Judul: Differences in Carcass Characteristics and Meat Quality  among Indonesian Sheeps
Abstrak: Keragaman rumpun domba lokal menghasilkan perbedaan karakteristik karkas dan kualitas daging. Penelitian bertujuan untuk mengetahui dan menganalisis perbedaan karakteristik karkas dan kualitas daging antar rumpun domba Indonesia. Penelitian ini menggunakan seratus dua puluh ekor domba jantan dengan pola pemeliharaan yang sama. Variabel yang diamati pada penelitian ini yaitu bobot hidup, bobot karkas, persentase karkas, panjang karkas, karkas dingin, pH, keempukan, persentase susut masak, serta daya ikat air. Hubungan antara karakteristik karkas dengan kualitas daging antar rumpun domba dilakukan dengan menggunakan metode analisis General Linear Model (GLM). Hasil penelitian menunjukan bahwa bobot hidup, bobot karkas, persentase karkas, panjang karkas, bobot karkas dingin, pH, keempukan, serta persentase susut masak berpengaruh secara signifikan (P<0,001) terhadap rumpun domba. Kesimpulan dari penelitian ini yaitu domba ekor gemuk memiliki karakteristik karkas yang paling baik dibandingkan domba lainnya, serta domba compass agrinak memiliki kualitas daging yang lebih unggul dari domba lainnya., The diversity of local sheep breeds results in differences in carcass characteristics and meat quality. The study aimed to determine and analyze differences in carcass characteristics and meat quality between Indonesian sheep breeds. This study used one hundred and twenty sheep with the same maintenance pattern. The variables observed in this study were live weight, carcass weight, carcass percentage, carcass length, cold carcass, pH, tenderness, cooking loss percentage, and water-binding-holding capacity. The relationship between carcass characteristics and meat quality among sheep breeds was conducted using the General Linear Model (GLM) analysis method. The results showed that live weight, carcass weight, carcass percentage, carcass length, cold carcass weight, pH, tenderness, and cooking loss percentage significantly affected sheep breeds (P<0.01). This study concluded that fat-tailed sheep have the most superior carcass characteristics compared to other sheep, and jonggol sheep have superior meat quality than other sheep.
Keyword: carcass characteristic, meat quality, sheep

Judul: Pengaruh Bangsa Domba dengan Bobot Potong yang Berbeda terhadap Karakteristik Karkas dan Non Karkas Domba Lokal
Abstrak: Carcass and non carcass characteristics were evaluated in 66 local ewe consisting of 25 Thin tailed sheep (DET), 23 Tail fat sheep (DEG) and 18 Garut sheep (DG). The research was designed using Completly Randomized Design (RAL), 3x3 factorial pattern, with two different factors, among three local ewe (Thin Tail Sheep, Fat Tail Sheep, and Garut Sheep) with three categories of slaughter weights, first category (6-14 kg), second category (15-23 kg) and third category (≥24 kg). The data were analyzed using analizes of varians (ANOVA) and the different among treatmen’s were tested by LS Means. The result showed that carcass percentage only were significantly (P<0.05) influenced by the interaction of breed and slaughter weight category of local ewe. The result showed the largest percentage of carcass was obtained from fat tailed sheep in the second slaughter category (48.84%), and the smallest carcass percentage occured in garut sheep of the second slaughter category (42.63%).
Keyword: carcass, category of slaughter weight, local ewe, non 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