Judul: Evaluation of Animal Welfare Implementation at Jatinegara Bird Market, Special Capital Region of Jakarta
Abstrak: Kesejahteraan hewan adalah segala urusan yang berhubungan dengan keadaan fisik dan mental hewan menurut ukuran perilaku alami hewan yang perlu diterapkan dan ditegakkan untuk melindungi hewan dari perlakuan setiap orang yang tidak layak terhadap hewan. Penelitian ini bertujuan untuk memberikan gambaran mengenai penerapan kesejahtraan hewan terutama pada burung di Pasar Jatinegara dan untuk mengetahui korelasi antara karakteristik, pengetahuan, serta praktik pedagang burung mengenai aspek kesejahteraan hewan di Pasar Jatinegara. Penelitian ini dirancang menggunakan kajian lapang lintas seksional (crosssectional study). Data diperoleh dari wawancara kepada 30 responden menggunakan kuesioner yang disusun secara terstruktur. Hasil penelitian menunjukkan bahwa pengetahuan dan praktik pedagang burung tergolong sedang. Dalam peneitian ini didapatkan hubungan yang nyata antara pendidikan dan pengetahuan (p=0.009; r=0.469).
Keyword: Animal welfare, Bird, Knowledge, Practice, Natural behavior, Education, Knowledge, Animal welfare, Ukuran perilaku, Bird condition

Judul: Animal Welfare Implementation in the Live Bird Markets (LBMs) in Bogor
Abstrak: The aim of this research is to describe the animal welfare implementation in the live bird markets (LBMs) in Bogor. This research was conducted through direct observation in the field using structured questionnaire. This study involved 5 live bird markets in 3 sub-districts and 15 vendors. The evaluation of animal welfare implementation included three important aspects, i.e. 1. Transportation aspects (vehicle and crates), 2. Collecting aspects (caging, maintaining, cleaning, poultry health and wastes disposal) and 3. Slaughtering aspects (personnel, equipment, slaughter process). The result showed that the animal welfare implemented in the transportation included time of poultry delivery in the morning and night, regular cleaning of vehicle, using of plastic crates, poultry density in a crate, number of crate stack, and regular cleaning of crates. The good implementation of animal welfare due to the collecting aspects comprised using of postal cages, density in the cages, feeding and water availability, ventilation, lighting, regular cleaning of cages, replacing of litter, and poultry health inspection. The animal welfare which were implemented well due to slaughtering aspects consisted of maintaining of knives sharpness, sufficient number of knives, regular cleaning of knives, bleeding, blood collecting, and bleeding time. This study suggested that some aspects related to LBMs in Bogor should be improved through communication information and education (CIE) on vendors and consumers which are managed by Municipal Office for Agribusiness Bogor City and related stakeholders. Keywords: animal welfare, live bird markets.
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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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