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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Biologi Tropis Advance Sustainable Science, Engineering and Technology (ASSET)
Muh. Herjayanto
University Of Sultan Ageng Tirtayasa
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Control & Systems Engineering Education Electrical & Electronics Engineering Energy Immunology & microbiology Materials Science & Nanotechnology Physics

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Growth Performance of Daphnia sp. Cultured in Different Concentration of Rice Washing Water Lukman Anugrah Agung; Muh. Herjayanto; Edo Ahmad Solahudin; Rizky Muliani Dwi Ujianti
Advance Sustainable Science, Engineering and Technology (ASSET) Vol 2, No 2 (2020)
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/asset.v2i2.6439

Abstract

Abstract. This study aimed to investigate the effect of the administration of rice washing water in culture medium on the growth performance of Daphnia sp. This research using three different doses of rice washing water i.e 1 mL/L, 3mL/L, and 5 mL/L. Daphnia sp. was cultured with an initial density of 20 ind/L. Observed parameters include growth parameters (population density, size and specific growth rate) and water quality. This result showed that a concentration of 3 mL/L created the highest population of Daphnia sp. density about 620±20 ind/L, number small size (young stage) 81.2%, and the highest specific growth rate about 56.68±0.55%. The water quality content of  DO, temperature and pH during this study were in the good range of Daphnia sp. life and reproduction. The research has a conclusion that rice washing water can be used to nutritional sources of Daphnia sp. In the future, it is necessary to make further observations about the reproductive performance of Daphnia sp, given rice washing water through clone culture.Keywords: Live food, Population density, Rice washing water, Size of Daphnia sp., Specific growth rate
Incubation of Oryzias woworae Eggs at Different Temperature on Embryo Development and Hatching Performance Nisa Nafiyanti; Mustahal Mustahal; Mas Bayu Syamsunarno; Muh. Herjayanto
Jurnal Biologi Tropis Vol. 21 No. 2 (2021): Mei - Agustus
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v21i2.2575

Abstract

Oryzias woworae is one of Muna Island's endemic fish, Sulawesi, which needs to be developed in cultivation and can be used as ornamental fish with high economic value. However, information on fish farming is not yet well available, especially at egg incubation temperatures. This study aims to determine the optimal temperature of the incubation water medium for the hatching performance of O. woworae eggs. The study used experimental methods with the treatment of differences in egg incubation temperatures at 24-26°C (temperature fluctuations in the laboratory), 24°C, 28°C and 32°C. The research parameters were analyzed descriptively, namely embryogenesis, hatching time, and hatching rates. The results showed that differences in incubation temperature affected the embryogenesis of O. woworae eggs. The obtained fastest time for hatching eggs O. woworae at a temperature of 32°C with six days 5 hours 49 minutes and 100% hatching. The egg incubation temperature 24-26°C is the lowest hatching time and hatching rate, nine days 11 hours 38 minutes and 53.33%. The use of 32°C in the incubation medium is the optimal temperature to accelerate embryogenesis and the hatching rate of O. woworae eggs.
Revisi Peta Distribusi Ikan Padi (Adrianichthyidae: Oryzias spp.) Berdasarkan Identifikasi Morfologi di Paparan Sunda Indonesia Akhsan Fikrillah Paricahya; Kiki Nur Azam Kholil; Ifa Sufaichusan; Muh. Herjayanto; Rengga Retno Laila Saputri; Abd. Rahem Faqih; Agung Pramana Warih Marhendra
Jurnal Penelitian Pendidikan IPA Vol 10 No 5 (2024): May
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i5.6758

Abstract

Members of the Adrianichthyidae family share typical distributions, as does the javanicus group, which inhabits western parts of Southeast Asia. Javanicus group members, specifically Oryzias javanicus and Oryzias hubbsi, is the only Adrianichthyidae species that can be spotted in Sundaland Indonesia. Morphological identification and the species distribution mapping of Oryzias specimens from Sundaland in this study were interpreted using ecoregional and dendogram tree approach. Specimens were collected from 11 areas representing five ecoregions in Sundaland Indonesia. Specimens were collected from islands of Java, Sumatra, Belitung and Kalimantan. Six individuals from each population of Oryzias were sampled for morphological identification. Specimens collected from estuaries were morphologically identified as O. javanicus and specimens from freshwater identified as O. hubbsi. Distribution of O. hubbsi from Salatiga is the first record from Central East Java (CEJ) ecoregion, which was previously only distributed in Southern Sumatra-Western Java (SWJ) ecoregion. Morphology of O. hubbsi from Sundaland Indonesia has mean of Standard Length (SL) 1.56 cm, Total Length (TL) 1.94 cm, Anal rays (A) 16, Pectoral rays (P) 8, and Dorsal rays (D) 6. Meanwhile, morphology of O. javanicus from Sundaland has mean of SL 2.07 cm, TL 2.56 cm, A 22, P 11, and D 6.
Co-Authors Abd. Rahem Faqih Agung Pramana Warih Marhendra Akhsan Fikrillah Paricahya Edo Ahmad Solahudin Ifa Sufaichusan Kiki Nur Azam Kholil Lukman Anugrah Agung Mas Bayu Syamsunarno Mustahal Mustahal Nisa Nafiyanti Rengga Retno Laila Saputri Rizky Muliani Dwi Ujianti