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Research Journal of Life Science

rjls
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Published by Universitas Brawijaya

ISSN : - EISSN : 23559926 DOI : https://doi.org/10.21776/ub.rjls

Core Subject : Health, Science, Agriculture,

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Medicine & Pharmacology

Research Journal of Life Science (RJLS) is an open access publishes papers three times a year that emphasize the agriculture, fisheries, animal science, medicine, basic science and food technology. All articles are rigorously reviewed by reviewers. Articles should be created in a language that is easily understood by non-specialist readers in the topic of the article itself, but interested in research. The main objective of RJLS is to provide a platform for the international scholars, academicians and researchers to share the contemporary thoughts and innovations in the field of life science. RJLS aims to promote studies in life science and so become the leading international journals in life science in the world.This journal intends to provide facilities to advance the development and application of interdisciplinary and transdisciplinary research methodologies in life sciences.

Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)

Articles 202 Documents

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Pemanfaatan Limbah Daun Pepaya Dalam Bentuk Tepung dan Jus Untuk Meningkatkan Performans Produksi Ayam Arab Muharlien Muharlien; V. M. Ani Nurgiartiningsih
Research Journal of Life Science Vol 2, No 2 (2015)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat, Universitas Brawijaya

Penelitian bertujuan unuk mengetahui pengaruh penggunaan limbah daun pepaya terhadap performans produksi ayam arab, serta bentuk dan level pemberian limbah daun pepaya yang efektif dan efisien untuk meningkatkan performans produksi ayam arab. Hasil penelitian menunjukan penggunaan limbah daun pepaya dalam bentuk tepung dan jus sampai taraf 8 % dalam pakan tidak berpengaruh nyata (P>0,05) terhadap bobot telur, konsumsi pakan, konversi pakan HDP ( Hen day Production), Egg mass, tebal kerabang, mortalitas, dan kolesterol, tetapi memberikan pengaruh yang berbeda sangat nyata (P<0,01) terhadap warna kuning telur dan IOFC (Income Over Feed Cost). Kesimpulan penggunaan limbah pepaya dalam bentuk tepung dan jus sampai taraf 8 % dalam pakan tidak menurunkan performance produksi ayam arab, bahkan dapat meningkatkan warna kuning telur dan IOFC. Warna kuning telur dan IOFC tertinggi pada penggunaan limbah daun pepaya dalam bentuk tepung dengan taraf 8 % dalam pakan.

Upaya Peningkatan Hasil Tanaman Talas (Colocasia Esculenta (L.) Schott var Antiquorum) Di Lahan Kering Melalui Aplikasi Kompos Sampah Kota Nur Edy Suminarti; Nagano Nagano
Research Journal of Life Science Vol 2, No 2 (2015)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat, Universitas Brawijaya

Masalah rawan pangan tidak akan pernah terjadi di Indonesia jika tidak diikuti dengan maraknya kegiatan alih fungsi lahan, terutama lahan basah yang merupakan lahan dimana tanaman padi ditanam. Sehubungan dengan permasalahan tersebut, dan dalam upaya untuk memenuhi tingkat kebutuhan pangan nasional, maka program diversifikasi pangan sangat diperlukan. Umbi talas termasuk komoditas umbi-umbian yang mampu berperan sebagai sumber bahan pangan alternatif yang sehat dan aman. Akan tetapi, karena tingkat ketersediaannya yang masih terbatas sebagai akibat rendahnya daya dukung lahan terutama padatnya struktur tanah mengakibatkan hasil yang diperolehpun juga rendah.Percobaan yang bertujuan untuk mendapatkan dosis kompos sampah kota yang tepat di lahan kering telah dilaksanakan di Desa Dau, Kabupaten Malang. Rancangan lingkungan yang digunakan adalah Rancangan Acak Kelompok Sederhana dengan menempatkan dosis kompos sampah kota sebagai perlakuan dan terdiri dari 6 taraf , yaitu : 0 ton ha-1 (kontrol); 2,5 ton ha-1, 5 ton ha-1, 7,5 ton ha-1, 10 ton ha-1 dan 12,5 ton ha-1. Percobaan diulang 3 kali sehingga terdapat 18 unit perlakuan. Parameter pengamatan yang diamati meliputi jumlah daun, luas daun, bobot segar total tanaman, bobot kering total tanaman, jumlah umbi per tanaman dan bobot umbi per tanaman.Hasil percobaan menunjukkan terjadinya pengaruh nyata dari aplikasi kompos sampah kota pada seluruh parameter yang diamati. Pada umumnya komponen pertumbuhan yang mencakup jumlah daun, luas daun, bobot segar total tanaman dan bobot kering total tanaman yang lebih tinggi didapatkan pada tanaman yang dipupuk kompos sampah kota dosis 10 ton ha-1 dan 12,5 ton ha-1. Sedang bobot umbi per tanaman tertinggi didapatkan pada tanaman yang dipupuk kompos sampah kota dosis 12,5 ton ha-1, yaitu sebesar 336,32 g tanaman-1

Dampak Stres Salinitas Terhadap Prevalensi White Spot Syndrome Virus (WSSV) dan Survival Rate Udang Vannamei (Litopenaeus vannamei) Pada Kondisi Terkontrol Attabik Mukhammad Amrillah; Sri Widyarti; Yuni Kilawati
Research Journal of Life Science Vol 2, No 2 (2015)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat, Universitas Brawijaya

White spot syndrome (WSS) adalah penyakit yang secara signifikan menyebabkan tingginya mortalitas dan kerusakan parah pada budidaya udang. Penelitian ini bertujuan mengetahui dampak stres salinitas terhadap prevalensi WSSV dan survival rate udang vannamei (Litopenaeus vannamei). Penelitian ini menggunakan udang vannamei ukuran PL 40 yang diinfeksi WSSV dengan konsentrasi virus 20 μg/ml pada tiga rentang salinitas yang berbeda 0-10 ppt, 11-20 ppt, 21–30 ppt dan di rendam selama 4 jam kemudian dilakukan pengamatan selama 7 hari pasca infeksi dan diukur survival rate dan kuaitas airnya. Hasil pengamatan menunjukkan bahwa seluruh sampel terinfeksi oleh WSSV, ditunjukkan hasil analisa PCR dan gejala klinis yang timbul. Salinitas 0-10 ppt memberikan hasil persentase survival rate terendah jika dibandingkan dengan rentang salinitas yang lainnya yaitu sebesar 7 ekor atau 33% dari jumlah total sampel yang digunakan. Persentase survival rate udang tertinggi pasca infeksi virus WSSV terdapat pada perlakuan salinitas 21-30 ppt yaitu sebesar 13 ekor atau 63% dari jumlah total individu, dan salinitas 11-20 ppt memiliki persentase survival rate medium yaitu sebesar 10 ekor atau 49% dari jumlah total sampel. Stres salinitas mempengaruhi prevalensi WSSV dengan semakin tingginya tingkat infeksi seiring menurunnya rentang salinitas, akan tetapi survival rate semakin tinggi seiring dengan bertambahnya rentang salinitas.

Concentration of Heavy Metal (Pb and Cu) in Sediment and Mangrove Avicennia Marina at Porong River Estuary, Sidoarjo, East Java Ledhyane Ika Harlyan; Dwi Retnowati; Syarifah Hikmah Julinda Sari; Feni Iranawati
Research Journal of Life Science Vol 2, No 2 (2015)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat, Universitas Brawijaya

Abstract –The ability of mangrove (Avicennia) to absorb heavy metal has been known. This study aims to determine whether there are differences of absorption level of non-essential (Pb) essential (Cu) heavy metals in Avicennia marinafrom different location, based on distance of pollutants sources (downstream) toward to the mouth of Porong River Estuary at Sidoarjo. Results showed that accumulation of Pb in the roots and leaves was ranged from 0.0044 to 0.139 ppm and from 0.004 to 0.019 ppm respectively, while in sediment was ranged from 0.0560 to 0.0660 ppm. The accumulation of Cu in the roots and leaves was ranged from 0.07 to 0.415 ppm and 0.0318 to 0.2520 ppm while in sediments was from 0.2930 to 0.381 ppm. The highest concentration of Pb and Cu were found from sediments followed by roots and leaves. The high concentration of heavy metal (Pb and Cu) in the root is likely due to sediment size. The high concentration of heavy metal (Pb and Cu) in the root is likely due to sediment size. When the size is finer, heavy metal accumulation will be higher, although there was no significantly different from different location.

Etnobotani Masyarakat Lokal, Struktur Anatomi Jenis Pandan (Pandanaceae) Bermanfaat di Jawa Timur Jati Batoro; Serafinah Indriyani; Brian Rahardi
Research Journal of Life Science Vol 2, No 2 (2015)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat, Universitas Brawijaya

Along with the development of culture, both traditional and biotechnology, the use of pandan, as can be found either in the community, traditional markets, experiencing a shift which was replaced by other materials, such as by plastic straps, caps from fabric. Ethnobotany study done by collecting a "ethnodirect sampling" technique with direct or semi-structural interviews. The method is carried out at pandan anatomy including: methods for extracting fiber, making transverse and longitudinal leaf preparations, measurements of leaf length and fiber strength and making preparations transversal and longitudinal of supporting root. The long term goal of this study is to obtain a data base of pandan (Pandanaceae) that can later be used to perform resource management in pandan (Pandanaceae) to its preservation in East Java, thus supporting ecological functions and the resulting types are also cultivating other Pandan also potentially. The short term goal is to get the kind of pandan (Pandanaceae) is useful to be developed as a craft that can later be used to improve the economy of East Java community through anatomical structures. The three types of pandan namely P. tectorus, P. labyrinthicus and P. furcatus has the potential to be developed as a base for the manufacture of rope and handicrafts. The potential of plant-based crafts from fiber can still be developed on the craft of Pandanus.

The Effect of Addition Super Red Dragon Fruit (Hylocereus Costaricensis) Peels Concentrate to Physico Chemical and Microstucture by SEM of Chicken Saussage Dita Eka Oktaviningsih; Lilik Eka Radiati; Firman Jaya
Research Journal of Life Science Vol 2, No 3 (2015)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat, Universitas Brawijaya

The purpose of this reasearch was to determine SRDF (Super Red Dragon Fruit) peel concentrate added on Physico-chemical quality and Microstucture by SEM (Scanning Electron Microscope) of chicken sausages. The method research was experimental and designed using completely randomized design (CRD), which consists of 5 treatments and 5 replications. The treatments were T0: Chicken Sausage + 0% of SRDF peels concentrate (control), T1: Chicken Sausage + 5% SRDF peels concentrate, T2: Chicken Sausage + 10% of SRDF peels concentrate, T3: Chicken Sausage + 15% of SRDF peels concentrate, T4: Chicken Sausage + 20% of SRDF peels concentrate. The variables measured were moisture content, fat content, color measure L*a*b*, texture and microstructure. Data were analyzed using one-way Anova, if there were a significant effect between the treatments then continued with Duncan’s Multiple Range Test. The addition 20% of SRDF peels concentrate on chicken sausage could decreasing color L* 43.56± 1.30, increasing the color a* 33.78± 2.36, decreasing color b* 12.96±0.48, decreasing fat content 40.87 ± 0.68, decreasing texture 3.16± 0.35, and increasing moisture 44.75 ± 8.7.

Growth Rate of Staghorn Coral (Acropora) on Coral Garden Program at Sempu Nature Reserve Malang Oktiyas Muzaky Luthfi; Novita Nurmalasari; Alfan Jauhari
Research Journal of Life Science Vol 2, No 3 (2015)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat, Universitas Brawijaya

Live coral cover at Sempu Nature Reserve was decrease from 50% in 2006 to 36% in 2013. Adverse human activities such as: over-fishing, recreational activities, waste disposal, deforestation, reef mining and deforestation were suggested to be main factors for declining coral reef at this area. Restoration is defined as the act of returning an ecosystem, as nearly as possible, to its original condition. Coral on Sendang Biru laid on northern area of Sempu Island. Coral garden was establish in the end of 2013. Aim of this research was to know the growth (wide, number of branches, growth rate) of staghorn coral that was transplanted on steel frame at coral garden in different depth. Staghorn coral were tied on doom shaped steel in 6 m depth. The result showed that the average of increasing staghorn coral's area was 56. 91 cm2, number of branch increase was 55 and growth rate was 5.23 cm2/month respectively. Increase of depth will influence to decrease of sunlight intensity in water will be affected on calcification rate of coral. GR of staghorn coral in Sempu was higher than other area.

Coastal Ecosystem Restoration Based on "Good Governance": Case Study Gresik and Malang Regency, East Java Province Rudianto Rudianto; Edi Susilo; Ade Yamindago
Research Journal of Life Science Vol 2, No 3 (2015)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat, Universitas Brawijaya

This study is focused on the institutional aspects as an essential prerequisite to the integration efforts of the coastal ecosystem restoration in Gresik and Malang regency. The purpose of this study was to perform coastal restoration with a "good governance" focus as a means of coastal restoration.The method to be used is to use Interpretive Structural Modeling (ISM) and Analytical Hierarchy Process (AHP). ISM is an interactive design methodology to develop structures that describe the relationship between elements. While AHP is a framework for effective decisions on complex problems.The results of this study is to show the formulation of the seven (7) priority structure. While the master plan drawn up leading to the respective roles of the stakeholders at the village level, district level, district level and provincial and national levels. While the preparation of the action plan was drawn up with reference to the 9 (nine) step restoration management in an integrated manner.

Alternative Solution for Failed Harvest Effected of Dry Season at “Jeruk Keprok 55 Kota Batu” Productivity through Sprinkle Irrigation Construction Bambang Suharto; Liliya Dewi Susanawati
Research Journal of Life Science Vol 2, No 3 (2015)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat, Universitas Brawijaya

Batu-Malang Government area is one of central production of orange fruit production in East Java. At dry season, the orange plant produce low production level, because there is no available enough water inside the soil. From this facts, it needs effort to increase the orange production especially to facing the dry season, through a new technology engineering and construction of sprinkle irrigation system to increase orange production especially at dry season. Average of irrigation water necessary per days at the treatment of water shower period indicated that the treatment of four times a week reach 20,202 liter as highest value and the treatment of once a week reach 13,000 liter as lowest value. At the bud crown not found obvious differences between factors with the treatment of T1R3 have highest inclination with 175 number of flowers. The treatment of T1R3 indicated 359.667 as highest result and T4R3 indicated 233.667 as lowest result. The treatment of T1R3 indicated 658 as highest result and the control treatment indicated 426.333 as lowest result. The treatment of T1R3 produced 1032.667 as highest result and the control treatment produced 404 as lowest result.

ICP11 as Biomarker for WSSV Disease in Litopenaeus vannamei Yuni Kilawati; Yunita Maimunah; Arning W. Ekawati
Research Journal of Life Science Vol 2, No 3 (2015)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat, Universitas Brawijaya

Environmental pollution could directly reduce water quality for shrimp cultivation. This study aims to determine how the environmental quality, shrimp population and genetic characteristics of shrimp that live in polluted waters in shrimp ponds in East Java associated with WSSV disease that often attacks on cultivated shrimp. The method used was a descriptive exploratory. Data collection was collected by observation and interview with farmers on disease history. Water was sampled for water quality study and characterize its suitability for shrimp cultivations. Shrimps were also sampled for morphological and genetical study for its susceptibility of WSSV. All samples were taken every week during shrimp cultivation in Malang ans Gresik. Morphological study using scoring method to determine the disease stages on shrimp, while for genetical study using specific primer for ICP11 for WSSV detection, since ICP 11 is expressed when WSSV infection is occur. Samples were taken from 2 shrimp ponds in South Malang and Gresik.The overall water quality is good, except for NO2 and TOM in both seawater shrimp ponds which higher than the freshwater/estuary shrimp ponds. Light infections of WSSV were detected in all seawater ponds both in morphology and genetics. However, in the freshwater/estuary pond only shrimps from freshwater/estuary Gresik which showing light WSSV infection genetically, but not in the morphological signs. Early disease detection is important to control the disease spread.

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Kuswanto

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Directorate of Research and Community Service, Gedung Layanan Bersama, 7th Floor, Jl. Veteran Malang, Universitas Brawijaya, 65145, Jawa Timur, Indonesia

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Kota malang,

Jawa timur

INDONESIA

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Home Page

OAI Link

Editorial Team

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Contact Name Kuswanto

Contact Email rjls@ub.ac.id

Phone +62341 575825

Journal Mail Official rjls@ub.ac.id

Editorial Address Directorate of Research and Community Service, Gedung Layanan Bersama, 7th Floor, Jl. Veteran Malang, Universitas Brawijaya, 65145, Jawa Timur, Indonesia

Location Kota malang, Jawa timur INDONESIA

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Contact Name
Kuswanto

Contact Email
rjls@ub.ac.id

Phone
+62341 575825

Journal Mail Official
rjls@ub.ac.id

Editorial Address
Directorate of Research and Community Service, Gedung Layanan Bersama, 7th Floor, Jl. Veteran Malang, Universitas Brawijaya, 65145, Jawa Timur, Indonesia

Location
Kota malang,

Jawa timur

INDONESIA