of Green Grass Jelly Cuttings (Premna oblongifolia Merr.) Alif Abdullah Zakaria; Dirgahani Putri; Rosdiana Rosdiana; Sukrianto Sukrianto
Open Global Scientific Journal Vol. 5 No. 1 (2026): Open Global Scientific Journal
Publisher : Research and Social Study Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70110/ogsj.v5i1.92

Abstract

Background: The quality of green grass jelly cuttings can be improved through fertilization. Coffee grounds waste is one alternative material that can be used as a fertilizer. The organic carbon (C), nitrogen (N), phosphorus (P), and potassium (K) content of coffee grounds waste has been reported to support plant growth in previous studies. However, the appropriate application rate of coffee grounds waste for supporting the growth of green grass jelly cuttings has not yet been clearly established.Aims: This study aimed to determine the effect of coffee grounds waste application rates on the growth of green grass jelly cuttings.Methods: The study was conducted from March to May 2023 in Talagening, Bobotsari, Purbalingga, Central Java, Indonesia. A randomized complete block design (RCBD) was used with six treatments: NPK fertilizer at 3 g polybag⁻¹ and coffee grounds waste at 10, 20, 30, 40, and 50 g polybag⁻¹. Data were analyzed using an F-test, followed by Duncan’s Multiple Range Test (DMRT) at the 5% significance level when significant differences were observed.Results: Coffee grounds waste application promoted the growth of green grass jelly cuttings. The application rate of 40 g polybag⁻¹ was effective in increasing the number of shoots, shoot height, number of leaves, leaf length, leaf width, number of roots, and fresh weight of the cuttings.Conclusion: Coffee grounds waste at 40 g polybag⁻¹ was an effective application rate for promoting the growth of green grass jelly cuttings.

Page 6 of 6 | Total Record : 53

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