Judul: Broiler’s response in the tropics to the excess of energy intake in an effort to decrease the deposition of Abdominal Fat.
Abstrak: Ayam broiler yang dipelihara di daerah tropik menimbun lemak tubuh lebih besar daripada di daerah beriklim sedang. Penimbunan lemak abdominal (LA) pada masa pertumbuhan merupakan indikasi dari kelebihan asupan energi. lmbangan kandungan energi metabolis dengan protein ransum yang tidak tepat untuk pemeliharaan di daerah tropik dapat menyebabkan kelebihan asupan energi pada rnasa pertumbuhan.
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Judul: Metabolisme lemak ayam broiler yang diberi pakan berbasis karbohidrat atau lemak yang disuplementasi vitamin E dan vitamin C melalui air minum.
Abstrak: Indonesia as a tropical country potentially lead to a less comfortable conditions for the production of broiler chickens. Stress conditions can stimulate cell membrane and tissue damage, so it can give a negative impact on the chickens, for example the liver. It is necessary to neutralize (antioxidants) lipid peroxidation and detoxification of toxic metabolic products in an effort to maintain or increase fat metabolism in the liver. Objectives of thus research were to evaluate the vitamin E and C supplementation through drinking water to overcome the existence of free radicals and lipid metabolism in the body. Research used the 160 male Ross broiler strain with weight of 38 ± 2 g with a brand CP 707 (Ross strain). For the first week, the broiler chickens were fed a commercial starter of PT Charoen Pokphand Indonesia, then followed by two types feed namely carbohydrate-based (PC) and fat-based (PL) rations, depend of fat level content in the feed. Vitamin C was given at 60 mg/l of drinking water and vitamin E at 8 mg/l of drinking water of PT Trouw Nutrition Indonesia. Data collection were done for 21 days after the age of 8-28 days with 4 combination treatments, 4 replicates and 10 chickens per replicate. Research using factorial completely randomized design (CRD factorial). The data were analyzed using ANOVA followed by orthogonal contrast test. The data obtained were tested using the General Linear Model procedure using SAS software version 9.1. Some aspects analyzed are the malonaldehid (MDA), blood profile, blood chemistry, apparent metabolize energy, nitrogen retention, fat retention and broiler performance. The results showed that blood profile, blood chemistry, malonaldehid (MDA), relative liver weights and body weight gain were not affected (P > 0.05) due to the treatments. On the other hand total cholesterol (P < 0.01) and HDL cholesterol (P < 0.05) were significantly affected by the treatments. Feed intake and feed conversion ratio significantly different (P < 0.01) caused by interaction of vitamin supplementation through drinking water with fat based rations. In conclusion , fat based rations is more profitable (IOFC) and improve feed conversion ratio of broiler chickens during heat stress when supplemented with vitamin E and vitamin C through drinking
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Judul: Penyelesaian Numerik Persamaan Schrödinger untuk Molekul BaO dan SrO Menggunakan Model Potensial Morse
Abstrak: Morse potential is a potential model used to describe the behavior of a molecular vibration between atoms. This study aimed to obtain the value of the dissociation energy, the energy eigenvalues of each energy level, and describe the shape of the wave function of the molecule BaO and SrO on the vibrational state. Dissociation energy is calculated by adding the experimental dissociation energy and the ground state energy eigenvalues. Calculating the energy eigenvalues of the energy levels 0 to 4 using shooting method integrated with Numerov and Runge-Kutta method. Energy eigenvalues of each levels that calculated numerically having accuracy of 100% compared with the calculated analytically. The profil of wave functions accurately show the corresponding states and their normalized wavefunctions.
Keyword: SrO, Morse potential, energy eigenvalues, dissociation energy, BaO