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All Journal Journal of Aquatropica Asia Aquasains : Jurnal Ilmu Perikanan dan Sumberdaya Perairan e-Jurnal Rekayasa dan Teknologi Budidaya Perairan

Indra Gumay Yudha

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Author-ID : 3308211

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Computer Science & IT Earth & Planetary Sciences Immunology & microbiology Other

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KESEDIAAN MEMBAYAR WISATAWAN TERHADAP UPAYA PELESTARIAN MANGROVE DI PULAU PAHAWANG, KABUPATEN PESAWARAN, LAMPUNG Boy Apriliawan; Indra Gumay Yudha; Suparmono Suparmono; Abdullah Aman Damai
Journal of Aquatropica Asia Vol 5 No 2 (2020): Journal of Aquatropica Asia
Publisher : Jurusan Akuakultur, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/aquatropica.v5i2.2205

Ecotourism on Pahawang Island is a well-known tourist destination in Pesawaran Regency, Lampung Province with has mangrove ecosystem covers an area of 141.94 ha. Unfortunately, in 2016, there was logging of the mangrove ecosystem on Pahawang Island which caused the mangrove ecosystem to suffer damage. This must be immediately responded to by conducting efforts to protect, conserve and manage the mangrove ecosystem by inviting the community to contribute. This research aimed to identify the characteristics and estimate the value of the visitor's willingness to pay for mangrove conservation efforts on Pahawang Island. This research was conducted in December 2019. The research data was collected using the multistage sampling method. The variables used in this study were willingness to pay, bid, income, education, age, gender, city of origin, marital status and tourism frequency. The results of this study are based on the characteristics of mangrove ecosystem tourists on Pahawang Island, namely, most visitors are willing to contribute to mangrove conservation efforts, come from outside Lampung Province, average age is between 20-29 years, average have a history of high school education, with income is less than Lampung minimum wages (Rp2,432,001.57), most of the respondents are not working and are not married. The result is showing estimated value of the willingness to pay of IDR5,000/individual per visit with an estimated cost of IDR 254,661,000/year.

HUBUNGAN PANJANG-BERAT DAN REPRODUKSI IKAN KUNIRAN Upeneus sulphureus (Cuvier, 1829) DI PPI KALIANDA, LAMPUNG SELATAN M Aldhy Nur Pradana; Abdullah Aman Damai; Indra Gumay Yudha; Suparmono Suparmono
Journal of Aquatropica Asia Vol 6 No 2 (2021): Journal of Aquatropica Asia
Publisher : Jurusan Akuakultur, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/aquatropica.v6i2.2613

Sulphur goatfish (Upeneus sulphureus) is the dominant caught with a fairly high level of utilization. This research aimed to analyze aspects of growth and reproduction sulphur goatfish caught by rampus nets landed at the fishing port of PPI Kalianda. Growth aspects that were observed included the length-weight, while the reproductive aspects observed is the sex ratio, gonad maturity level, and the size of sulphur goatfish at first maturity. This research was conducted in May-July 202 with the research method used simple random sampling method. The fish samples obtained during the study were 600 individuals, the results showed that Sulphur goatfish had negative allometric growth. The equation for the long-weight relationship of sulphur goatfish is log W = -4,6 + 2,9 log L or W = 2,8x10-5L2,9. The sex ratio of sulphur goatfish in May and July were not 1: 1, while the ideal condition was achieved in June. The gonad maturity level distribution of sulphur goatfish was dominated by TKG III and IV for female, while male sulphur goatfish was dominated by TKG II and III. Size at first maturity of sulphur goatfish females was 169,1 ± 1,03mm.

ANALISIS STATUS KEBERLANJUTAN PENGELOLAAN WISATA PANTAI GUCI BATU KAPAL DI DESA MAJA, KALIANDA, LAMPUNG SELATAN Yuwana Utami Cendrakasih; Indra Gumay Yudha; Darma Yuliana; Henni W Maharani
Journal of Aquatropica Asia Vol 6 No 2 (2021): Journal of Aquatropica Asia
Publisher : Jurusan Akuakultur, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/aquatropica.v6i2.2615

Tourism is an activity that supported with all the facilities at once the tourist activities which gained benefits parties included tourism or visitors, society and local government. Tourism as one of a development sector and driving force of the wheels of economy could not be released the connection with the sustainable development that had been planned by the government. The sustainable tourism development namely a development that could be supported as ecologically, economy worthy, also fair in ethics and social to society. The purpose of this research was to: (1) analyzing the status of tourist sustainability of Guci Batu Kapal beach from five sustainable dimensions (ecology, economy, technology infrastructure, also law and institutional); (2) Identifying factors that influencing sustainable index of Guci Batu Kapal beach tourism. This research was held on February 2021, in Guci Batu Kapal beach, Maja village, Kalianda, South Lampung. The methods that were used for this research was qualitative methods by descriptive research. Analyzing data that used was analyzing multi-dimensional scaling (MDS) with rapfish approach and leverage analysis. The result of this research showed that tourism of Guci Batu Kapal beach had an index score as 21,58 on a sustainable scale 0-100, which mean include in the bad impact (unsustainable) because of the index score was between in index score of 0-25,00. This analysis of Monte-Carlo showed that the index score of tourism Guci Batu Kapal beach sustainability was not that much different with the Rap-beachtour analysis, the difference obtained only for 0,0001-0,00003. The result was quite stable also the mistake in the input could not be avoided.

THE EFFECTS OF AMETHYST Datura metel (LINN, 1753) LEAVES EXTRACT AS AN ANESTHETIC AGENT ON HAEMATOLOGICAL CONDITION OF TILAPIA Oreochromis niloticus (LINN,1758) FRY Revita Syefti Palmi; Indra Gumay Yudha; Wardiyanto Wardiyanto
e-Jurnal Rekayasa dan Teknologi Budidaya Perairan Vol 8, No 1 (2019)
Publisher : University of Lampung

Anesthetic method is an important component to support the activities of transporting live fish from one place to another for a long period of time. Cost efficiency and effectiveness of anesthetic ingredients that not cause residues in fish are factors to beconsidered as an anesthetic. Aim of this research is to study the effect of subletal concentration of amethyst leaf extract on the hematological conditions of tilapia fry after transporting on wet transportation systems. The research procedure was through the amethyst leaf extract toxicity test series (LC50-96 hours) to determine its sublethal concentration by 20% (0,297 ml/l), 30% (0,445 ml/l) and 40% (0,594 ml/l) of the LC50 value. The measured parameters are clinical symptoms, period of fainting and conscious recovery, hematological analysis, survival rate, and water quality. The results showed the concentration of amethyst leaf extract had an effect (P<0,05) on the period of fainting and the hematological component after transportation simulation. Results of water quality measurement showed the parameters of pH at 6 and ammonia 0,04 mg/l are not at the optimum value when fish transportation occur. The recommended concentration of amethyst leaf extract for use as an anesthetic agent is 0,445 ml/l

STUDY ON THE DEVELOPMENT AND GROWTH OF LARVES OF TIGER GROUPER Epinephelus fuscoguttatus (Forskal, 1775) AT DIFFERENT MEDIA TEMPERATURES Virgia Wulandari; Indra Gumay Yudha; Eko Effendi
e-Jurnal Rekayasa dan Teknologi Budidaya Perairan Vol 9, No 1 (2020)
Publisher : University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrtbp.v9i1.p1039-1046

Water temperature has an influence on the development and growth of fish larvae. The appropriate water temperature can caused the development and growth of fish larvae optimum. This research aimed to study the effect of water temperature on the development and growth of brown marbled grouper larvae. This experimental design used a completely randomized design that had 3 treatments (26-28°C, 28-30°C, 30-32°C) equipped with 3 replications each. The parameters observed were the duration of yolk absorption, morphogenesis of larvae, and growth of body length. Data of larval morphogenesis development were analyzed descriptively, while the duration of yolk absorption and larval growth were analyzed of variance and post hoc test using the Least Significant Difference (LSD). The results showed that water temperature influenced morphogenesis development, the duration of yolk absorption, and the growth of larval significantly different. The result showed, larvae had morphological development and duration of yolk absorption faster in warmer incubation media.

STUDY OF USE FERMENTED BANANA Musa paradisiaca (Linnaeus, 1761) HUMPS AS ORGANIC FERTILIZER TO IMPROVE NATURAL FEED AVAILABILITY IN NURSERY OF HOVEN’S CARP Leptobarbus hoevenii (Bleeker, 1851) FRY Wahid Abdul Rosyid; Indra Gumay Yudha; Herman Yulianto
e-Jurnal Rekayasa dan Teknologi Budidaya Perairan Vol 8, No 1 (2019)
Publisher : University of Lampung

Plankton as a natural feed is thought to be a factor that affects the growth of hoven’s carp fry. Plankton abundance can be increased by the addition of organic fertilizers containing nutrients (nitrate and phosphate). Nutrients abundance can be increased by addition of fermented banana hump’s This research aimed to determine the use of fermented banana’s hump to increase the availability of natural feed nursery and the growth of hoven’s carp fry. The method of this research used a completely randomized design with four treatments and three replications, i.e: P1 (control), P2 (5,0 ppm), P3 (7,5 ppm), and P4 (10,0 ppm) addition of fermented banana’s hump. The measured parameters were nitrate, phosphate, plankton abundance, growth and water quality. The results showed the dose of addition of banana weed fertilizer had an effect (P< 0.05) on the abundance of natural feed and the growth of hoven’s carp fry. Results of water quality measurement showed the parameters of temperature ranged from 25 to 27 °C, pH ranged from 6,23 to 7,53, DO ranged from 3,40 to 11,36 and ammonia from 0 to 0,001 mg/l. The recomended dosage of fermented banana’s hump was 10 ppm for 1 l of water media.

THE STIMULATION OF GONAD MATURITY OF ASIAN REDTAIL CATFISH Hemibagrus nemurus (Valenciennes, 1840) THROUGH INDUCTION OF OOCYTE DEVELOPER (Oodev) HORMONE Devika Kharisma Putri; Tarsim Tarsim; Deny Sapto Chondro Utomo; Indra Gumay Yudha
e-Jurnal Rekayasa dan Teknologi Budidaya Perairan Vol 8, No 1 (2019)
Publisher : University of Lampung

Oodev hormone application has been applied to stimulate gonadal maturity so that fish fry could be available outside the spawning season. This research aimed to study the effect of Oodev hormone on the gonadal maturity of asian redtail catfish Hemibagrus nemurus (Valenciennes, 1840). This research method used a completely randomized design (CRD) with 4 doses treatments, i.e 0, 0,25, 0,50, 1,00 ml/kg. A total of 8 fish were used as replications for each treatment. The parameters measured were the gonado somatic index (GSI) and egg diameter. The results showed that the effect of Oodev hormone on GSI and egg diameter was significantly different (P<0.05). A higher Oodev hormone dose caused an increase of GSI and egg diameter size. The recommended Oodev dose for application is 1 ml/kg.

THE EFFECT OF rGH ADDITION ON ARTIFICIAL FEED ON HOVEN’S CARP GROWTH, Leptobarbus hoevenii (Bleker, 1851) Nur Selawati; Indra Gumay Yudha; Deny Sapto Chondro Utomo
e-Jurnal Rekayasa dan Teknologi Budidaya Perairan Vol 7, No 2 (2019)
Publisher : University of Lampung

Hoven’s carp is one of the potential fish in Indonesia to be developed. But due to its slow growth, making people not cultivating it. This research aimed to study the effect of using rGH and determine the best dosage on growth of hoven’s carp. Hoven’s carp used were 70 - 90 mm in size and 5 - 6 g in weight 4 months old. Hoven’s carp used are 10 fish in each pond This study used a completely randomized design with 4 treatments and 3 replications. The treatment was A (without administration of rGH), B (administration of rGH 1 mg/kg of feed), C (administration of rGH 2 mg/kg of feed), and D (administration of rGH 3 mg/kg of feed). Parameters observed consisted of growth absolute length, the growth of absolute weight, SR, FCR, and protein retention. The results showed that the effect on hoven’s carp growth of rGH and best dose in this study is in treatment B (administration of rGH 2 mg/kg of feed)

THE EFFECT OF PHYTASE ENZYMES ADDITION ON ARTIFICIAL FEED ON HOVEN’S CARP GROWTH, Leptobarbus hoevenii (Bleeker, 1851) Nora Sintia; Deny Sapto Chondro Utomo; Indra Gumay Yudha
e-Jurnal Rekayasa dan Teknologi Budidaya Perairan Vol 8, No 2 (2020)
Publisher : University of Lampung

Hoven’s carp is a freshwater fish found in Indonesian. This study aims to study the effect of the addition of phytase enzymes with different doses on commercial feed on the growth rate of hoven’s carp and determine the dose of the phytase enzyme that is best for the growth of sooty fish. This research was conducted for 70 days at the Fisheries Cultivation Laboratory, Department of Fisheries and Marine Resources, Faculty of Agriculture, University of Lampung. This study used a completely randomized design with 4 treatments and 3 replications. Treatment A without the administration of phytase enzymes, B giving phytase enzymes 250 mg/kg of feed, C giving phytase enzymes 500 mg/kg feed, D giving phytase enzymes 750 mg/kg of feed. The parameters observed were absolute length growth, absolute weight growth, daily growth rate, SR, FCR, and protein retention. The results showed that the administration of phytase enzymes had an effect on fish growth with a dose of phytase enzyme 750 mg/kg of feed showing good results.

PENAMBAHAN TEPUNG PUCUK Indigofera zollingeriana (Miquel, 1855) DALAM PAKAN UNTUK MENINGKATKAN KUALITAS WARNA IKAN SUMATRA Puntigrus tetrazone (Bleeker, 1855) Enggi Rizki Pratama; Berta Putri; Luki Abdullah; Indra Gumay Yudha; Dwi Mulyasih
e-Jurnal Rekayasa dan Teknologi Budidaya Perairan Vol 7, No 2 (2019)
Publisher : University of Lampung

Tiger barb (Puntigrus tetrazona) is one of the ornamental freshwater fish which has unique body shape and color compare to another ornamental fish. Fish color quality is caused by chromatophore pigmen cells in the epidermis layer. Increasing of color quality in fish can be reach through the addition of indigofera leaf meal that contain carotenoid. The aim of this research to study the effect of addition meal of Indigoferazollingerianaleaf on colour quality and growth of tiger barb. The experimental design used completely randomized design with 5 treatments i.e 0%, 5%, 10%, 15%, 20% of I. zollingeriana meal added in fish feed. The results showed that the addition of I. zollingeriana meal could increase tiger barb color quality. The addition of 15% I. zollingeriana meal was the best treatment

Co-Authors Abdullah Aman Damai Berta Putri Boy Apriliawan Deny Sapto Chondro Utomo Devika Kharisma Putri Dwi Mulyasih Eko EFFENDI Enggi Rizki Pratama Henni W Maharani Henni Wijayanti Maharani Herman Yulianto Luki Abdullah M Aldhy Nur Pradana Nora Sintia Nur Selawati Rara Diantari Rena Yolanda Revita Syefti Palmi Suparmono Suparmono Suparmono Suparmono Tarsim Tarsim Virgia Wulandari Wahid Abdul Rosyid Wardiyanto Wardiyanto Yuliana, Darma Yuwana Utami Cendrakasih

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