Judul: Patologi penyakit mikotik granulomatosis pada ikan sepat labiosa (Colisa labiosa) dari distributor ikan hias Bogor
Abstrak: Lesio mikotik granulomatosis yang disebabkan oleh cendawan golongan Oomycetes, Aphanomyces invadans ditemukan pada ikan sepat labiosa (Colisa labiosa) yang berasal dari distributor ikan hias Ciluar, Bogor. Aphanomyces invadans dilaporkan sebagai patogen utama yang menyebabkan penyakit epizootik di 24 negara pada empat benua yang disebut sebagai Epizootic Ulcerative Syndrome (EUS). Kulit ikan sepat labiosa pada kasus ini tampak ditumbuhi oleh massa kapang air yang menyerupai kapas. Di bawah massa kapang ditemukan luka terbuka yang memberikan warna merah kelabu pada kapang Pada pengamatan histopatologi ditemukan hifa aseptat basofilik pada kulit, tot, hati, serosa, dan medulla spinalis yang diselubungi oleh sel epiteloid membentuk lesio granulomata. Kajian secara histopatologi mengindikasikan bahwa kan sepat labiosa dari Ciluar, Bogor merupakan ikan yang peka terhadap infeks Aphanomyces invadans. Kata Kunci: Aphanomyces invadans, Colisa labiosa, Epizootic Ulcerative Syndrome, Mikotik Granulomatosis
Keyword: Aphanomyces invadans, Colisa labiosa, Epizootic Ulcerative Syndrome, Mycotic Granulomatosis

Judul: Studi Histopatologi Insang, Usus Dan Otot Ikan Gurami (Osphronemus gouramy) Akibat Infestasi Parasit Protozoa Di Desa Carangpulang Dramaga Bogor
Abstrak: The aim of the research was to find out the histopathological lesions of gouranzy fish gills, intestines, and muscles from Carangpulang Village Bogor. Fifteen fishes about a year old wlere used as sample in this research. Histopathological examination was done by lzenzatoxiilin and eosin stain (HE). Microscopically, gill was the izostc ommon organ with pathological lesions. Gill was ofen infected by flagellum protozoa parrrsites, such as Ichthyobodo sp, Myxozoa (Hennegujla sp and Myxobolus sp) and unidentified protozoa. In intestines, no specijic pathological change was found, while in muscle tissue hyaline and vacuola degenerations as well as necrotic lesions were commonly detected. Based on all findings mentioned above, the lesion of gill fishes were inzcted by protozoa Ichthyobodo sp and myxozoa which can cause ichthyobodosis. Moreover, we suggest that a non infectious agent such as chemical polutans as one of the caused of oedema, telangiectasis and thickening of lamella of the gills.
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Judul: Real Option Valuation Using Binomial Decision Trees.
Abstrak: A firm that decides to invest has a choice to invest in real assets. A method which is usually used in valuation of the project is discounted cash flow (DCF) method. But, this method can’t be used in projects that account for value of managerial flexibility, such as decision to suspend operations temporarily. Therefore, this kind of project needs to be assessed using real option. Real option valuation can be done in some ways, including the use of path-dependent simulation, as well as closed-form models like Black-Scholes model, partial differential equation, and binomial or multinomial approaches. In this paper, real option valuation using binomial decisions id discussed. Determination of the project value can be done in three steps. First, calculate the expected present value of the project. Next, calculate volatility of the project using Monte Carlo simulation. Last, construct a binomial tree to model the dynamics of the project value using the parameters of the stochastic process, and then add some decision nodes to model the project’s real options.
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