Judul: The Effect of Vitamin E (dl-a-Tocopherol Acetate) Suplementation on Performances and Some Characteristic of Rabbit Carcasses
Abstrak: Vitamin merupakan salah satu zat makanan yang mempunyai peranan penting dalam fungsi sel tubuh sehingga penting untuk diperhatikan. Salah satu vitamin yang esensial bagi temak adalah vitamin E, karena tubuh temak tidak dapat mensintesa, sehingga perlu ditambahkan dalam ransum. Untuk mengetahui dan mempelajari (baik langsung maupun tidak langsung) pengaruh penambahan vitamin E (dl-a-Tocopherol Acetate) dalam ransum, maka dilakukan pengamatan terhadap 30 ekor kelinci New Zealand White persilangan lepas sapih dengan melihat penampilan dan beberapa sifat karkasnya., The effect of vitamin E (dl-a-Tocopherol Acetate) supplementation in diets on performances and some characteristic of rabbit carcasses was studied in thirty post weaning female rabbits. The design of the experiment was completely randomized with five treatments and six replications. Five treatments were EO= basal ration (without suplementation dl-a-Tocopherol Acetate), E50= EO + 50 mg dl-a -Tocopherol Acetatelkg diet, E100 = EO + 100 mg dl-a - Tocopherol Acetatelkg diet, E150 = EO + 150 mg dl-a -Tocopherol Acetatelkg diet, and E200 = EO +200 mg dl-a -Tocopherol Acetatelkg dies. All meat from the right side carcasses were separated to determine dry matter (water content), fat (ether exstract), protein, saturated fatty acids and unsaturated fatty acid content.
Keyword: Vitamin E, Rabbit carcasses, Carcass quality, Supplement

Judul: Vitamin E Supplementation in Diets on The Percentage of Carcasses and Non Carcasses, and Meat Bone Ratio in IPB-D3
Abstrak: Tujuan penelitian ini adalah untuk mengevaluasi suplementasi vitamin E dalam ransum terhadap persentase karkas, non karkas, serta rasio daging tulang ayam IPB-D3 dalam ransum yang berbeda. Penelitian ini menggunakan 160 ekor ayam IPB-D3 yang diberi ransum perlakuan dari umur 5 sampai 12 minggu. Penelitian ini menggunakan rancangan acak lengkap (RAL) pola faktorial dengan dua faktor yaitu jenis ransum (SNI dan SNI+10%) dan suplementasi vitamin E (0 ppm dan 200 ppm). Perlakuan ransum yang diberikan adalah sebanyak 4, yaitu (P1) ransum SNI, (P2) ransum SNI+10%, (P3) ransum SNI+vitamin E 200 ppm, dan (P4) ransum SNI+10%+vitamin E 200ppm. Hasil penelitian menunjukkan bahwa jenis ransum SNI+10% meningkatkan persentase bobot karkas, tetapi menurunkan panjang relatif bobot duodenum, persentase jejunum, panjang relatif jejunum, panjang relatif ileum, dan persentase sekum. Kesimpulan penelitian ini adalah jenis ransum dengan kandungan 10% lebih besar dari SNI ayam kampung mampu meningkatkan bobot karkas ayam IPB-D3., The purpose of this study was to evaluate vitamin E supplementation in the diet to the percentage of carcass, non carcass, and meat bone ratio of IPB-D3 chicken in different diets. This study used 160 IPB-D3 chickens that were given treatment diets from 5 to 12 weeks of age. This study used a factorial RAL pattern with two factors, namely the type of diet (SNI and SNI + 10%) and vitamin E supplementation (0 ppm and 200 ppm). The diets treatments given were 4, namely (P1) diet SNI, (P2) diet SNI+10%, (P3) diet SNI+vitamin E 200 ppm, and (P4) diet SNI+10%+vitamin E 200ppm. The results of the analysis showed that the type of diet SNI+10% increased the percentage of carcass weight, but decreased the relative length of the duodenum, the percentage of the jejunum, the relative length of the jejunum, the relative length of the ileum, and the percentage of the cecum. The type of SNI diet for native chickens with nutrients above 10% was able to increase the carcass weight of IPB-D3 chickens. The type of SNI diets for native chickens with nutrients above 10% was able to increase the carcass weight of IPB-D3 chickens.
Keyword: carcass percentage, IPB-D3 chicken, meat bone ratio, non carcass percentage, vitamin E.

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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