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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 7 Documents

Search results for , issue "Vol 2, No 2 (2015)" : 7 Documents clear

Effect of Noni Leaves Extract (Morinda citrifolia L.) Supplementation in Feed on Physical Quality of Broiler Breast Meat Aji Sukoco; Eko Widodo; Imam Thohari
Research Journal of Life Science Vol 2, No 2 (2015)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat, Universitas Brawijaya

This research was conducted to know the effect of noni leaves extract (Morinda citrifolia L.) supplementation in feed on physical quality of broiler breast meat such as pH, Water Holding Capacity (WHC), Cooking Loss (CL), and tenderness. Ninety six 8-days old broiler chickens strain Lohmann and of undifferentiated sex (unsexed) were used in this research. The broiler chickens will be reared until 35-days old. The research method was experimental using Completely Randomized Design (CRD) with six treatments and four replications, each replication consisted of four broiler chickens. The treatments consisted of P0 (Basal Feed), P1 (Basal Feed + tetracycline 0.05%), P2 (Basal Feed + noni leaves extract 0.05%), P3 (Basal feed + noni leaves extract 0.1%), P4 (Basal feed + noni leaves extract 0.15%), P5 (Basal feed + noni leaves extract 0.2%). The data were analyzed by ANOVA and continued by Least Significant Difference (LSD) test if there was significantly different result. The results showed that noni leaves extract did not give significant effect (P>0.05) on meat pH, water holding capacity (WHC), cooking loss (CL), and tenderness. However, these results were still acceptable normally such as pH between 5.38-5.57, water holding capacity 34.13-45.64%, cooking loss 33.05-36.97%, but tenderness 16.22-20.57N were less acceptable. The research concluded that supplementation of noni leaves extract (Morinda citrifolia L.) in feed did not increase physical quality of broiler breast meat on pH, Water Holding Capacity (WHC), Cooking Loss (CL), and tenderness.

Effect Of Fish Oil Alone or In Combination With Tomato Powder Supplementation In Feed On Egg Quality of Local Ducks Faizal Andri; Eko Widodo; Osfar Sjofjan
Research Journal of Life Science Vol 2, No 2 (2015)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat, Universitas Brawijaya

The purpose of this research was to investigate the effect of fish oil alone or in combination with tomato powder supplementation in feed on egg quality of local ducks. Fivety 28-weeks old female local ducks with initial egg production of 4 days before research was 55.00 + 4.08% (coefficient of variation 7.42%) were randomly distributed to five treatments with 2 repetition and 5 birds of each. The treatmens were T0: basal feed (control); T1: basal feed + 1500 ppm fish oil ; T2: basal feed + 3000 ppm fish oil; T3: basal feed + 1500 ppm fish oil + 150 ppm tomato powder; T4: basal feed + 3000 ppm fish oil + 150 ppm tomato powder. Variable observed in this research were egg shape index, egg shell weight, yolk weight, and albumen weight. Data were analyzed using one-way Anova based on Completely Randomized Design, if significant effect appear was then continued with Duncan Multiple Range Test. The result showed that there were no significant effect (P>0.05) of fish oil alone or in combination with tomato powder supplementation in feed on egg shape index, egg shell weight, yolk weight, and albumen weight of local ducks. The conclusion of this research is that there was no effect of fish oil alone or in combination with tomato powder supplementation in feed on egg quality of local ducks.

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.

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Kuswanto

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rjls@ub.ac.id

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+62341 575825

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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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Home Page

OAI Link

Editorial Team

Contact

Reviewer

Google Scholar

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

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

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