Judul: Penyebab Kematian Pedet Serta Dampak Terhadap Perkembangan Populasi Sapi Sabah Sahiwal Friesian (Studi Kasus Di Stasiun Pembiakan Ternakan JPHPT Sebrang, Keningau, Sabah, Malaysia)
Abstrak: The aim of this study was to know the causes of mortality in Sabah Sahiwal Friesien (SSF) calves and its impact towards the population development of SSF cattle. The main causes and their percentages observed at the Stasiun Pembiakan Ternakan Jabatan Perkhidmatan Haiwan dan Perusahaan Ternak (JPHPT) in Sebrang Keningau, Sabah, Malaysia was hairball (21,71%), lethargy (17,43%), cachexia (13,16%), bloat (9,87%), diarrhea (9,21%), dehydration (8,22%) and pneumonia (7,90%). The most significant causes of mortality revealed a serious problem with hygiene in stationary enclosures and feeding management. Mortality of juveniles decreases the slope of the replacement line, and causes changes in the slope of the stock. Replacement stock is cattle that are grown on farm to replaced oldes, less productive cows, and bulls. With better calf management in regard to hygiene, surveillance, and control of milk off-take, overall calf survival may be increased and the station’s production made more profitable.
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Judul: Penampilan reproduksi sapi perah ras Sabah Sahiwal Friesian (SSF) (studi kasus di Stesen Pembiakan Ternakan Sebrang, Keningau Sabah Malaysia)
Abstrak: Studi kasus ini bertujuan untuk mempelajari manajemen pemeliharaan sapi perah ras Sabah Sahiwal Friesien (SSF), dan mengetahui berbagai masalah yang sering muncul dalam pemeliharaan sapi perah SSF, dampak yang ditimbulkan, serta upaya mencari solusinya. Metode penelitian yang dilakukan adalah dengan menggunakan studi deskritif melalui data primer (kuisioner) dan data sekunder yang diperoleh dari Stesen Pembiakan Ternakan Sebrang JPHPT Keningau, Sabah. Data populasi yang diperolehi pada tahun 2009, 2010 dan 2011 masing-masing sebesar 215, 240, dan 130 ekor sapi perah ras SSF. Data kelahiran bagi ketiga tahun tersebut masing-masing adalah 123, 106 dan 62 ekor anak sapi ras SSF dengan data kematian masing-masing sebanyak 62, 57, dan 109 ekor sapi perah SSF. Metode perkawinan untuk ras sapi SSF ini lebih banyak menggunakan sistem inseminasi buatan (IB) dibanding kawin alam. Masalah reproduksi tidak banyak ditemukan di stesen ini, namun diantara penyebab kematian tinggi pada stok replacement maupun induk produksi sapi perah SSF adalah masalah nutrisi dan manajemen kandang.
Keyword: Bogor Agricultural University, Institut Pertanian Bogor, IPB, Keningau Sabah, Reproduction performance, Sabah Sahiwal Friesian (SSF)

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