Judul: Evaluasi Performa Ayam Broiler di Kandang Closed House Direktorat Bisnis IPB University
Abstrak: Ayam broiler memiliki laju pertumbuhan yang sangat cepat sehingga dapat dipanen kurang lebih 5 minggu. Proses pemeliharaan ayam broiler dilakukan secara intensif dan seluruh kegiatan pemeliharaan dilakukan di dalam kandang. Penelitian ini bertujuan untuk mengevaluasi performa ayam broiler di kandang closed house Direktorat Bisnis IPB University. Data dianalisis menggunakan analisis deskriptif. Parameter yang diamati adalah konsumsi pakan, rata-rata bobot panen, feed convertion ratio (FCR), mortalitas dan indeks performa. Hasil performa ayam broiler di kandang closed house Direktorat Bisnis IPB University pada bulan Maret dan Mei tidak mencapai target dari standar PT Charoen Pokphand Indonesia (Tbk) yaitu pada konsumsi pakan, FCR, mortalitas dan indeks performa, sedangkan bulan Oktober dan November hasil performa ayam broiler mencapai target standar yaitu pada FCR dan indeks performa., Broiler chickens have a very fast growth rate, so they can be harvested for about 5 weeks. The process of raising broiler chickens is carried out intensively and all maintenance activities are carried out in the cage. The objective of this experiment was to evaluate performance of broiler chicken in Closed House System Directorate of Business IPB University. Data were analyzed by using descriptive analysis. Parameters measured were feed consumption, average body weight, feed convertion ratio (FCR), mortality, and performance index. The performance results of broilers in closed house cages of the Directorate of Business IPB University in March and May did not reach the target of PT Charoen Pokphand Indonesia (Tbk) standards, namely on feed consumption, FCR, mortality and performance index, while in October and November the performance results of broiler chickens achieving standard targets, namely the FCR and performance index.
Keyword: Broiler, Closed house, Performance

Judul: Performa Ayam Broiler Pada Zona Inlet dan Outlet di Closed House Palasah Majalengka
Abstrak: HARWANTO FAISAL AL RASYID. Performa Ayam Broiler pada Zona Inlet dan Outlet di Closed house Palasah Majalengka. Dibimbing oleh IMAN RAHAYU dan AHMAD YANI. Penelitian ini dilakukan untuk mengetahui efisiensi produksi ayam broiler akibat perbedaan zona dalam closed house 0-33 hari. Penelitian ini menggunakan analisis deskriptif dan kuantitatif. Analisis ini digunakan untuk mendeskripsikan dan membandingkan performa ayam broiler di zona inlet dan zona outlet pada closed house milik Palasah farm yang bermitra dengan PT Ciomas AdiSatwadengan standarstrain ayam broiler Indian River. Setiap unit percobaan terdiri dari 80 ekor sampel ayam pedaging dengan perlakuan suhu dan kelembapan di zona inlet dan zona outlet. Parameter yang diamati ad alah perf orma ayam broiler yang t erd iri d ari perubahan suhu d an kelembapan, pertambahan bobot badan, feed conversion ratio (FCR), dan mortalitas. Hasil penelitian yang didapatkan bahwa zona inlet memiliki nilai performa yang lebih baik dibandingkan dengan zona outlet dengan indikator bobot badan, pertambahan bobot badan, konsumsi pakan, FCR, indeks performa, dan mortalitas. Kata kunci: broiler, closed house, inlet, kelembapan, outlet, suhu
Keyword: broiler, closed house, kelembapan, Suhu, inlet, outlet

Judul: Hamiltonian formulation for linear waves motion in two layers fluid
Abstrak: The surface wave could be considered as a wave that separates two fluids, namely water and air. Based on this assumption, it is introduced the interfacial wave, a wave between two layers of fluid with different density. The formulation of interfacial waves motion begins with deriving the base equation of irrotational ideal fluid. Furthermore, according to irrotational fluid assumption, the base equation can be stated in velocity potential. In this derivation, the fluids domain is assumed to be restricted by rigid lid boundary conditions, both at the upper and lower limit. Therefore, the interfacial waves motion can be explained in a hamiltonian formulation. In the hamiltonian formulation, total energy is defined as the sum of kinetic and potential energy. The hamiltonian system is obtained from reduction of kinetic energy by using the Dirichlet Neumann Operator. The resulted kinetic energy equation is nonlinear. Therefore, this form is linearized by first part of the Taylor expansion. This linearization gives a dispersion relation of linear wave. Based on this dispersion relation, the phase speed of the linear wave depends on the density ratio of the two layers fluid.
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