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INDONESIA
BERITA BIOLOGI
Published by Lembaga Ilmu Pengetahuan Indonesia
ISSN : -     EISSN : -     DOI : -
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology
Arjuna Subject : -
Articles 26 Documents
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Search results for , issue "Vol 12, No 3 (2013)" : 26 Documents clear
UJI PALATABILITAS TEPUNG BUNGKIL KELAPA SAWIT YANG DIHIDROLISIS DENGAN ENZIM RUMEN DAN EFEK TERHADAP RESPON PERTUMBUHAN BENIH IKAN PATIN SIAM (Pangasius hypophthalmus Sauvage) Wahyu Pamungkas
BERITA BIOLOGI Vol 12, No 3 (2013)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v12i3.644

Abstract

The quality of feed is not only determined by the nutrient content and digestibility of the feed or feed ingredients, but also determined by the palatability of the feed. Palatability is one of important factor in the preparation of rations, because palatability affects the amount of feed intake. The purpose of the study was to determine the effect of feed commercial mixed with palm kernel meal (PKM) that was hydrolyzed by sheep rumen liquor enzyme to palatability of feed by measuring total feed consumption and growth responses of seed catfish (Pangasius hypopthalmus Sauvage). The feeds used in the study were commercial feed added hydrolyzed palm kernel meal (PKMe) and unhydrolized palm kernel meal (PKM). The treatments were as follows A). Commercial feed, B). 30% + 70% BKSecommercial feed30% PKMe + 70% commercial feed, C). 40% PKMe + 60% commercial feed, D). 30% PKM + 70% commercial feed, E). 40% PKM+ 60% commercial feed. Ten fishes with wight around 20 g were used in the trial and held in 80 l tanks. A completely randomized experimental design consisted of 1 variable and triplicates were selected. The result of the experiment showed that feed consumption was not significantly different among the treatment. It was showed that the test diet have a good palatability. The result of feed consumption, survival rate and growth responses observation showed that it was not significantly different among the treatments (P>0.05). Result of digestibility analysis showed that diet A and B have digestibility coefficient higher than diet C and D. Based on the evaluation in those parameters it was concluded that palm kernel meal that has been hydrolized by sheep rumen liquor enzyme have a good palatability and can be used as feed for seed catfish (Pangasius hypophthalmus Sauvage) with addition of up to 40% in the feed.
SERAT KULIT KAYU BAHAN SANDANG: KEANEKARAGAMAN JENIS DAN PROSPEKNYADI INDONESIA Mulyati Rahayu; Vera Budi Lestari Sihotang
BERITA BIOLOGI Vol 12, No 3 (2013)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v12i3.620

Abstract

Indonesia has known to have several fiber plants used as rope, craft and clothing material. The literature study, observations well as interview with local community in several places in Sumatra, Kalimantan, Moluccas and Sulawesi suggested that there were nine fiber plant species that were used as clothing material in the past. But clothing material from the bark of Broussonetia papyrifera (L.)L’Her. ex Vent.,“kumpe”, is still being fabricated and used in Cental Sulawesi up to now.Two of those nine fiber plant species for clothing material had good economic value namely Boehmeria nivea (L.) Gaudich and Broussonetia papyrifera (L.) L’Her. ex Vent.
KARAKTERISTIK GAMBUT RAWA PENING DAN POTENSINYA SEBAGAI BAHAN PEMBAWA MIKROBA Prihastuti Prihastuti
BERITA BIOLOGI Vol 12, No 3 (2013)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v12i3.640

Abstract

This is a descriptive analytical research to describe characteristic of peat soils of Rawa Pening (a natural lake in Central Java, Indonesia). The purpose of this study was to determine the potency of peat soils as a microbial carrier. The parameters observed were chemical properties (pH, levels of C, N, P, K and CEC) and biological properties (total of soil microbial population), as well as its amendments by sun drying,ovens drying and sterilization process by autoclaving (121oC, and 1.5 atm for 15 minutes). The results showed that the Rawa Pening peat soil content consisted of high organic C, medium-high N, low-medium P, high K and high CEC. Total of soil microbial population was quite high, but it was reduced by sun drying and autoclave sterilization. The population of soil microbial was pressured by oven drying, but the process makes it a low pH caused by cell lysis. The Rawa Pening peat soils had physical properties that were not easily changed, is also not prone to changes in pH during the process by sun drying and sterilization by autoclave. It was concluded that the Rawa Pening peat soils have a potential to be a microbial carrier, since it contained high organic matter, and relatively easy to process.
KUALITAS KRIOPRESERVASI SEMEN RUSA BAWEAN {Axis kuhlii (Temminck, 1836)} HASIL PENANGKARAN Wirdateti Wirdateti; R Taufiq P Nugraha; G Semiadi; SK Widyastuti; Yulianto Yulianto
BERITA BIOLOGI Vol 12, No 3 (2013)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v12i3.645

Abstract

Bawean Deer {Axis kuhlii (Temminck, 1836)} is an endemic deer species from Bawean island, Indonesia. Under the National Protection act, the species is listed as protected and in the IUCN is categorized as Critically Endangered. In order to maintain the existence of these species, wildlife conservation of germplasm is needed through development of technique of sperm cryopreservation for Bawean deer semen. The sperm were collected from captive animals in Station for Beef Cattle Research Center, Ministry of Agriculture, at Grati, Pasuruan, which consisted of two adult males and two sub-adult males. The research objective was to determine the quality and quantity of preserved sperm from captive deer Bawean in the form of frozen semen for conservation needs and further usage. Prior to sperm collections, the animal was anesthetized with mixture of xylazine and ketamin. Sperm was then collected by an electroejaculator using a 2-cm probe diameter and 17 cm of length. Extender solution used was tris glycerol. The semen was able to be collected only from two adult stags with sperm motility of 50-60% and sperm concentration was in the range of 500-1140 x 106sel/ml. This study suggested the need for monitoring the developmentof sperm in relation to antler development.
TINGKAT HUBUNGAN ANTARA VARIABEL PENDUGA BOBOT DAGING (CARCASS CUTABILITY) KARKAS SEGAR SAPI SIMPO DAN LIMPO JANTAN Awistaros Angger Sakti; Panjono Panjono; Rusman Rusman
BERITA BIOLOGI Vol 12, No 3 (2013)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v12i3.621

Abstract

Estimation of carcass cutability is an important factor in beef marketing. This research was conducted to observe the relationship among variables of carcass cutability estimation in hot carcass of SimPO (Simmental-Peranakan Ongole) and LimPO (Limousin-Peranakan Ongole) cattle. Eighty three bulls were used, consisted of 51 SimPO and 32 LimPO cattle. The data collected were age, body weight, carcass weight (X1), fat thickness (X2), ribeye area (X3), percentage of visera fat (X4), and carcass cutability. The data were analyzed using Independent Sample T-test, correlation 2-tailed, enter and stepwise regression analysis, and estimation curve. There were no different of age, body weight, X1, X2, X3, X4, and carcass cutability among SimPO and LimPO. There was a positive correlation between X1, X2, X3, X4 and carcass cutability (P<0,05), except to LimPO which had negative correlation for X4. The regression equation and determination coefficient of SimPO and LimPO were Y=-24,726+0,916X1; R2=0,948 and Y=-28,461+0,929X1; R2=0,996, respectively. The result indicated that the best equation for SimPO was a linear equation (R2=0,948), and a quadratik equation (R2=0,996) for LimPO.
ANALISIS RAGAM GENOTIP RAPD DAN FENOTIP TRUSS MORFOMETRIK PADA TIGA POPULASI IKAN GABUS Rudhy Gustiano; Tia Oktaviani; Dinar Tri Soelistyowati; Irin Iriana Kusmini; Wahyutomo Wahyutomo; Gleni Hasan Huwoyon
BERITA BIOLOGI Vol 12, No 3 (2013)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v12i3.641

Abstract

In order to manage genetic resources for aquaculture development of snakehead fishChannastriata(Bloch, 1793), genetic variability of three populations from different geographical areas is needed to be understood. The purpose of this study was to identify the genotype and fenotype of snakehead fish from Jawa, Sumatera and Kalimantan using RAPD and “Truss” morphometric. RAPD method used OPA-02, OPA-04 and OPA-07 primers.While twenty one measurement of truss morphometric was done on the body of fish observed. The results showed that population from Java had higher percentage of polymorphism and heterozygosity than those of Sumatera and Kalimantan, accounted for 83.33% and 0.3655 respectively. Population from Kalimantan and Sumatera had the lowest genetic distance of 0.1170.Meanwhile,the highest genetic distance (0.1908) was observed between population from Kalimantan and Java.Interpopulation relation based on the similarity of truss morphometric population from Sumatera and Kalimantan was 50%. However, those populations had similarity of 24.96% with population from Java. Coefficient variation of morphometric data showed that variation of population from Kalimantan was higher than those of Jawa and Sumatera.

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