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Journal of Fish Nutrition
Published by Universitas Mataram
ISSN : -     EISSN : 27983323     DOI : https://doi.org/10.29303/jfn.v2i2
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
The Journal of Fish Nutrition (JFN) has an objective to publish and provide high-quality scientific contributions to the field of fish nutrition. These contributions are sourced from innovative research that encourages science and technology development in the field of fish nutrition on a national and international scale. This journal serves as a communication medium for researchers, academics, students, and communities. This journal is published two times a year in June, and December. We accept review papers and full research articles. The Journal of Fish Nutrition’s scope includes nutritional sciences, and feed technology for various levels of the feed industry for various types of freshwater to marine fish in the tropics.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Perairan
Articles 93 Documents
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PENGKAYAAN VITAMIN E PADA PAKAN KOMERSIAL UNTUK PENINGKATAN KEMATANGAN GONAD IKAN NILA Andriani, Rovina; Abdullah, Nursanti; Muchdar, Fatma; Marus, Ikbal
Journal of Fish Nutrition Vol. 3 No. 1 (2023): Journal Of Fish Nutrition
Publisher : Journal of Fish Nutrition

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jfn.v3i1.2776

Abstract

Tilapia (Oreochomis niloticus) is one of Indonesia's freshwater fish which has economic value. One way to obtain optimal fish hatchery results is by improving reproductive performance, which can be increased by improving the nutritional quality of the parent feed. The nutritional elements that must be present in the main fish feed include vitamin E and fatty acids. Vitamin E has a very important and decisive role in fish reproduction, because Vitamin E functions as an antioxidant which can prevent the oxidation of unsaturated fatty acids in cells and as an antioxidant. Fatty acids present in the cell membrane can accelerate the embryogenesis process to run normally and reproduction results can be increased. Ovagrow is high-quality Vitamin E which is useful for maintaining the egg and sperm maturation process in the parent fish. Ovagrow is also useful for multiplying and improving the quality of eggs and sperm in brood fish. The purpose of this study was to determine the effect of giving different doses of ovagrow to accelerate gonadal maturation of tilapia and to determine the effect of adding ovagrow to gonadal maturity and egg fecundity in tilapia broodstock. The research method used a completely randomized design (CRD) which consisted of 4 treatments with 3 repetitions each. Treatment A ovagrow dose 0.3 gr/1 kg feed, Treatment B ovagrow dose 0.5 gr/1 kg feed, Treatment C ovagrow dose 0.7 gr/1 kg feed and Treatment D ovagrow dose (control) 1 gr/1 kg of feed. The results showed that the TKG of tilapia with the highest percentage was in treatment A and the best fecundity of tilapia was in treatments A and D with a total average value of 541.26. Based on the results of the research conducted, it can be concluded that administration of ovagrow at different doses did not have a significant effect on the gonad maturity level of tilapia broodstock and the average fecundity of tilapia (Oreochoromis niloticus).
PENGARUH KOMBINASI TEPUNG BEKICOT DALAM PAKAN TERHADAP PERTUMBUHAN IKAN NILA (Oreochromis niloticus) Sari, Yuri Purnama; Setyowati, Dewi Nur'Aeni; Lestari, Dewi Putri
Journal of Fish Nutrition Vol. 3 No. 1 (2023): Journal Of Fish Nutrition
Publisher : Journal of Fish Nutrition

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jfn.v3i1.1413

Abstract

ABSTRACT Tilapia (Oriochromis niloticus) is a freshwater fish that is widely cultivated and favored by the community, while the demand for tilapia is increasing along with the increasing public awareness of consuming fish as a source of animal protein. This research was conducted by experimental method using a completely randomized design (CRD) with 4 treatments and 3 replications. The treatments given were: Treatment 1: 100% feed formulation, Treatment 2: 70% feed formulation + 30% snail flour, Treatment 3: 65% feed formulation + 35% snail flour and treatment 4: 60% feed formulation + flour snails as much as 40% Based on the results of research that has been done, it can be concluded that the P2 treatment feed gave an absolute weight growth of 20.23 grams, an absolute length growth of 2.56 cm, a specific growth of 4.33%, the best FCR of P2 was 0, 51% and the results of P2 feed efficiency were higher than other treatments, namely 200.08%. The survival of tilapia with the addition of snail flour at a dose of 30% resulted in an SR of 83.33%. The addition of snail flour to feed with different doses can affect absolute weight, SGR, FCR, and EPP, but does not affect the absolute length and survival of fish. Keywords: Tilapia, Snail Flour
PENGARUH KOMPOSISI DAN DOSIS MEDIA TERHADAP PERTUMBUHAN CACING SUTRA (Tubifex sp.) Hafsah, Hafsah; Lumbessy, Salnida Yuniati; Lestari, Dewi Putri
Journal of Fish Nutrition Vol. 3 No. 2 (2023): Journal Of Fish Nutrition
Publisher : Journal of Fish Nutrition

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jfn.v3i2.1423

Abstract

This study aims to analyze the effect of media composition and dose on the growth of silkworms. The test animals used in this study were silkworms (Tubifex sp.). The method used in this study was an experimental method using a completely randomized design (CRD) consisting of 5 treatments and 3 replications in order to obtain 15 experimental units, namely P1 (50% fermented chicken manure, 25% fermented tofu dregs and 25% tapioca meal), P2 (50% sludge, 25% fermented tofu dregs and 25% tapioca meal), P3 (50% fermented chicken manure, 25% fermented tofu dregs and 25% fermented bran), P4 (50% mud, 25% tofu dregs fermented and 25% Fermented Bran), P5 (25% fermented chicken manure, 25% mud, 25% fermented tofu dregs, 25% Fermented Bran). The results showed that there was no effect between treatments on absolute growth and productivity but the use of substrates in silkworm cultivation for 30 days with a composition of 25% fermented chicken manure, 25% mud, 25% fermented tofu dregs and 25% fermented bran could increase absolute growth. silk worms amounted to 7.2 g and a productivity value of 0.76 g / cm2.
PENGARUH KOMBINASI PEMBERIAN PAKAN PELET DAN PAKAN NABATI YANG BERBEDA TERHADAP PERTUMBUHAN DAN KELANGSUNGAN HIDUP BENIH IKAN GURAMI (Osphronemus gouramy) Adiningsih, Baiq Endang; Diniarti, Nanda; Abidin, Zaenal
Journal of Fish Nutrition Vol. 3 No. 2 (2023): Journal Of Fish Nutrition
Publisher : Journal of Fish Nutrition

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jfn.v3i2.3000

Abstract

Gouramy (Osphronemus gouramy) is one of the freshwater fishery commodities that are in great demand by the public, both by consumers and cultivators. Consumers like gouramy because it tastes delicious and tasty, while cultivators like gourami because it has a higher selling price compared to other freshwater fishery commodities. Feed is an important component in fish farming activities. Feed is a source of material and energy to support the growth and survival of fish, on the other hand feed is also the largest component of 50-70% of production costs. The purpose of this study was to determine the effect of feeding a combination of pellets and vegetable feed on the growth and survival of gouramy and to see the best type of vegetable feed. The results of the research were the results of the test parameters measured during the study, namely absolute weight growth, specific weight growth, absolute length growth, specific length growth, feed conversion ratio (FCR), feed efficiency level (EPP), and survival rate (SR). As well as water quality data including the degree of acidity (pH), temperature, dissolved oxygen (DO), ammonia and alkalinity. The results of parameter measurements showed that the P4 treatment showed the best results for each parameter that had been observed. The effect of giving a combination of pellet feed and vegetable feed on gourami (Osphronemus gouremy) seed cultivation gave insignificant results on absolute weight growth, specific weight growth, absolute length growth, specific length growth, feed conversion ratio, feed efficiency level, and survival rate live gourami. Treatment 3 (a mixture of pellets and papaya leaves) gave the best results compared to other treatments.
PENGARUH KOMBINASI PENAMBAHAN TEPUNG GURITA (Octopus sp.) SEBAGAI BAHAN BAKU PAKAN IKAN LELE (Clarias sp.) Fahrurozi, Fahrurozi; Lumbessy, Salnida Yuniarti; Dewi Putri Lestari
Journal of Fish Nutrition Vol. 3 No. 2 (2023): Journal Of Fish Nutrition
Publisher : Journal of Fish Nutrition

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jfn.v3i2.3033

Abstract

Tujuan dilakukan penelitian ini adalah untuk malakukan analisa pengaruh kombinasi penambahan tepung gurita terhadap laju pertumbuhan ikan lele (Clarias sp). Rancangan penelitian yang digunakan dalam penelitian ini adalah Rancangan Acak Lengkap (RAL). Aspek yang diteliti adalah pengaruh Aspek yang di teliti adalah melihat laju pertumbuhan benih ikan lele dengan menggunakan kombinasi pakan yang dicampurkan dengan tepung daging gurita. Parameter yang diteliti adalah bagaimana pengaruh kombinasi penambahan tepung gurita sebagai bahan baku ikan lele, sehingga diperoleh 12 percobaan. Perlakuan 1: Penambahan 100% pakan komersil, 0% tepung gurita Perlakuan 2 : Penambahan 98% pakan komersil, 2% tepung gurita, Perlakuan 3 : Penambahan 96% pakan komersil, 4% tepung gurita, Perlakuan 4: Penambahan 94% pakan komersil, 6% tepung gurita. Hasil penelitian menunjukan nilai laju pertumbuhan bobot mutlak pada perlakuan 4 senilai 5,44 gram, laju pertumbuhan berat spesifik senilai 2,60%, nilai laju pertumbuhan panjajng mutlak sebesar 3,30 cm, laju pertumbuhan Panjang spesifik senilai 0,81%, dan pada tingkat kelangsungan hidup tertinggi pada perlakuan 3 dan 4 sebesar 100%, nilai efisiensi pakan tertinggi pada perlakuan 4 sebesar 87,54%, dan rasio konversi pakan terendah pada perlakuan 4 senilai 1,13. Untuk hasil parameter kualitas air suhu 26,8-30,10C, DO 3,6-5,2 mg/L, dan pH 7,5-8,4.
OPTIMALISASI PERTUMBUHAN DAN KELANGSUNGAN HIDUP BENIH IKAN BANDENG (Chanos chanos) MELALUI SUPLEMENTASI MINYAK ZAITUN PADA PAKAN KOMERSIL Putriani, Herni; Lumbessy, Salnida Yuniarti; Mukhlis, Alis
Journal of Fish Nutrition Vol. 4 No. 2 (2024): Journal Of Fish Nutrition
Publisher : Journal of Fish Nutrition

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jfn.v4i2.5103

Abstract

This study aims to evaluate the effect of olive oil supplementation in commercial feed on the growth and survival rate of milkfish (Chanos chanos) fry. The research used a Completely Randomized Design with five treatments and three replications: control without oil addition (A), fish oil 1 ml/30 g feed (B), olive oil 0.5 ml/30 g feed (C), olive oil 1 ml/30 g feed (D), and olive oil 1.5 ml/30 g feed (E). The results showed that olive oil supplementation significantly affected growth and survival (p<0.05). Treatment D (olive oil 1 ml/30 g feed) demonstrated the best performance with absolute weight growth of 0.40 g, relative weight growth of 366.7%, specific daily weight growth rate of 3.48%/day, and relative length growth percentage of 172.2%. This treatment resulted in the highest survival rate of 86.7%. These values were significantly higher compared to other treatments, including fish oil supplementation. These findings indicate that olive oil supplementation at a dose of 1 ml/30 g feed can effectively optimize the growth and survival of milkfish fry, and has the potential to become a sustainable alternative to fish oil in aquaculture feed formulations.
PENGARUH SUHU YANG BERBEDA TERHADAP PERTUMBUHAN DAN TINGKAT KELANGSUNGAN HIDUP SPAT KERANG MUTIARA (Pinctada maxima) Mayunita, Alfina Laila; Mukhlis, Alis; Mulyani, Laily Fitriani
Journal of Fish Nutrition Vol. 4 No. 2 (2024): Journal Of Fish Nutrition
Publisher : Journal of Fish Nutrition

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jfn.v4i2.5231

Abstract

This study aimed to evaluate the effects of different temperatures on growth, feed filtration rate, and survival rate of pearl oyster spat (Pinctada maxima). The research was conducted using a Completely Randomized Design with three temperature treatments (control/room temperature 29-31°C, 32°C, and 34°C) and four replications. Twenty-five-day-old spats were reared for 21 days in containers containing 10L of seawater with a density of 75 spats per container. Results showed that temperature significantly affected (p<0.05) spat growth and filtration rate. The highest growth was found at 34°C treatment with absolute growth of 5.11±0.05 mm, relative growth of 211.2±2.25%, and specific growth rate of 5.55±0.04%/day. The highest filtration rate was also recorded at 34°C (140.4±2.1 ml/hour/spat). However, the highest survival rate was found at 32°C (83.3±2.6%). These results indicate that temperatures of 32-34°C can be recommended for pearl oyster spat cultivation, considering the balance between optimal growth and survival rate.
PERTUMBUHAN DAN TINGKAT KELANGSUNGAN HIDUP SPAT KERANG MUTIARA (Pinctada maxima) DENGAN KOMBINASI FITOPLANKTON Chaetoceros amami DAN Nitzschia sp. Auliyah, Annisah Nur; Mukhlis, Alis; Asri, Yuliana
Journal of Fish Nutrition Vol. 3 No. 1 (2023): Journal Of Fish Nutrition
Publisher : Journal of Fish Nutrition

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jfn.v3i1.5254

Abstract

This study aims to evaluate the effect of the combination of Chaetoceros amami and Nitzschia sp. phytoplankton as natural food for the growth and survival of pearl oysters (Pinctada maxima). The experimental method was used with five different treatments consisting of treatment A = C. amami 100%; B = C. amami 75% + Nitzschia sp. 25%; C = C. amami 50 % + Nitzschia sp. 50%; D = Nitzschia sp 75% + C. amami 25%; E = Nitzschia sp 100%. Each treatment was repeated 3 times and the experimental units were randomly assigned using a Completely Randomized Design (CRD).  This research aims to assess the optimal natural feed for pearl oyster spat. The results of this study showed that feeding in combination had a significant effect (P<0.05) on the growth value of pearl mussels (P. maxima), the highest value of absolute growth of pearl mussels (P. maxima) which was maintained for 21 days was obtained, namely in treatment B (C. Amami 75% + Nitzschia sp 25%) with a mean ± SD size of 7.5 ± 0.2 mm and the highest survival rate results in treatment B (C. amami 75% + Nitzschia sp 25%) namely 89%. The results of this research are expected to provide valuable insights into the suitable natural feed to support the growth and survival of pearl oyster spat.
Penambahan Tepung Rumput Laut Euchema cottoni Hasil Fermentasi EM-4 Dengan Molase dan Tanpa Molase Pada Pakan Ikan Nila (Oreochromis niloticus) Imron, Imron
Journal of Fish Nutrition Vol. 3 No. 2 (2023): Journal Of Fish Nutrition
Publisher : Journal of Fish Nutrition

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jfn.v3i2.5319

Abstract

The purpose of this study was to analyze the effect of adding fermented seaweed powder using molasses and without molasses in the feed. This research was conducted at the Laboratory of Fish Production and Reproduction, University of Mataram for 50 days from September to October 2022. This research used an experimental method with a completely randomized design (CRD) consisting of 3 treatments and 5 replications. The treatments tested were control (P1), E. cottoni seaweed flour fermented without molasses (P2), E. cottoni seaweed flour fermented using molasses (P3). Data were analyzed using analysis of variance (ANOVA) at the 5% level with a 95% confidence interval and continued with Duncan's test. The results of the 50-day rearing period showed that the average absolute weight of tilapia ranged from 4.79-5.49 g, absolute length ranged from 4.36-5.43 cm, and specific growth rate ranged from 1.60-1. .78% per day. Meanwhile, feed utilization efficiency (EPP) values ​​ranged from 63-68%, feed conversion ratio (FCR) ranged from 1.58-1.74 and survival (SR) ranged from 96-98%. While the average temperature is 27-30oC, the average pH value is 7.4-8.5, and the average DO value is between 4.5-8 m/mL. The conclusion of this study was that the addition of fermented E. cottoni seaweed flour had a significant effect on absolute weight, absolute length, specific growth rate, feed conversion ratio, feed utilization efficiency, and the fermentation process using molasses could be an alternative for growing tilapia.
EFFECT OF ADDING PINEAPPLE PEEL PENGARUH PENAMBAHAN EKSTRAK KULIT NANAS TERHADAP EFISIENSI PEMANFAATAN PAKAN DAN LAJU PERTUMBUHAN BENIH IKAN KAKAP PUTIH (Lates calcarifer): Bahasa Indonesia Pratiwi, Dwi Indah; Lestari, Dewi Putri; Diniarti, Nanda
Journal of Fish Nutrition Vol. 3 No. 2 (2023): Journal Of Fish Nutrition
Publisher : Journal of Fish Nutrition

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jfn.v3i2.5324

Abstract

Baramundi (Lates calcarifer) is a leading commodity in Indonesia, but it faces challenges in terms of feed efficiency. Feed is a key factor in determining production costs. Feed efficiency in fish will increase if the feed provided can be well-digested by the fish, allowing the energy obtained from the feed to be optimization. One effort to achieve this is by using pineapple peel waste as a source of the enzyme bromelain. The objective was to analyze the effect of adding pineapple peel extract on growth, feed utilization efficiency, digestion time, and the optimal dosage given to white snapper (Lates calcarifer). This research used an experimental method with a Completely Randomized Design (CRD). The aspects studied were the effectiveness of adding pineapple peel extract at different dosages to the feed with four treatments and four repetitions, resulting in 16 experimental units. P1 was without the addition of pineapple peel extract (control), P2 with the addition of 25 ml of pineapple peel extract per kg of feed, P3 with the addition of 50 ml of pineapple peel extract per kg of feed, and P4 with the addition of 75 ml of pineapple peel extract per kg of feed. Based on the results of the research concluded that adding pineapple peel extract at different dosages to the feed had a significantly different effect on absolute weight growth, absolute length growth, feed conversion, feed utilization efficiency, and stomach emptying time in white snapper. However, the addition of pineapple peel extract at different dosages to the feed did not have a significantly different effect on the survival rate of common carp. The best values in each test parameter were found in the treatment with adding 50 ml of pineapple peel extract per kg of feed

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