Judul: Performa Dan Morfometrik Domba Ekor Gemuk Dengan Pemberian Pakan Konsentrat Dan Limbah Tauge Pada Taraf Pemberian Yang Berbeda
Abstrak: Performance and morphometric are a description of conditions which reflect the growth and development of livestock. Generaly, these are influenced by genetic and environmental factors. Genetically, fat tailed sheep is one of a local sheep, which is fast in growth and can adapt in the tropical climate. Feed is one of the environmental factor, which can influence the growth. This research was conducted to determine the performance and morphology of fat tail sheep male (under one year old) that fed by concentrate and sprouts waste at different levels, they were P1 = 100% concentrate + 0% sprouts wastes, P2 = 75% concentrate + 25% sprouts wastes, P3 = 50% concentrate + 50% sprouts wastes and P4 = 25% concentrate + 75% sprouts wastes. The sheep were classified into two groups are small and large body weight. The Data were analyzed using randomized block design with four treatments and two blocks. The results of this research show that the treatments had significantly (P<0.05) influenced the sheep performance but they do not have significant result on the sheep morphometric.
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Judul: Hubungan Kondisi Fisiologis Domba Ekor Gemuk Jantan dan Palatabilitas Limbah Tauge sebagai Ransum Selama Penggemukan
Abstrak: Sheep farming has been increasing to meet demand of animal protein for human needs. In the livestock business, feed cost is the largest cost. In this study, bean sprouts waste which have no economic value was used as a sheep feed to increase sheep productivity. Productivity of sheep was affected by internal factors and external factors. The external factors are physiological responses and the internal factors are nutrient contents of feed. Bean sprout waste contains 13,63% of crude protein and 49,44% of crude fiber which are useful for sheep feed. The treatment level were P1 (100% concentrate), P2 (75% concentrate + 25% bean sprout waste), P3 (50% concentrate + 50% bean sprout waste), and P4 (25% concentrate + 75% bean sprout waste). The result showed that physiological response and palatability were increased along with the increasing of bean sprouts waste in the feed content. In this research, there were no significant relationship between palatability and physiological response.
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Judul: Elektrodeposisi Film Tipis Semikonduktor Cu2ZnSnS4 (CZTS) pada Substrat Kaca ITO
Abstrak: Semiconductor Cu2ZnSnS4 (CZTS) thin film that can be used as absorber layers on solar cell module was made via electrodeposition method. CZTS thin film was electrodeposited on the surface of a silicate glass coated with a thin layer of indium tin oxide (ITO). Deposition process was done using potentiostatic mode at room temperature with a potential of 1.05 V for 30, 45, and 60 minutes, followed with annealing the film at 2 different temperatures, 500 ºC using furnace and 180 ºC using hot plate, both treatments for 45 minutes in N2/H2S atmosphere. The X-ray difractograms were analyzed using Match 2 program and showed that the CZTS thin films had kesterit crystalline structure, with a low percentage of CZTS phase. The thin film also contained secondary phases such as Cu2S, ZnS, and SnS. The obtained CZTS thin films had a thickness between 1.039 and 1.676 μm. Absorption study showed that the band gap energy of CZTS thin films which was annealed using furnace ranged from 1.50 to 1.52 eV, whereas that annealed using the hot plate was not observed. The band gap energy value showed that CZTS thin films can be used as sunlight absorber layers on solar cell. The formation of CZTS crystal film on this investigation was effectively performed using furnace annealing process at a temperature of 500 ºC with deposition time of 45 minutes.
Keyword: Thin film, Electrodeposition, Cu2ZnSnS4