Judul: Analisis Kelayakan Pengembangan Usaha Penggilingan Tepung Ubi Jalar pada KWT Berkah Sari Desa Purwasari, Kecamatan Dramaga, Kabupaten Bogor
Abstrak: Berkah Sari as a woman farmer group has been processing sweet potatoes into sweet potatoes flour. It is located in Purwasari Village, Dramaga Subdistrict, Bogor District. This study aims to (1) analyze the feasibility of nonfinancial aspects such as market; technical; management and legal; economic and social; and enviromental aspects of sweet potatoes flour business on the actual condition and adding a new investment of milling machine (development condition); (2) analyze the feasibility of financial aspects such as Net Present Value (NPV), Net Benefit Cost Ratio (Net B/C Ratio), Internal Rate of Return v (IRR), and Payback Period (PP) on the actual condition and adding a new investment of milling machine (development condition); and (3) analyze the switching value of increasing input price and decreasing output price. Based on non-financial analysis, almost all aspects were feasible, except for production process in technical aspect and legal aspect. Based on financial analysis, the actual condition was not feasible, except for payback period criteria. In terms of development condition, it was feasible where the NPV was IDR104 440 708.02, net B/C 4.42, IRR 63 percent, and Payback Period 1.14. The discount rate was 5.75 percent. Switching value analysis showed that the increasing purchasing price of fresh sweet potatoes by 69.32 percent and the decreasing price of sweet potatoe flour by 17.94 percent were still feasible. The Incremental Net Benefit from actual to development conditions was IDR107 768 620.67, implying that the new invesment of milling machine would give benefit to Berkah Sari woman farmer group
Keyword: PP, IRR, Net B/C, NPV, Incremental Net Benefit

Judul: Profitabilitas Usaha Pengolahan serta Nilai Tambah Produk Ubi Jalar pada Kelompok Tani Hurip di Desa Cikarawang, Bogor
Abstrak: Sweet potato has potentialy to be developed in an effort to diversify food. Sweet potato production in Indonesia is high, one of production centre in West Java. Sweet potato as food has not been used optimally. Post-harvest processing can increase the shelf life as well as the added value of sweet potatoes. Farmers Hurip (KTH) is a producer of sweet potato flour in the Bogor area. The aim of this research is to analyze the profitability and value added processing sweet potato to flour at KTH. The research was conducted at KTH is located in the village of Cikarawang, Dramaga District, Bogor Regency. This research was conducted from February 2013 to April 2013. The results showed that the sweet potato process business run by KTH has not been able to turn a profit. That is because quite a high variable costs, especially in raw material costs. Current efforts KTH sweet potato flour has not been able to break even, which means that the company has not been able to cover the cost factor and still experiencing losses. Value added generated by the use of dry shredded material is greater than the fresh sweet potatoes.
Keyword: value-added, sweet potato flour, profitability, cost analysis

Judul: Light Microscope Study of ConnectiveTissue in The Spleen of Common Rousette Bat (Rousettus amplexicaudatus)
Abstrak: The spleen is the largest lymphoid organ. As a secondary lymphoid organ, in addition to its immune function, the spleen also has functions as blood filtration, storage, and hematopoiesis. The spleen has different morphologies between species that support different physiological functions, one of which is the difference in the structure of the capsule and trabeculae. Capsule and trabeculae of the spleen generally consist of connective tissue and smooth muscle. The thickness of smooth muscle composed together with connective tissue in the capsule and trabecula determines the function of the spleen that is divided spleen into three storage, defense, and intermediate. Bats are the reservoir of various zoonotic diseases. Bats are thought to have unique immune systems compared to other mammals but the characteristics of its immune organs such as the spleen have never been studied before. This study was conducted to examine the characteristics of capsulae and trabecula of the Common Rousette (Rousettus amplexicaudatus).
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