Judul: Karakteristik Karkas dan Non Karkas Kambing Kacang dan Kambing Peranakan Etawah pada Bobot Potong 17 kg
Abstrak: Sebanyak 36 ekor kambing lokal jantan yang terdiri dari 26 ekor kambing kacang dan 10 ekor kambing peranakan etawah (PE) digunakan untuk mengevaluasi karakteristik karkas dan non karkas pada bobot potong rata-rata 17 kg. Data karkas dan non karkas dianalisis menggunakan Analysis of Covariance (ANCOVA). Bobot potong dan bobot karkas kiri kambing digunakan sebagai covariable. Hasil penelitian menunjukkan bahwa bobot potong, bobot tubuh kosong, bobot dan persentase karkas kambing kacang sangat nyata lebih tinggi (P<0.01) dibandingkan dengan kambing PE. Ada perbedaan signifikan pada komponen non karkas yaitu kepala, kulit, kaki, darah, lemak omental, jantung, kantung kemih, ginjal, dan jeroan hijau. Hasil analisis menunjukkan kambing PE memiliki persentase tulang dan jaringan ikat sangat nyata lebih tinggi (P<0.01) dan persentase lemak karkas yang lebih rendah (P<0.05) dibandingkan kambing kacang. Secara umum, kambing kacang dan kambing PE yang disembelih pada bobot potong rataan 17 kg menghasilkan masing-masing persentase karkas 41.02% dan 34.31% dan persentase non karkas 33.81% dan 32.61%
Keyword: breeds, carcass, local goat, non carcass

Judul: Karakteristik Karkas dan Non Karkas Kambing Kacang dan Kambing Peranakan Etawah (PE) pada Bobot Lepas Sapih.
Abstrak: This study was conducted to evaluate carcass and non carcass characteristics of 27 Kacang goats and 16 Etawah crossbreed goats (Peranakan Etawah, PE) at post-weaning body weight (average 10.04 kg). The data were analysed using Analysis of Covariance (ANCOVA) with Slaughter Weight (SLW) and half carcass side as covariable. The results showed that PE goats had very significantly (P<0.01) higher in SLW, non carcass weight and percentages (based on SLW), while their Empty Body Weight (EBW) was significantly higher (P<0.05) than Kacang goats. PE goats had higher (P<0.01) percentages (based on EBW) of tail, vesica urinaria, and intestinal tract. PE goats also had higher (P<0.05) blood, pancreas and gastrointestinal tract percentages, whereas percentages of omental fat (P<0.05) and genitals (P<0.01) were greater for Kacang goats. There were no differences observed in percentages of muscle, fat and bone of carcass components between breeds, but PE goats had very significantly (P<0.01) higher percentages of connective tissue than Kacang goats. PE goats had higher proportion of leg (P<0.01), but Kacang goat had significantly higher (P<0.01) proportion of loin, rack and breast. Evaluation on carcass and non carcass characteristics of Kacang goats and PE goats which slaughtered at post-weaning body weight resulted differences on non carcass characteristics, carcass compositions and tissue distributions of commersial cuts.
Keyword: post-weaning, PE goats, non carcass, kacang goat, carcass

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