Judul: Analisis biaya akibat penyusutan bobot badan sapi Brahman cross dari Semarang Ke DKI Jalarta
Abstrak: Penelitian ini bertujuan (a) Untuk mengetahui struktur dan besarnya biaya transportasi dalam penyaluran sapi potong dari produsen ke konsumen, (b) Untuk mengetahui besarnya persentase biaya penyusutan bobot badan sapi potong terhadap biaya total transportasi dari Semarang ke DKI Jakarta, dan (c) Untuk mengetahui pengaruh perlakuan pada ternak sapi potong saat proses transportasi terhadap penyusutan bobot badan, bobot karkas serta persentase karkas. Data yang diperoleh dalam penelitian ini terdiri dari dua jenis data yaitu data primer dan data sekunder. Data primer diperoleh dari hasil pengamatan dan inventarisasi langsung serta wawancara. Responden yang diambil terdiri dari 1 manager kandang, 3 supir truk, 3 pembantu supir, 2 pengawal ternak, dan 1 pengurus sapi potong.
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Judul: Produksi Karkas Sapi Bali dan Brahman Cross di Rumah Potong Hewan (RPH) Jatimulya Bekasi Jawa Barat
Abstrak: Sapi potong merupakan penyedia kebutuhan daging dan protein hewani yang menduduki peringkat tertinggi dalam produksi dan konsumsi daging di Indonesia. Produksi karkas sapi yang tinggi mampu memenuhi permintaan kebutuhan daging. Penelitian ini dilakukan di Rumah Potong Hewan Jatimulya Bekasi Jawa Barat dan menggunakan masing-masing 10 ekor bangsa sapi Bali dengan bobot potong kisaran 400-470 kg dan sapi Brahman Cross kisaran 440-550 kg. Data dianalisis dengan menggunakan Rancangan Acak Lengkap dengan bobot karkas, setengah karkas, dan seperempat karkas sebagai peubah yang diamati, serta bobot potong sebagai peubah pengiring. Hasil menunjukkan bobot potong sapi Bali lebih rendah dibandingkan sapi Brahman Croos, namun memiliki persentase karkas yang lebih tinggi.
Keyword: bali cattle, brahman cross, carcass, production

Judul: Hybrid solar cells of ZnO nanoparticles/chlorophyll was modified metal ions (Zn2+ and Cu2+ )
Abstrak: Zinc Oxide (ZnO) is a n-type semiconductor with a wide the energy band (Band Gap) is 3.37 eV at room temperature and 3.34 eV at low temperature with a large exiton binding energy is 60 meV. ZnO has been synthesized by hydrothermal method, resulting in a decrease in particle size over the duration of the hydrothermal changes. Crystallographic structure of ZnO were characterized using XRD, has shown the characteristic pattern of a hexagonal wurtzite structure, the crystallite size increases to changes in particle size. Changes in particle size has also led to a change in the absorption peak of ZnO as has been demonstrated posted under test using the optical properties of UV-Vis spectrophotometer. Changes of this uptake has also led to changes in the energy band gap, which increases its band gap energy of the particle size. In electronic applications, especially in solar cells. Chlorophyll is considered less effective, because of their very nature are easily degraded as a result of several reactions which are acid, lighting and temperature. The results of the stability test using a halogen lamp 34 W/m2 for 5 hours, that the substitution of chlorophyll with metal ions Zn2+ and Cu2+ has been shown to form more stable than natural chlorophyll. The characterization of the optical properties, the combination of ZnO / chlorophyll in the form of hybrid films has led to a shift in the absorption region of ZnO becomes more widely from the UV to Visible. ZnO/chlorophyll has absorption range of 350-515 nm, ZnO / Zn-feofitin 332-401 nm and 332-632 nm for Cu-feofitin. The combination of ZnO/chlorophyll and CuSCN as a solid electrolite in hybrid solar cell, a modified chlorophyll with metal ions Zn2+ and Cu2+ has been shown to form a more stable I-V curve. It is characterized by its fill factor value greater than natural chlorophyll. Nevertheless, solar cells with natural chlorophyll has been able to produce higher efficiency values of chlorophyll were substituted.
Keyword: Hydrothermal, ZnO/Chlorophyll modified, Hybrid Solar Cell