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Jurnal Biologi Udayana
Published by Universitas Udayana
ISSN : 14105292     EISSN : 25992856     DOI : https://doi.org/10.24843/jbiounud
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology
Jurnal Biologi Udayana (p-ISSN 1410-5292 | e-ISSN 2599-2856 | DOI 10.24843/jbiounud) managed by the Department of Biology, Udayana University, published in two formats namely print and online regularly twice a year (June and December).
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 6 Documents
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Search results for , issue "Vol 22 No 1 (2018): JURNAL BIOLOGI UDAYANA" : 6 Documents clear
KEANEKARAGAMAN KARANG KERAS DAN IKAN TERUMBU DI PANTAI PAPUMA JEMBER, JAWA TIMUR OKTIYAS MUZAKY LUTHFI; RENDY VIDYA WIBISONO
Jurnal Biologi Udayana Vol 22 No 1 (2018): JURNAL BIOLOGI UDAYANA
Publisher : Program Studi Biologi, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (848.572 KB) | DOI: 10.24843/JBIOUNUD.2018.v22.i01.p03

Abstract

ABSTRACT Coral reef in Papuma was distributed in 3 to 20 m depth, with sand as main substrate. The coral reef was built from hard coral (scleractinian) and reef fishes. Papuma’s coral reef was interesting to be studied due to they can deal with the extreme environment such as high sand sedimentation, high wave, strong current, and anthropogenic risk. The purpose of this study was to descript distribution of hard coral and their fishes based on quantitative data in Papuma. We used Line Intercept Transect (LIT) method with 100 m long perpendicular with coast line to quantify of coral cover based on their life form. While reef fishes data was obtained using underwater visual census with 100 m long. All data was taken from 3 stasiun they were: station 1 (8°25'59.26"S 113°33'15.07"E), station 2 (8°26'0.93"S 113°33'17.53"E) and station 3 (8°26'2.02"S 113°33'20.06"E), in 3-12 m depth. The result showed that coral reef in Papuma was dominated by branching coral (CB) from genus Montipora with coral cover 30%, while sand (SD) to be main substrate with 26.9% of coverage. Montipora is one of genus famili Acroporidae that has faster growth than massive coral and strong branch as an adaptation strategy with strong current. In this research, we also found 137 of reef fishes that was 19% composed by indicator fish (Chaetodontidae). High number of indicator fish can represent of healthy coral reef. High coral cover coverage usually will be followed by increasing number of indicator fish. These fish were obligate corallivorous that consume coral polyp during their life. Coral reef in Papuma contained 10 types of life form and had coral cover about 39.9% in average.
ECONOMICAL AND ECOLOGICAL FRIENDLY OF GROWTH MEDIA FOR EDIBLE MUSHROOM Pleurotus ostreatus MADE OF THE COCONUT WASTE MARGARETTA CHRISTITA; ADY SURYAWAN
Jurnal Biologi Udayana Vol 22 No 1 (2018): JURNAL BIOLOGI UDAYANA
Publisher : Program Studi Biologi, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (691.086 KB) | DOI: 10.24843/JBIOUNUD.2018.v22.i01.p05

Abstract

The abundance of coconut waste in North Sulawesi has not been processed and used optimally, then it becomes waste for the environment. Coconut coir processing for planting medium is limited only for coconut peat (coconut husk powder). One drawback in processing coconut peat requires special equipment and the fuel is expensive. This study aimed to compare the use coconut peat and coconut coir as growing medium for white oyster mushroom. Coconut coir was cut 3cm x 2cm x 1cm in size, while the comparison medium uses a coconut peat. Compositions of both media are coconut coir / coconut peat 83%, 16% ricebran, 1% limestone, 60% water. The result showed that coconut coir more productive than coconut peat. Coconut coir media produces 120.62 grams while the coconut peat media weighing 116.11 grams on each harvesting. Based on the result it can be conclude the usage of coconut coir was better compare than coconut peat for cultivation of oyster mushroom. Key words: Coconut waste, coconut coir, coconut peat, media, mushroom
PHYSICAL, CHEMICAL AND BIOLOGICAL POTENTIAL HAZARDS IDENTIFICATION OF SLAUGHTERHOUSE AND CHICKEN NUGGETS PRODUCTION PROCESS Raynard c Sanito
Jurnal Biologi Udayana Vol 22 No 1 (2018): JURNAL BIOLOGI UDAYANA
Publisher : Program Studi Biologi, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (494.297 KB) | DOI: 10.24843/JBIOUNUD.2018.v22.i01.p04

Abstract

ABSTRACTChicken nuggets, the one of protein rich foods, is produced from the chicken meat through several stages ofthe process. This research aimed to identify the potential hazards of chicken nuggets process in final productsbased on physical, chemical and biological hazards perspectives. The hazardous potentials were performedspecifically using observations, interviews and investigations in a slaughterhouse unit and production unit.Furthermore, the finding of data was described qualitatively. The results of this study indicated that there wereseveral potential hazards in physical, chemical and biological in a chicken nugget process. The ear problems,exhausted of workers, watered by heat frying oil were the examples of potential hazards in physical. In addition,contamination of heavy metal in product and the expired of food grade oil were an illustration of chemicalpotential hazards. Then, microorganisms in end products, the source of the pathogen were the examples ofbiological hazards potential. Finally, it could be concluded that chicken nugget factory possessed the physical,chemical, and biological potential hazards.Key words: observations, interviews, findings, microorganisms.
DAILY ACTIVITIES OF LITTLE EGRET (Egretta garzetta) AT SERANGAN ISLAND, BALI M. RHEZA RIZKI SYAHPUTRA; I KETUT GINANTRA; AA. Gde Raka Dalem
Jurnal Biologi Udayana Vol 22 No 1 (2018): JURNAL BIOLOGI UDAYANA
Publisher : Program Studi Biologi, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (544.05 KB) | DOI: 10.24843/JBIOUNUD.2018.v22.i01.p01

Abstract

A study on activity of the Little Egret (Egretta garzetta) was conducted in Serangan Island, southern part ofBali between May and June 2016. The aim of this study was to find out daily activities of these birds in threedifferent habitats: lagoons, mangrove forests and muddy beaches. Preliminary observation was conducted throughAd Libitum sampling, while the sample on the main study was through a scan sampling method. The data wascollected through recording activities of the egret on interval of 30 seconds within two hours. The data collectionwas undertaken in three periods: morning, afternoon and evening. The colony of observed egrets was chosenrandomly across habitats and time periods. Data collected were descriptively or quantitatively analysed. Results ofthe study showed that from the three observation periods, the egret activities were dominated by the sameactivities, that was foraging, but with different magnitudes or percentages. In contrast, activities with the lowestpercentage was agonistic. In the lagoon area, the percentage of the activity of foraging was as follows: in themorning it was 50.15%, in the afternoon 46,62%, and in the evening 49,63%. In mangrove areas the percentage offoraging activities was as follows: in the morning it was 52.46%, in the afternoon 41.60%, and in the evening50.83%. The percentage of foraging activities in muddy beaches was as follows: in the morning it was 50.18%, inthe afternoon 42.70%, and in the evening 49,65%.Keywords : little egret, Serangan Island, daily activities, habitat, Bali
THE EFFECT OF DIFFERENT ALTITUDE TO THE POLLEN TYPES THAT TRIGONA COLLECTED I PUTU NARKA EKA PRATAMA; NI LUH WATINIASIH; I KETUT GINANTRA
Jurnal Biologi Udayana Vol 22 No 1 (2018): JURNAL BIOLOGI UDAYANA
Publisher : Program Studi Biologi, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (535.911 KB) | DOI: 10.24843/JBIOUNUD.2018.v22.i01.p06

Abstract

Trigona is a stingless bee, which has been found in tropical and sub-tropical regions. Fifty species have been indentified in South East Asian region, but few studies have been conducted in Indonesia. Plant species commonly differ in different altitudes, due to the climatic effect, therefore will affect the availability of food source for Trigona. This study aimed to investigate the effect of different altitudes to the pollen types collected and used by Trigona as food resources and the distance of their foraging. Samples of Trigona were collected from 3 locations: Location I was in Mawang and Taro Villages at Gianyar Regency, Location II was in Tua Village at Tabanan Regency and Location III was in Ngis Village at Karangasem Regency. The altitudes of those three locations were 750.87 m, 493.007 m and 147.15 m above sea levels respectively. Pollen samples were processed using the acetolysis methods in the Plant Structure and Development Laboratory, Department of Biology, Udayana University and pollen identification was referred to the book of “Pollen Morphology and Plant Taxonomy” (Erdtman, 1972). The results showed that in some cases, the type pollen collected by Trigona differ in different altitude. Pollen of Allamanda cathartica L was collected by the bee at Gianyar and Karangasem Regencies. Pollen of Capsicum frutescens L. and Euphorbia milii were collected by the bee at Tabanan and Karangasem Regency, while pollen Neomarica longifolia was found in bees in all three locations. The average distances of foraging of this Trigona bee was 147.15 m at Gianyar, 162.21 m at Tabanan and 53.61 m at Karangasem.
PROFIL LIPID KELINCI (Lepus sp.) JANTAN LOKAL YANG DIBERI PAKAN KOMERSIAL DISUPLEMENTASI MINYAK HATI IKAN KOD NI GUSTI AYU MANIK ERMAYANTI; I GUSTI LANANG OKA; I GEDE MAHARDIKA; PUTU SUYADNYA
Jurnal Biologi Udayana Vol 22 No 1 (2018): JURNAL BIOLOGI UDAYANA
Publisher : Program Studi Biologi, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (717.346 KB) | DOI: 10.24843/JBIOUNUD.2018.v22.i01.p02

Abstract

ABSTRACT Cod liver oil as a source PUFA (Polyunsaturated Fatty Acid) has very diverse and complex benefits, including for heart health. This study aimed to improve the lipid profile of male local rabbit which was fed commercial supplementation of cod liver oil. The experimental design used was Completely Randomized Design (RAL) with four feed treatments, ie commercial feed without supplementation of cod liver oil (P0) as control, commercial feed supplemented by cod liver oil 1.5% (P1), commercial feed supplemented by oil liver of 3% cod (P2) and commercial feed supplementation of cod liver oil 4.5% (P3).Each treatment consists of eight rabbits. The variables observed were total cholesterol, triglyceride, LDL, and HDL levels. The data obtained were analyzed with ANOVA and if significantly different were tested further with DMRT. The results showed that supplementation of cod liver oil with different levels in commercial feed showed significantly different results (P <0.05) on total cholesterol, triglyceride, LDL, and HDL levels of local rabbit. It can be concluded that supplementation of cod liver oil in commercial feed to the extent 4.5% capable repair the lipid profile of male local rabbit because it can decreased total cholesterol levels, decrease triglycerides levels, decreased LDL levels, and increased HDL levels.

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