Judul: Karakteristik dan Analisis Penjualan Karkas Non Karkas Domba Betina Lokal Berdasarkan Bangsa yang Berbeda di PT. Tawakkal.
Abstrak: Domba betina ekor tipis dan domba betina ekor gemuk merupakan bangsa domba yang banyak dipelihara oleh masyarakat. Penelitian ini bertujuan untuk mengetahui karakteristik karkas dan non karkas berdasarkan bangsa domba berbeda yang terdapat di PT Tawakkal Ternak Indonesia, Caringin Bogor. Penelitian ini menggunakan 140 ekor domba betina terdiri dari 70 ekor domba ekor gemuk dan 70 ekor domba ekor tipis. Data yang didapatkan kemudian dianalisis dengan uji t. Hasil menunjukkan bahwa dari kategori bobot potong, bobot karkas, bobot tubuh kosong, dan persentase karkas tidak berbeda nyata (P>0.05) antara domba ekor tipis dan domba ekor gemuk. Bagian non karkas yang beda nyata ditunjukkan pada bagian kaki dan saluran pencernaan. Hasil analisis juga menunjukkan bahwa persentase karkas domba ekor tipis dan domba ekor gemuk adalah 46.44% dan 45.93%. Perhitungan keuntungan penjualan karkas dan non karkas domba ekor tipis dan domba ekor gemuk berturut-turut adalah Rp123 800 dan Rp171 200 per ekor.
Keyword: analisis penjualan, domba ekot tipis, domba ekor gemuk, karkas, non karkas

Judul: Karakteristik Karkas dan Non Karkas Domba Lokal Betina yang Berbeda Bangsa di TPH Maleber Bogor
Abstrak: A total of 119 local ewe which consist of 18, 76 and 25 garut sheep, thintailed sheep and fat-tailed sheep was used to evaluate the characteristics of carcass and non carcass at slaughterhouse in Maleber Bogor. The data were analyzed using Analysis of Covariance (ANCOVA), with slaughter weight as a covariable. The results showed that slaughter weight, carcass weight, empty body weight and carcass percentage among these breeds were no significantly different (P>0.05). There were no significantly differences among breeds in the weights of non carcass components, except kidney and shank. There were no significantly among breeds differences in percentage of non carcass components, except kidney percentage. In general, the garut sheep, thin-tailed and fat-tailed slaughtered at weight 20.46 kg, 15.73 kg and 15.98 kg had carcass percentages of 47.14%, 46.61% and 47.65%, and non carcass percentages of 33.56%, 32.73% and 33.32% respectively
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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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