Judul: Performa Reproduksi Induk Domba Lokal dengan Manajemen Flushing yang Berbeda
Abstrak: Penelitian ini bertujuan mengevaluasi performa reproduksi induk domba lokal dengan manajemen flushing yang berbeda. Penelitian menggunakan 16 ekor domba betina beranak kedua kali dengan Rancangan Acak Kelompok 4 x 4. Perlakuan terdiri P1 = Tanpa flushing, P2 = Flushing sebelum dan setelah kawin, P3 = Flushing sebelum dan setelah kawin serta tengah kebuntingan, P4 = Flushing sebelum dan setelah kawin, tengah serta akhir kebuntingan. Data dianalisis dengan ANOVA, uji lanjut Duncan untuk peubah konsumsi nutrien, lama kebuntingan, bobot lahir anak, litter size, dan bobot induk beranak. Analisis deskriptif peubah persentase kebuntingan, tipe kelahiran dan uji chi-square (x2 ) peubah sex ratio. Hasil penelitian bahwa manajemen flushing yang berbeda sangat nyata meningkatkan konsumsi lemak (P<0,01), nyata meningkatkan TDN dan bobot induk beranak (P<0,05). Manajemen flushing yang berbeda tidak berpengaruh nyata terhadap lama kebuntingan, total bobot lahir, litter size (P>0,05). Dapat disimpulkan P4 mampu memperbaiki performa reproduksi yaitu bobot induk beranak, persentase kebuntingan, tipe kelahiran kembar, namun tidak berpengaruh terhadap lama kebuntingan, total bobot lahir anak, litter size dan sex ratio, This study was aimed to evaluate local ewes reproductive perfomance with different flushing management. This research used 16 second partus local ewes that were used a Randomized Block Design with 4 x 4. The treatments consisted of P1= without flushing, P2 = Flushing before and after mating, P3 = Flushing before and after mating, midle of pregnancy, P4 = Flushing before and after mating, midle of pregnancy and end of pregnancy. The data were analyzed by ANOVA for parameters nutrient consumption, pregnant periode, birth weight, litter size, and ewe weight at partus. Duncan test if data significant difference. Analyzed descriptively for parameter pregnancy, type of birth and chi-square test for parameter sex ratio. The result showed all treatment did not affected to total birth weight, litter size and pregnant periode (P>0,05). Different flushing management significantly increased consumption of crude fat (P<0,01), TDN, ewe weight at partus(P<0,05). This study concluded that P4 could improve performance reproductive in ewe weight at partus, improve pregnancy and type of birth, but did not affected to total birth weight, littersize, pregnant periode and sex ratio offspring
Keyword: local ewes, management flushing, performance reproductive, local ewes, management flushing, performance reproductive

Judul: The Effect of Different Flushing Management on Local Ewes Production Perfromance During Pregnancy
Abstrak: Penelitian ini bertujuan menganalisis pengaruh manajemen flushing yang berbeda terhadap performa produksi induk domba lokal selama bunting. Penelitian ini menggunakan 16 domba betina laktasi kedua dengan rata-rata bobotnya 30,06 ± 6,20 kg dan ditempatkan di kandang individu. Penelitian ini menggunakan Rancangan Acak Kelompok (RAK) dengan 4 perlakuan dan 4 kelompok. Perlakuan terdiri atas P1 = tanpa flushing, P2 = flushing sebelum dan setelah dikawinkan, P3= flushing sebelum dan setelah dikawinkan, serta di tengah kebuntingan, P4 = flushing sebelum dan setelah dikawinkan, ditengah dan diakhir kebuntingan. Rasio hijauan : konsentrat dalam ransum adalah 30 : 70 % berdasarkan bahan kering. Peubah yang diamati meliputi konsumsi nutrien, body condition score (BCS), pertambahan bobot badan harian (PBBH), efisiensi pemanfaatan pakan, dan income over feed cost (IOFC). Data dianalisis dengan ANOVA dan dilanjutkan dengan uji Duncan. Hasil penelitian menunjukkan bahwa perlakuan tidak berpengaruh nyata (P>0,05) terhadap konsumsi bahan kering, konsumsi protein kasar, konsumsi serat kasar, konsumsi Beta-N, BCS, PBBH, efisiensi pemanfaatan pakan, dan nilai IOFC. Manajemen flushing berpengaruh nyata (P<0,05) terhadap konsumsi lemak kasar, konsumsi total digestible nutrient (TDN), dan perubahan nilai BCS sebelum dan setelah flushing. Disimpulkan bahwa manajemen flushing yang berbeda dengan penambahan minyak ikan lemuru sebelum dan setelah kawin, ditengah, dan diakhir kebuntingan mampu meningkatkan dan memperbaiki performa produksi induk domba lokal serta menghasilkan keuntungan yang paling tinggi., The aim of this research was to analyze the effect of different flushing management on local ewes production perfromance during pregnancy. This research used 16 second lactating local ewes, average weight was 30,06 ± 6,20 kg and placed in individual cages. This research used a Randomized Block Design (RBD) with 4 treatments and 4 replications. P1 = without flushing, P2 = flushing during before and after matting, P3 = flushing during before and after matting, and in the middle of pregnancy, P4 = flushing during before and after matting, in the middle and end of pregnancy. Ratio forages and concentrate in the ration were, 30:70 % dry matter basis. The parameter observed were nutient consumption, body condition score (BCS), body weight gain (BWG), feed utilization efficiency, and income over feed cost (IOFC). The data were analyzed using ANOVA and Duncan test. The results showed that the treatment did not significant effect (P>0,05) on consumption of dry matter, consumption of crude protein, consumption of crude fiber, consumption of Beta-N, BCS, BWG, feed utilization efficiency, and IOFC. Flushing management had significant effect (P<0,05) on consumption of crude fat, consumtion of total digestible nutrient (TDN), and difference of BCS before and after flushing. It was concluded that different flushing management with the addition of lemuru fish oil before and after matting, in the middle and end of pregnancy increased and improved production perfromance of local ewes, and produced the highest profit.
Keyword: Flushing management, Body condition score, Production performance

Judul: Pembuatan Film Tipis Cu2ZnSnS4 sebagai Lapisan Penyerap Cahaya pada Sel Surya Menggunakan Metode Elektrodeposisi
Abstrak: Thin film of Cu2ZnSnS4 (CZTS) is an alternative semiconductor used as light absorber layer on solar cell. CZTS can replace silicon that commonly used as commercial semiconductor. The advantage of using CZTS as absorber layer is due to the abundance of its chemical composer on earth, and its high value of absorption coefficient. The absorber layer was made by using electrodeposition method on ITO glass substrates. The films were deposited at room temperature using potentiostatic mode with a potential of –1.05 V for 30, 45, and 60 minutes. After that, the films were annealed at two different temperatures, 180 ºC and 500 °C, for 45 minutes in N2/H2S atmosphere. Based on X-ray diffraction analysis, the polycrystalline thin film obtained fall into kesterite crystal phase. This type of crystal was obtained when the CZTS was annealed at 500 °C in H2S/N2 atmosphere. The value of optical band gap energy for the CZTS thin film was 2.2 eV with the film thickness about 1.228–6.366 μm. The sample of CZTS with electrodeposition time of 45 minutes and annealing temperature of 500 °C showed the best result and in conformity with absorber layers criteria for solar cells.
Keyword: semiconductor, ITO glass, CZTS thin film, electrodeposition