Judul: Sumber-Sumber Risiko Produksi Usahaternak Ayam Broiler Pada Peternakan Mitra Dramaga Unggas Farm (DUF)
Abstrak: Broiler farms is one of the businesses that has the potential for national poultry supply. Bogor District is one of broiler production central in West Java.So grow the companypartners on broiler farm such as Dramaga Unggas Farm (DUF). The mortality indicated the presence of production risk in partner farmers Dramaga Unggas Farm. The purpose of this research are to analyze thesources of production risk, analyze the probability of risk sources, analyze the impact of risk sources and alternative strategic for handling it. Identification of production risk in broiler farm use descriptive analysis resulted such as risk of weather, predators, cage density, layout cage, post-vaccination, dry feet (dehydrated), and disease. This research using Probability analysis with Z-score method and Implication Analysis with VaR method. The results mapping risk indicate that there two kinds of management strategies such as preventive and mitigation strategies. The disease was the source of risk that had the highest probability and the worst impact. The farmers should do strategy by prioritizing strategy that caused by a source of risk of disease.
Keyword: Value at Risk, Z-score, sources of production risk, Broiler farms

Judul: Risiko Produksi Ayam Ras Pedaging Pada Peternakan di Kecamatan Pamijahan Kabupaten Bogor, Jawa Barat
Abstrak: Husbandry is one of the agricultural sector which has a potential to be developed. One of the many husbandry commodities grown in Indonesia, especially in West Java is broiler. Similarly with other agribusiness, broiler husbandry also has risk especially production risk which seen from the chicken mortality at each production period. This research objectives are to indentify production risk sources, to analyze the sources’s probability and impacts, and to determine alternative strategy due to reduce the risk probability and impacts. To reach the research objectives, this research use several method such as Z-score and Value at Risk (VaR). Production risk sources at broiler husbandry in Kecamatan Pamijahan are weather, pests and predators, disease, and environmental disorders. According to probability the source which has the biggest probability is pests and predators and the lowest probability is environmental disorders. The biggest impact caused by disease and the lowest impact caused by environmental disorders.
Keyword: risk mapping, broiler, Production Risk

Judul: Pembuatan Film Tipis Cu2ZnSnS4 sebagai Lapisan Penyerap Cahaya pada Sel Surya Menggunakan Metode Elektrodeposisi
Abstrak: Thin film of Cu2ZnSnS4 (CZTS) is an alternative semiconductor used as light absorber layer on solar cell. CZTS can replace silicon that commonly used as commercial semiconductor. The advantage of using CZTS as absorber layer is due to the abundance of its chemical composer on earth, and its high value of absorption coefficient. The absorber layer was made by using electrodeposition method on ITO glass substrates. The films were deposited at room temperature using potentiostatic mode with a potential of –1.05 V for 30, 45, and 60 minutes. After that, the films were annealed at two different temperatures, 180 ºC and 500 °C, for 45 minutes in N2/H2S atmosphere. Based on X-ray diffraction analysis, the polycrystalline thin film obtained fall into kesterite crystal phase. This type of crystal was obtained when the CZTS was annealed at 500 °C in H2S/N2 atmosphere. The value of optical band gap energy for the CZTS thin film was 2.2 eV with the film thickness about 1.228–6.366 μm. The sample of CZTS with electrodeposition time of 45 minutes and annealing temperature of 500 °C showed the best result and in conformity with absorber layers criteria for solar cells.
Keyword: semiconductor, ITO glass, CZTS thin film, electrodeposition