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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 13, No 3 (2014)" : 26 Documents clear
APLIKASI VAKSIN Streptococcus agalactiae UNTUK PENCEGAHAN PENYAKIT STREPTOCOCCOSIS PADA BUDIDAYA IKAN NILA (Oreochromis niloticus) Taukhid Taukhid; Angela Mariana Lusiastuti; Tuti Sumiati
BERITA BIOLOGI Vol 13, No 3 (2014)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v13i3.662

Abstract

The research with the aim to know the effectivity (yield gap) of the application of Streptococcus agalactiae vaccine (pure whole cell) in prevention of streptococcosis on tilapia (Oreochromis niloticus) culture has been carried out. The isolate of S.agalactiae – N14G was used as a master seed on vaccine production. Priming vaccination was administered by immersion method, and booster vaccination was taken th place two months latter by oral method. Challenge test at the lethal dose (LD50) against active bacteria was done at 14 days post booster vaccination, and observation was taken place for 14 days post artificial infection. The results of the research showed that the highest survival rate and relative percent survival (RPS) was found in group treated with Streptovac vaccine (S. agalactiae and A. hydrophila combination) (65.58% and 35.36%) followed by S. agalactiae vaccine (52.08% and 10.01%). The lowest survival rate was found in control group (46.75%). The result of confirmation effectivity of the vaccines by challenge test in the laboratory showed that the highest survival rate and relative percent survival (RPS) was found in S. agalactiae vaccine (50.00% dan 37.50%) followed by Streptovac vaccine (40.00% and 25.00%), and the lowest survival rate was found in control group (20.00%). Vaccination is better than the non vaccinated.
INFEKSI BAKTERI Vibrio alginolyticus PADA LUMBA-LUMBA HIDUNG BOTOL, Tursiops aduncus YANG DIPELIHARA DI LOVINA, SINGARAJA, BALI Fris Johnny; Des Roza
BERITA BIOLOGI Vol 13, No 3 (2014)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v13i3.673

Abstract

An experiment with the aim to identify the cause of disease in Indo-Pacific bottlenose dolphins, Tursiops aduncus was conducted in Pathology Laboratory of Institute for Mariculture Research and Development, Gondol, Bali. The diseased fish showed lost appetite, swim slowly, and haemorrhage on the body surface. These clinical signs indicate that the fish infected by bacteria. The bacteria then were isolated aseptically from different parts of fish body including chin, abdomen, dorsal and caudal fins. Some media were used to isolate the bacteria, namely Triptic Soy Agar (TSA) as a general medium, Thiosulphate Citrate Bile Salt Sucrose Agar (TCBSA) for Vibrio bacteria, Cytophaga Agar (Cyt-A) for Flexibacter bacteria, and KF-Strep Breeders media for Streptococcus bacteria. As a result, one dominant bacterium was isolated from TSA and TCBSA. No bacteria growth showed on Cyt-A and KF-Strep media.The isolate was gram-negative, fermentative, swarm on TSA, growth with yellow colony on TCBSA. Based on its characteristics the isolate identified as Vibrio alginolyticus. Minimum inhibitory concentration (MIC) against Vibrio alginolyticus were 1 ppm for Nifurpirinol, 5 ppm for Penstrep, and 10 ppm or Elbaju.
Begonia hirtella Link DI JAWA Deden Girmansyah
BERITA BIOLOGI Vol 13, No 3 (2014)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v13i3.678

Abstract

Begonia hirtella Link. is one of the introduced species that naturalized and grows wild in Java. This species has very good growing ability and potentially to be invasive at new habitat. Recently, there is no information about the status, existence and distribution of this species in Java. Consequently, it need to be informed about it status, presence and distribution more clearly. Collecting data from herbarium collections, internet connection, various references and some field trips were conducted. This information can improve knowledge and awareness of people as well as assisting monitoring and controlling for introduced plant species such as Begonia hirtella in Java, Indonesia.
JENIS-JENIS BAKAU DI DARUBA DAN WAYABULA, PULAU MOROTAI, MALUKU UTARA Fasmi Ahmad
BERITA BIOLOGI Vol 13, No 3 (2014)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v13i3.669

Abstract

Inventarization on mangrove species in Daruba and Wayabula, Morotai Island were carried out in September 2005. The Result showed that in Daruba found three species of mangrove namely Rhizophora apiculata, Soneratia alba, Bruguiera gymnorhiza with Rhizophora apiculata as dominant species on tree category level. For belta criteria found three species namely Rhizophora apiculata, Bruguiera gymnnorhiza and Ceriops tagal with Rhizophora apiculata as dominant species. In Wayabula also found three species namely Rhizophora apiculata, Sonneratia alba and Rhizophora stylosa, with Rhizophora apiculata as dominant species. While on belta category found two species namely Rhizophora apiculata and Bruguiera gymnorhiza with Rhizophora apiculata as dominant species. Mangrove zone not only grow in coastal area, but also grow behind the coastline. Mangrove species in Morotai Island have the labile character, but stay relative in the good enough condition. That way, this condition is need remain to be defended and guarded against by a local resident activity trouble in order to be regional ecosystem of coastal area in Morotai Island can be sustained well. Region in Morotai Island is draw to be developed to become the natural recreation object, because owning interesting nature panorama.
EFIKASI LIMBAH SAGU SEBAGAI SUBSTRAT KAYA NUTRISI UNTUK MIKROALGA ISOLAT LIPI11-2-AL002 Dwi Susilaningsih; Sari Lestari; Kusnadi Kusnadi; Topik Hidayat; Hani Susanti
BERITA BIOLOGI Vol 13, No 3 (2014)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v13i3.674

Abstract

Microalgae are photosynthetic microorganisms that have potential to produce some useful chemical substances such as carbohydrates, proteins, and lipids. Microalgae are also known exhibited ability as a bioremediation agent. This report is emphasized on analyzing the growth rate and nutritional content of microalgae including carbohydrate, protein and lipid from selected isolates LIPI11-2-AL002 that treated with sago waste. Microalgae were cultivated into hydrolysed sago “ampas” at the concentration of 0,50, 500,5000 ppm, and medium AF-6 (as control culture) respectively.Therefore selected microalgae isolate was cultivated in series of cultivation volume start from 100 mL until 5 Liter media gradually. Observed parameters were covered cell viability (growth) and proximate content of biomass including carbohydrate,lipid and protein content. The results showed that the carbohydrate and protein content in the algal biomass was increase along the addition of series sago “-ampas” concentration.The highest concentration of addition the sago ampas is 5000 ppm which is limit for the algal survival. In the highest treatment of sago waste the alga l proximate contents were 261.09 ppm of carbohydrate, 5.12 ppm of protein and 3.61% per of lipid dry weight respectively. In addition, the toxicity effect of fermentation product was not appeared in a toxicity test using gold fish komet(Carassius auratus).
FUNGI MIKORIZA ARBUSKULA PADA RIZOSFER Pericopsis mooniana (Thw.) Thw. DI SULAWESI TENGGARA Husna Husna; Sri Wilarso Budi R; Irdika Mansur; Cecep Kusmana; Kartini Kramadibrata
BERITA BIOLOGI Vol 13, No 3 (2014)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v13i3.670

Abstract

The research was conducted with the aim to identify species of arbuscular mycorrhizal fungi (AMF) associated with nedum [Pericopsismooniana (Thw.) Thw.]. Soil sampling was conducted in 6 locations of nedum habitat in South-east Sulawesi. The results showed that nedum associated with 15 species of AMF that belonging to 5 families and 9 genera, Acaulosporaceae (Acaulospora scrobiculata and A. delicata), Claroideoglomeraceae (Claroideoglomus etunicatum), Glomeraceae (Glomus aggregatum, G. boreale, G. canadense, G. halonatum,G. versiforme, Rhizophagus diaphanus, R. fasciculatus, Sclerocystis clavispora and Septoglomus constrictum), Gigasporaceae (Racocetragregaria and Scutellospora auriglobosa), Ambisporaceae (Ambispora appendicula). The four species of AMF were found on nedum, i.e Glomus boreale, G. canadense, G. halonatum and Racocetra gregaria which were a new record for mycological collection of Indonesia.

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