Judul: The Control And Eradication Of Brucellosis In Cattle From The Standpoint Of Human Health
Abstrak: Brucella abortus occurs both in man and cattle. The organism may thrive wherever cattle are raised by man for breeding purposes. As such, spread to humans can easily be lessened if the disease is properly controlled and/or eradicated in cattle. Control of Brucella abortus in cattle can be under taken by continued vaccination, proper attention to hygiene and the particular care taken in the introduction of only brucellosis-free animals into cattle farms. Vac- cination using the strain 19 or strain 45/20 Brucella abortus vaccine is commonly used, though the former is more popular. Each of these vaccine strains has its own advantages and disadvantages. Eradication of Brucella abortus by the test and slaughter policy can also be carried out after proper vaccination programmes have been initiated and a stage reached where only a very small percentage of positive reactors is found,
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Judul: Pengembangan kandidat vaksin iradiasi Brucella abortus isolat lapang
Abstrak: Brucellosis is a strategic contagious animal disease in Indonesia, which is caused by Bru/:ella abortus (B. abortus). Brucellosis causes abortion, still birth, orchitis; arthritis, infertility and sterility lowering milk production. Eradication of cattle in many countries have been conducted by test and slaughter and vaccination programme. At the moment there are two vaccinations available to control bovine brucellosis; those are B. abortus S 19 and B. abortus RB51. One of the problems in the eradication is not enough a vaccine. The objective of this research was to develop irradiated brucellosis vaccine from B. abortlls local isolate through isolation, identification and biotyping B. abortus from field cases. Determination of B. abortus radiation dose and in vivo study was done in guinea pigs. The samples were collected from milk (Bandung, west Jawa), amnion fluids (diagnostic sample) and higroma fluids (Be1u, NIT). In this study we use three isolates that were SBDG-13C (milk), CAM-08/306 (amnion fluids), and CH09- BL (higroma fluids). Biotyping of the three isolates categorized as B. abortus biotype I. Standard curves of B. abortus was made by calculating bacteria cells number indirectly. Linear equation of the standard curve of SBDG- J3C; CAM- 08/306 and CH09-BL isolates were y = 7.2119x + 6.7723; y = 3.889lx + 7.5278 and y = 2.9829x + 7.9612 respectively (x is absorbance value and y is log number of cells/ml). Observation on the growth of the isolates after Gamma irradiation showed variation responses to the value LDso of isolate CAM-08/306, CH09-BL and SBDG-I3C were 13.5; 11.9, and 17.9 Gy, respectively. The in vivo study showed that the spleen of irradiation vaccinated guinea pigs was a swelling (splenomegaly) and contained 102 to 106 CFU bacteria. Based on the results, It seems likely that those three isolates have not been defined as candidate isolate for brucellosis vaccine.
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Judul: Karakteristik Komponen Kayu Bagian Lunas, Gading-gading, dan Linggi pada Kapal Kayu di Teluk Nara, Lombok Utara
Abstrak: Kapal SV Vivian merupakan kapal pariwisata yang terbuat dari kayu solid. Kapal SV Vivian terdiri dari bagian lunas, linggi haluan dan linggi buritan, gading-gading, wrang, galar kim, galar balok, balok geladak dan lutut-lutut, kulit luar, geladak, pagar, sekat kedap air. Pembuatan kapal hanya didasarkan pada pengalaman, sehingga perlu diteliti untuk mengetahui karakteristik komponen kayu yang digunakan. Penelitian mengukur karakteristik atau sifat-sifat dasar komponen kayu yang digunakan pada bagian gading-gading, linggi dan lunas. Standar pengujian yang digunakan yaitu BS-373: 1957. Jenis kayu yang digunakan untuk pembuatan lunas dan linggi yaitu kayu Ulin (Eusideroxylon zwageri) dan gading-gading menggunkan kayu kempas (Koompasia malacensis). Kayu ulin memiliki karakteristik yang lebih baik dibandingkan dengan kayu kempas. Kayu ulin masuk kedalam kelas kuat I dan tahan terhadap serangan marine borers sehingga tergolong kedalam kelas awet I. Kempas tergolong kedalam kayu dengan kelas kuat II dan ketahanan terhadap marine borers masuk kedalam kelas awet V. Bagian lunas kapal disambung dengan menggunakan baut dan jenis sambungan yang digunakan yaitu plain scarf.
Keyword: Lunas, Gading-gading, Linggi, Sifat Fisis, Sifat Mekanis