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JFMR-Journal of Fisheries and Marine Research
Published by Universitas Brawijaya
ISSN : 2337621X     EISSN : 25810294     DOI : -
Journal of Fisheries and Marine Research (JFMR) is dedicated to published highest quality of research papers on all aspects of : Aquatic Resources, Aquaculture, Fisheries Resources Technology and Management, Fish Technology and Processing, Fisheries and Marine Social Economic and Marine Science. This journal is jointly published by Faculty of Fisheries and Marine Science, Brawijaya University Malang Indonesia and Ikatan Sarjana Perikanan Indonesia (Ispikani). JFMR is a new journal but related to the past journal of Faculty of Fisheries and Marine Science that is Jurnal Penelitian Perikanan (JPP) with ISSN: 2337-621X (print version) and website link of www.jpp.ub.ac.id
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Articles 38 Documents
Pemutihan Karang Akibat Pemanasan Global Tahun 2016 Terhadap Ekosistem Terumbu Karang: Studi Kasus Di TWP Gili Matra (Gili Air, Gili Meno dan Gili Trawangan) Provinsi NTB Setiawan, Fakhrizal; Muttaqin, Azhar; Tarigan, S.A; Muhidin, Mr.; Hotmariyah, Mr.; Sabi, Abdus; Pingkan, Jessica
JFMR-Journal of Fisheries and Marine Research Vol 1, No 2 (2017)
Publisher : JFMR-Journal of Fisheries and Marine Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (659.222 KB) | DOI: 10.21776/ub.jfmr.2017.001.02.1

Abstract

AbstractIncreased sea surface temperatures due to global warming that occurred from the early to mid 2016 caused of coral bleaching in several locations in TWP Gili Matra. Observations of coral bleaching  obtained from coral colonies compotition affected by bleaching (50%), white (18%), death (1%) and was not affected (31%). These implications resulting decline in coral cover but not significant (F (1,013) = 0.333, p > 0.05) from 23,43% ± 2,61 SE in 2012 to 18,48% ± 4,14 SE in 2016 and a significant decrease (P (58,06) = 3,8e-06) recruitment of coral (coral Juvenil) from 6,66 ind.m-1 ± 1,04 SE in 2012 to 1,41 ind.m-1 ± 0,16 SE in 2016. the other impact is a significant reduction (P(20.84) = 0,00053, p <0,001) the abundance of reef fish from 28.733,26 ind.ha-1 ± 3.757,89 SE in 2012 to 11.431,18 ind.ha-1 ± 702,53 SE in 2016 and a decline in the biomass of reef fish but not significant (F (0,58) = 0,46, P> 0.05) from 506,56 kg.ha-1 ± 99,05 SE in 2012 to 438,41 kg.ha-1 ± 45,69 SE in 2016. The decline of coral recruitment resulted in the recovery of the affected areas bleaching becomes slow because of the juvenile new coral mostly dead. The second impact of bleaching is an abundance of fish decrease, indicating that is available only fish big size (adult) and very less of small fishes, including juvenile. Keywords: global warming, coral bleaching, coral cover, reef fishes AbstrakPeningkatan suhu permukaan laut akibat pemanasan global yang terjadi dari awal hingga pertengahan tahun 2016 memberikan dampak pemutihan karang di beberapa lokasi di TWP Gili Matra. Hasil pengamatan pemutihan karang didapatkan komposisi dari koloni karang yang terkena pemutihan (50%), pucat (18%), mati (1%) dan tidak terdampak 31%.  Implikasi ini mengakibatkan turunnya tutupan karang namun tidak signifikan (P(1.013)=0.333,p> 0,05) dari 23,43% ± 2,61 SE di tahun 2012 menjadi 18,48 % ± 4,14 SE di tahun 2016 serta penurunan signifikan (P(58,06) = 3,8e-06)rekruitmen karang (Juvenil karang) dari 6,66 ind.m-1 ± 1,04 SE di tahun 2012 menjadi 1,41 ind.m-1 ± 0,16 SE di tahun 2016. Dampak lainnya yaitu penurunan signifikan (P(20,84)=0,00053,p<0,001) kelimpahan ikan karang  dari 28.733,26 ind.ha-1 ± 3.757,89 SE di tahun 2012 menjadi 11.431,18 ind.ha-1 ± 702,53 SE di tahun 2016  serta penurunan biomassa ikan karang namun tidak signifikan (P(0,58)=0,46 ,P> 0,05) dari 506,56 kg.ha-1 ± 99,05 SE di tahun 2012 menjadi 438,41 kg.ha-1  ± 45,69 SE di tahun 2016. Hasil penelitian menunjukkan dampak bleaching menyebabkan sedikitnya rekrutmen karang yang mengakibatkan proses recovery area terdampak menjadi lambat dikarenakan juvenil karang baru sebagian besar mati. Dampak kedua dari bleaching ini yaitu kelimpahan ikan yang turun signifikan, hal ini mengindikasikan yang tersedia hanya ikan-ikan ukuran besar (dewasa) dan sedikitnya ikan-ikan kecil termasuk juvenile yang ditemukan.Kata kunci: pemanasan global, pemutihan karang, tutupan karang, ikan karang
Tingkat Kesuburan Perairan Di Waduk Wonorejo Dalam Kaitannya Dengan Potensi Ikan permanasari, setya widi ayuning; Kusriani, Ms.; Widjarnako, Putut
JFMR-Journal of Fisheries and Marine Research Vol 1, No 2 (2017)
Publisher : JFMR-Journal of Fisheries and Marine Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (368.761 KB) | DOI: 10.21776/ub.jfmr.2017.001.02.6

Abstract

AbstrakWaduk Wonorejo mendapatkan masukan air secara terus menerus dari Kali Wangi dengan membawa beban limbah dari aktivitas manusia, pertanian, pemukiman dan peternakan. Sehingga dapat memicu kesuburan perairan pada waduk. Kesuburan perairan dapat digambarkan dari nilai Produktivitas Primer yang selanjutnya berguna untuk mengestimasi produksi ikan yang berada di perairan tersebut. Tujuan dari penelitian tersebut adalah untuk mengidentifikasi pengaruh produktivitas primer perairan dan potensi ikan yang tertangkap di Waduk Wonorejo. Metode penelitian menggunakan metode observatorial dan penentuan kesuburan perairan menggunakan metode Tropic State Indeks. Kualitas air pada waduk didapatkan bahwa suhu berkisar 29-31oC, kecerahan berkisar 57,5-98,5 cm. Parameter kimia didapatkan pH berkisar 5-7, DO berkisar 6,21-10,03 mg/l, CO2  berkisar 3,9-18,97 mg/l, nitrat berkisar 0,54-1,6mg/l dan ortofosfat berkisar 0,005-0,168 mg/l. Nilai klorofil-a berkisar 2,76-16,1 mg/m3. Produktivitas primer 1,63-4,55 g C/m3/hari Nilai TSI berkisar 51,282-61,080. Kesimpulan bahwa kesuburan perairan di Waduk Wonorejo tergolong dalam perairan eutrofik berat dan potensi perikanan sebesar 3963,252 ton ikan/tahun. Hasil dari penelitian ini diharapkan dapat memberikan gambaran untuk acuan pengelolaan pemerintah setempat dan pengelola Waduk Wonorejo dalam mengelola Waduk Wonorejo agar berjalan secara tepat, berkesinambungan serta berkelanjutan.Keywords: Estimasi Potensi Ikan, Hipereutrofik, Kualitas Air, TSI AbstractWonorejo Reservoirs gets input water is constantly being from Kali Wangi with carrying burdens waste of human activities, agriculture, settlement and animal husbandry. So, that it can trigger fertility on reservoir waters. Water trophic levels can be described from the primary productivity and useful to estimate production of fish in these waters. The purpose of the research was to identify the influence of productivity primary waters and the potential fish are caught in Wonorejo Reservoirs. The methodology used observatorial methods and for water trophic level used Tropic State Index Method. Water quality in reservoir got the temperature ranges 29-31oC, Secchi disk range 57,5-98,5 cm. Chemical parameter obtained pH range, DO range 6,21-10,03 mg/l, CO2  range 3,9-18,97 mg/l, nitrat range 0,54-1,6mg/l and ortophospate range 0,005-0,168 mg/l. Chlorophyll-a values range 2,76-16,1 mg/m3. Primary Productivity 1,63-4,55 g C/m3/hari. TSI values range 51,282-61,080. The conclusion that water trophic level in Wonorejo Reservoirs are classified eutrofic heavy waters and fisheries potensial as much as 3963,252 ton fish/year. The results of the studied is expected to provide a reference to local government management and management Wonorejo Reservoirs in managing to appropriately , continuous and sustainable.Keywords: Hipereutrofic, Estimate of Potensial Fish, Water Quality, TSI
THE EFFECT OF CRUDE PROTEIN HALIMEDA SP. ON CYPRINUS CARPIO INFECTED KOI HERPES VIRUS ON EXPRESSION OF MAJOR HISTOCOMPATIBILITY COMPLEX CLASS-1 Yanuhar, Uun; Wahyuningtyas, Rika
JFMR-Journal of Fisheries and Marine Research Vol 1, No 1 (2017): JFMR
Publisher : JFMR-Journal of Fisheries and Marine Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (303.567 KB) | DOI: 10.21776/ub.jfmr.2017.001.01.3

Abstract

Halimeda sp. is a kind species of macroalgae that abundant grow in Indonesia. The utilization of Halimeda especially protein for disease prevention caused by the virus has not been done to the fish. The purpose of the study is to know the  treatment of crude protein Halimeda sp on  Cyprinus carpio infected by Koi Harvest Virus (KHV) on the expression of Major Histocompatibility Complex (MHC) class 1. MHC class-1 is one of the immune adaptive response on fish like this C. carpio. The methods are isolation of crude protein Halimeda sp,   purification  of  crude protein, Haemagglutination (HA) test and dot blot test. The result shows that the crude protein of Halimeda sp. can produce of adaptive immune response like MHC class 1. MHC class-1 has the function of  the immune system for maintenance of virus attacks directly. Responsible of treatment crude protein Halimeda sp. on C. carpio can be showed quantitatively using the dot blot test result. The  conclusion  is the crude protein of Halimeda sp. able to activate the MHC class I and to inhibit the proliferation of the KHV and maintenance of the fish cell of C. carpio..
VARIASI KOMUNITAS PLANKTON DAN PARAMETER OSEANOGRAFI DI DAERAH PENANGKAPAN IKAN PELAGIS DI PERAIRAN MALANG SELATAN, JAWA TIMUR Sartimbul, Aida; Yona, Defri; Larasati, Ardelia Annisa; Saria, Syarifah Julinda; Rohadi, Erfan
JFMR-Journal of Fisheries and Marine Research Vol 1, No 2 (2017)
Publisher : JFMR-Journal of Fisheries and Marine Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (364.399 KB) | DOI: 10.21776/ub.jfmr.2017.001.02.2

Abstract

AbstractPerairan Malang Selatan merupakan daerah yang potensial sebagai daerah penangkapan ikan. Keberadaan berbagai jenis ikan pelagis kecil terutama ikan planktivor secara langsung dipengaruhi oleh pertumbuhan fitoplankton dan zooplankton. Fitoplankton mempunyai peran penting sebagai dasar rantai makanan dalam ekosistem perairan, sedangkan zooplankton merupakan herbivor pemangsanya. Pertumbuhan fitoplankton dan zooplankton dipengaruhi oleh faktor oseanografinya. Penelitian ini bertujuan untuk mengetahui variasi komunitas plankton dan hubungannya dengan parameter oseanografinya, serta distribusi spasial plankton di daerah penangkapan ikan di Perairan Malang Selatan, Jawa Timur. Metode purposive sampling dengan teknik zigzag pada 10 titik sampling digunakan dalam pengambilan data pada penelitian ini. Sedwicgk rafter counting cell digunakan dalam metode penghitungan plankton. Sampel plankton diambil secara horizontal dan vertikal pada kedalaman 1 dan 15 m dengan jaring plankton bermata jaring 20 µm, sedangkan parameter oseanografi secara in situ diukur menggunakan aqua quality sensor tipe AAQ 1183 C. Hasil penelitian menunjukkan bahwa kelimpahan fitoplankton sebesar 49.764 sel/m3, didominasi oleh genus Chaetoceros. (Bacillariophyceae), dan kelimpahan zooplankton sebesar 894 ind/m3, didominasi oleh genus Nauplius. (Copepoda). Indeks keanekaragaman dan keseragaman fitoplankton dan zooplankton dapat dikategorikan sedang, berturut-turut sebesar 1,77–1,85 dan 1,70–1,77; 0,58–0,59 dan 0,77–0,79, sedangkan indeks dominansinya masuk dalam kategori rendah yaitu berturut-turut 0,27–0,28 dan 0,24–0,27. Analisis Principal Component Analysis (PCA) menunjukkan bahwa parameter oseanografi utama yang paling berpengaruh pada variasi komunitas plankton adalah turbiditas, klorofil-a, oksigen terlarut dan fosfat. Hasil uji T menunjukkan bahwa distribusi spasial kelimpahan fitoplankton dan zooplankton pada kedalaman 1 m dan 15 m berbeda nyata. Studi ini memberikan informasi penting tentang kelimpahan plankton dan faktor oseanografi yang berpengaruh di daerah penangkapan di Perairan Malang Selatan. Kata Kunci: komunitas plankton, parameter oseanografi, fishing ground, Perairan Malang Selatan AbstractThe South Malang water is a potential area as a fishing ground. The existence of various species of small pelagic fishes such as planktivores fishes are directly influenced by the growth of phytoplankton and zooplankton. Phytoplankton has an important role as the basis of the food chain in aquatic ecosystems, whereas zooplankton is its predator. The growth of phytoplankton and zooplankton is influenced by oceanography factors. This study aims to determine the variation of the plankton community and its relationship with oceanographic parameters, as well as the spatial distribution of plankton in the fishing ground at South Malang water. The purposive sampling method with zigzag technique at 10 sampling sites was used in data collection in this research. Sedwicgk rafter counting cells were used in plankton counting methods. The plankton samples were taken horizontally and vertically at depths of 1 and 15 m with a 20 μm planktonnet, while in situ oceanographic parameters were measured using aqua quality sensor AAQ type 1183 C. The results showed that phytoplankton abundance was 49.764 cells / m3, dominated by the genus Chaetoceros (Bacillariophyceae), and zooplankton abundance of 894 ind / m3, dominated by the genus Nauplius (Copepoda). The diversity index and uniformity index of phytoplankton and zooplankton could be categorized as the middle as 1.77-1.85 and 1.70-1.77; 0.58-0.59 and 0.77-0.79, respectively, while the dominance index was included in the low category that was 0.27-0.28 and 0.24-0,27, respectively. Principal Component Analysis (PCA) analysis showed that the most important major oceanographic parameters for plankton community variation were turbidity, chlorophyll-a, dissolved oxygen and phosphate. T test results show that the spatial distribution of phytoplankton abundance and zooplankton at depth of 1 m and 15 m are significantly different. This study provides important information on the plankton abundance and oceanography factors affected at fishing ground of South Malang water. Keywords: Plankton community, oceanography parameters, fishing ground, South Malang Water
THE GROWTH OF SEAWEED (Kappaphycus alvarezii) CULTIVATED WITH LONG LINE AND OFF BOTTOM METHOD ON TITA BANDA NEIRA MALUKU COASTAL AREA Basir, Aditya Putra; Abukena, La; Amiludin, Mr.
JFMR-Journal of Fisheries and Marine Research Vol 1, No 1 (2017): JFMR
Publisher : JFMR-Journal of Fisheries and Marine Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (401.71 KB) | DOI: 10.21776/ub.jfmr.2017.001.01.4

Abstract

This research aimed to know the growth rate of seaweed (Kappaphycus alvarezii) cultivated by using off bottom method and long line method in coastal waters Tita Dwiwarna Village Banda Central of Maluku. It is expected that this research will provide basic information in business of seaweed cultivation to be developed. The methods were off bottom method and long line method that consisted of 2 treatments and 3 replications. Material used was mostly a polyethylene rope as long as 10 meters with the diameter size 5 mm for a mine rope and 3 mm for a span rope. Initial weight of sea weeds which is tied to a span rope 100 gram. The growth data collection was taken simultaneously with water quality data every week. Data were analyzed by using Cohran test to see homogeneity. The homogeneity data were then analyzed by using t-test to see the different between two treatments. The result of the research has shown that seaweed growth was highest in off bottom methods which average weight on the seventh week reached 690 gram. While the growth with long line methods reached the average weight on the seventh week reached only 609.4 gram. Therefore, the best growth of the sea weed was represented by off bottom method.
NITRATE AND PHOSPHATE DISTRIBUTION RELATED TO FITOPLANKTON ABUNDANCE IN EAST YAPEN COASTAL WATER Kalor, John Dominggus; Paiki, Kalvin
JFMR-Journal of Fisheries and Marine Research Vol 1, No 2 (2017)
Publisher : JFMR-Journal of Fisheries and Marine Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (263.934 KB) | DOI: 10.21776/ub.jfmr.2017.001.02.3

Abstract

The waters of Yapen Timur in Yapen Islands, Papua are semi-open waters with high potential natural resources. Recent research on chemical and biological parameters more specifically of nutrient concentration and phytoplankton abundance is still very limited. The study aimed to observe the concentration of nutrients (nitrates and phosphates), and their relation with the abundance of phytoplankton in Yapen Timur waters, was conducted on January 5Th to February 5th, 2016. Using explorative method and purposive sampling method, with 15 sampling points. Data analysis using Spectrophotometer at wavelength 545 nm for nitrate and 885 nm, whereas for phytoplankton abundance use APHA equation. Spatial distribution of nitrate, phosphate and phytoplankton abundance using kriging-method equation and Software Ermaper 7.0. Nitrate concentrations were found to be between 0.2 mg - 0.7 mg / l, phosphates ranging from 0.2 to 0.6 mg / l and the abundance of phytoplankton ranged from 49,682 to 139,490 ind / l. The correlation coefficient analysis indicates the relationship between nitrite and phytoplankton of 0.3947, phosphate and phytoplankton of. 0.0068. The concentration of nitrate and phosphate at the observation site indicated that the water quality belongs to the oligotrophic waters, the abundance of phytoplankton is high and there is no blooming in certain species, and the relationship between the nitrate and phosphate concentration is positively correlated with the abundance of phytoplankton at the observation site.
Uji Selektivitas Alat Tangkap Gillnet Millenium Terhadap Hasil Tangkapan Ikan Kembung (Rastrelliger brachysoma) Anggreini, Alinda Putri; Astuti, Septiana Sri; Miftahudin, Irfan; Novita, Putri Inova; Raka Wiadnya, Dewa Gede
JFMR-Journal of Fisheries and Marine Research Vol 1, No 1 (2017): JFMR
Publisher : JFMR-Journal of Fisheries and Marine Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (655.198 KB) | DOI: 10.21776/ub.jfmr.2017.001.01.5

Abstract

Keputusan Menteri No.2 2015 telah melarang semua trawl dan pukat tarik. Untuk mengimbangi kerugian tersebut, Kementerian Kelautan dan Perikanan mengeluarkan jaring insang millenium (3,5 inci) dan  memberikannya untuk nelayan. Penelitian ini bertujuan untuk mengevaluasi selektivitas alat tangkap jaring insang millenium yang diluncurkan, yang menargetkan ikan kembung (R. brachysoma) dalam hasil tangkapannya. Penelitian dilakukan di Selat Madura, dengan membandingkan jaring insang millennium dengan jaring insang biasa (2,0 inci). Hasilnya menunjukkan kedua alat tangkap tersebut memiliki kategori panjang yang sama (18,28 ± 0,707951 untuk jaring insang millenium, dan 18,78 ± 0,92655 untuk jaring insang biasa). Semua ikan kembung (R.brachysoma) yang tertangkap ditemukan pada tahap kematangan penuh (tingkat kematangan III atau IV). Jaring insang umum menghasilkan biomassa tangkapan yang jauh lebih tinggi daripada jaring milenium (632 ekor), dikarenakan ukuran jaring yang lebih kecil. Jadi, kedua alat tangkap tersebut dianggap selektif untuk menangkap ikan kembung. Agar dapat diterima, diperlukan pengurangan ukuran jaring untuk jaring insang millenniumKata kunci : Gillnet millenium, selektivitas, kematangan gonad.
POTENSI ANTIOKSIDAN DAN SKRINING FITOKIMIA EKSTRAK DAUN MANGROVE Rhizophora mucronata, PILANG PROBOLINGGO Kasitowati, Rarasrum Dyah; Yamindago, Ade; Safitri, Mila
JFMR-Journal of Fisheries and Marine Research Vol 1, No 2 (2017)
Publisher : JFMR-Journal of Fisheries and Marine Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (157.373 KB) | DOI: 10.21776/ub.jfmr.2017.001.02.4

Abstract

The objective of this study was to find out the antioxidant activities along with phytochemical screening of R. mucronata leaf extracts. R. mucronata leaves were collected from Pilang, Probolinggo. The extraction use three different solvents with different polarity (Methanol, Ethyl acetate, and Hexane). The antioxidant activities were determinted by the Diphenyl picryhydrazil (DPPH) metode used four different concentrations (31,25; 62,25; 125; and 250 ppm). The antioxidant analysis of mangrove R. mucronata showed that the ethyl acetate extract has the highest antioxidant activity (160,417 µg/ml) than the methanol (-117,498 µg/ml) and the hexane (327,611 µg/ml) extracts. The phytochemical screening results that the methanol extract contains 1195 µg/ml flavonoid compounds, 124,44 µg/ml alkaloid compounds and 576,64 µg/ml of tannin compounds. Meanwhile the ethyl and the hexane extract contains  alkaloid compounds (44,91 µg/ml and 41,49 µg/ml ) and tannin compounds (84,84 µg/ml and 67,30 µg/ml).
AKTIVITAS ANTIFOULING AVICENNIA MARINA TERHADAP MACROFOULER PERNA VIRIDIS Cahyaningtyas, Gannisa Alfin; Iranawati, Feni; Dewi, Citra Satrya
JFMR-Journal of Fisheries and Marine Research Vol 1, No 1 (2017): JFMR
Publisher : JFMR-Journal of Fisheries and Marine Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (171.69 KB) | DOI: 10.21776/ub.jfmr.2017.001.01.1

Abstract

AbstractFouling can be defined as undesired aggregation of living organism on float or submerged thing (ships, wharf, and the others off shore building). Fouling may effect on the function and maintenance of an object by lessen their lifetime, and evoked invasive species. TBT antifouling materials such as in paint widely used to prevent fouling organism, but this substance gave negative impact on the environment. It not only wipe out fouling organism but also other organism and some degree cause imposex. Therefore in 2008, the use of this antifouling was banned by International Maritime Organization. This research aiming to found potential marine natural product there are mangrove as antifouling. This research was conducted on September to December 2016. The experimental design for this research was using completely randomized design. Result shows that experimental the extract of Avicennia marina did not have significant impact on Perna viridis ability to bind onto subtrate. Nevertheless, A. marina had impact on P. Viridis byssus production. Lesser number and shorter length of byssus was yield from the treatment concentration compared to the control. This research indicated that Avicennia marina may has antifouling potential, but further study is needed. Keywords: Antifouling, Avicennia marina, Byssus, Perna viridis
Pengaruh Pemberian Bakteri Lactobacillus plantarum Terhadap Histopatologi dan Hematologi Ikan Patin Jambal (Pangasius djambal) yang Diinfeksi Bakteri Edwarsiella tarda Oktafa, Uswanul; Suprastyani, Heny; Handayani, Sri; Gumala, Galih Akbar; Fatikah, Nela Maulina; Wahyudi, Maulana; Farida, Anisatul; Pratama, Randi
JFMR-Journal of Fisheries and Marine Research Vol 1, No 1 (2017): JFMR
Publisher : JFMR-Journal of Fisheries and Marine Research

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (235.214 KB) | DOI: 10.21776/ub.jfmr.2017.001.01.6

Abstract

Bakteri Lactobacillus plantarum merupakan salah satu jenis bakteri asam laktat yang sudah dikenal bersifat ramah lingkungan karena tidak patogenik dan mampu menghambat pertumbuhan bakteri patogen sehingga sering digunakan sebagai probiotik. Penelitian ini bertujuan mengetahui pengaruh serta dosis terbaik pemberian bakteri L. plantarum terhadap histopatologi dan hematologi ikan patin jambal (Pangasius djambal) yang diinfeksi bakteri Edwardsiella tarda. Perendaman dengan L. plantarum dilakukan untuk meningkatkan sistem imun ikan patin jambal (P. djambal) dengan dosis 103, 108 dan 1013 cfu.ml-1 selama 1 minggu yang dilanjutkan dengan penginfeksian dengan cara perendaman E. tarda. Darah diambil dari masing-masing perlakuan untuk dihitung eritrosit, leukosit, hematokrit dan hemoglobin pada jam 0, 12, 24, 36 selama penginfeksian. Setelah penginfeksian selama 3x24 jam, diambil organ hati, ginjal dan insang untuk dilakukan pengamatan jaringan yang dilanjutkan dengan skoring kerusakannya. Selanjutnya dilakukan analisa secara statistik meggunakan uji  F (ANOVA) sesuai dengan rancangan yang dipergunakan yaitu rancangan acak lengkap. Data penelitian menunjukkan hasil yang berbeda nyata (F hitung>F tabel). Dapat disimpulkan bahwa pemberian bakteri L. plantarum berpengaruh terhadap histopatologi dan hematologi ikan patin jambal (P. djambal) yang diinfeksi bakteri E. tarda dengan dosis terbaik pada perlakuan B 108 cfu.ml-1.

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