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All Journal Jurnal Gamma E-Dimas: Jurnal Pengabdian kepada Masyarakat Jurnal Pengabdian Kepada Masyarakat MEMBANGUN NEGERI Amalee: Indonesian Journal of Community Research & Engagement Indonesian Journal of Tropical Aquatic Journal of Community Service and Empowerment
Riza Rahman Hakim
Universitas Muhammadiyah Malang
Agriculture, Biological Sciences & Forestry Humanities Education Environmental Science Public Health Social Sciences Other

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Journal : Indonesian Journal of Tropical Aquatic

 1   2 
Effect of periodic fasting on growth and feed efficiency in Giant Freshwater Prawn (Macrobrachium rosenbergii, de Man 1879) Waskito Dwi Utomo; Riza Rahman Hakim; Ganjar Adhywirawan Sutarjo
IJOTA (Indonesian Journal of Tropical Aquatic) Vol. 2 No. 2 (2019): August
Publisher : Universitas Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/ijota.v2i2.6679

Abstract

There are obstacles in the aquaculture business that is still often facedbyfarmers, one of the challengesisthe high price of commercial feed. Feed as an energy source for growth is a reasonably high-cost component in production that reaches 40-89 %. In the control of food for efficiency, it could be done by the fasting method. This research was aimedtoanalyze the effect of periodic fastedofgiant prawn (Macrobrachium rosenbergii de Man, 1879) against growth and feed efficiency. This research was conducted at IBAP Installation, Probolinggo District - East Java Province. The experimental method used completely randomized design with five treatments and three replications, such as; P0: feeding without fasting (as control), P1: a-day fasted, a-day feeding, P2: a-day fasted, two-days feeding, P3: a-day fasted, three-day feeding, P4: a-day fasted, four-days feeding, P5: a-day fasted, five-day feeding. The results showed that periodic fasted of M. rosenbergii no significant effect on the daily growth rate, absolute weight growth, and feed efficiency. However, by looking at the rate of growth, thisfasting methodcouldbe used as an alternative to saving feed. The P5 showed the most effective in increasing daily growth rate, absolute weight growth, and effectiveness of giant prawn feeding. The strategy of periodic fasted to increase the production of giant prawns should consider the other supporting factors such as ideal water quality (pH, temperature, and DO), proper stocking density, and feeding periods on schedule.
Simple storage of sperm cells using combination of coconut and glycerol water towards motility and viability of Koi sperm (Cyprinus carpio) Agista Tsani Untsa; Ganjar Adhywirawan Sutarjo; Riza Rahman Hakim
IJOTA (Indonesian Journal of Tropical Aquatic) Vol. 2 No. 1 (2019): February
Publisher : Universitas Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/ijota.v2i1.7327

Abstract

Fish sperm is a crucial part of fish reproduction, especially for Cyprinus carpio. This study aimed to determine the effect of coconut water and glycerol on the motility and viability of sperm koi fish (Cyprinus carpio) and the best treatment on sperm storage of Showa koi fish.This research was conducted for 45 days at Installation ofPunten Freshwater Cultivation - Malang. Thecompletely randomized design (CRD) used with five treatments and three replications. The treatment comes in 750µl coconut water, 500µl coconut water, and 250µl glycerol, 375µl coconut water, and 375µl glycerol, 250µl coconut water and 500µl glycerol, and 750µl glycerol (P1, P2, P3, P4, and P5, respectively). Briefly, the spermis stored at a low temperature (4℃). Observation of sperm motility used sperm cell dilution contained physiologicalNaCl, while the viability calculation used eosin 2% by the smear method. Motility and viability investigationwere employedwere carried out under a microscope with 400x magnification. The results revealed that the addition of coconut water and glycerol had a significant difference on the motility and viability of sperm koi fish.  It could survive 96 hours of storage, but the longer motility and viability would decrease. The P3 showed the best result compared to others. The P3 had an average motility scale of 96 - 5.00 and the average viability is 87.38%. Based on it, the treatment could increase the motility and viability of koi fish sperm. 
The effect of AB Mix nutrition on growth performance of catfish (Clarias gariepinus) and lettuce (Lactuca sativa) cultivated in aquaponic systems Rogerio Lainus Tilman Sarmento; Riza Rahman Hakim; David Hermawan
IJOTA (Indonesian Journal of Tropical Aquatic) Vol. 3 No. 2 (2020): August
Publisher : Universitas Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/ijota.v3i2.12923

Abstract

Catfish farming is growing rapidly because the cultivation and marketing technology is relatively easy for the community to master, and the required business capital is relatively small. Pond water waste originating from fish metabolism and dissolved food waste is toxic to fish. One of the efforts that can be done is fish farming that is integrated with plants through an aquaponics system. Research to determine the effect of AB Mix addition on the growth of African catfish and lettuce cultivated by the aquaponics system. The research method used was an experimental method with a completely randomized design (CRD) consisting of three treatments and three replications. The addition of AB mixed nutrition did not differ in the growing significance of catfish and lettuce. However, the increase in growth occurred with an increasing dosage of AB mix with the best treatment with AB Mix 3 mL L-1. This treatment resulted in absolute growth in fish of 20.52 g and 4.62 g of watercress. The use of a dosage of AB mix higher than 3 mL L-1 may result in better growth.
Co-Authors Agista Tsani Untsa Ahmad Rusyda Hafidhi Albasa Albasa, Ahmad Rusyda Hafidhi Artadana, Ida Bagus Made Astuti, Triana Indri Budi Setyono Budi Setyono David Hermawan Dianita Wijayanti Dyah Worowirastri Ekowati Ganjar Adhywirawan Sutarjo Hany Handajani Hariyadi Hariyadi Hariyadi Hariyadi Ismi, Yuliani Jamhari Jamhari Kholista, Marry Ann Lailiyah, Ummi Badriyatul Machmud Effendy Machmud Effendy Marry Ann Kholista Maulidiya, Nurfitri Moh. Nurhuda Nurfitri Maulidiya Nurhuda, Moh. Puji Sumarsono Rogerio Lainus Tilman Sarmento Suwandayani, Beti Istanti Triana Indri Astuti Untsa, Agista Tsani Utomo, Waskito Dwi Waskito Dwi Utomo Yudhistyan Hanif Rahmawan Yuliani Ismi Yus Mochamad Cholily