Judul: IPB (Bogor Agricultural University)
Abstrak: Special appreciation is given to Prof. Dr. Djokowoerjo Sastradiprad ja, Prof. Dr. Ir. Andi Hakim Nasoetion and Prof, Dr. R. Soenarjo Sastrohndinoto for their advice and ,midance in the completion of this work. Sincere acknowledgement is extended to Dr. J.G. Kreeftenberg for supplying the horse anti-bovine lymphocyte serum and the permission to utilize fecilities and resources of the National Institute of Public Health in Bilthoven, the Netherlands. His advice and suggestions concerning anti-lymphocyte serum has been indispensable.
Keyword: 

Judul: IPB (Bogor Agricultural University)
Abstrak: The influence man has exerted over domestic animals is to make them better serve his wants. On the other hand animals differ widely in their ability to thrive and to perform efficiently under a given set of conditions. This difference in adaptability can be traced back to their origin, where they were developed. Geographic location together with its climatic conditions had selected animals which wore adapted to those environments. After domestication natural selection was followed by artificial selection employed by man to develop individuals with most desirable features. More progress has boon attained in countries with temperate climate, consequently most highly specialized livestock are to be found in those regions. Very slow progress is observed in tropical countries with regerous conditions. Since the performance of livestock in the tropics is relatively low, man is apt to import animals with high producing ability from the temperate zones. This is particularly true of dairy cattle, but it holds also for other producers of animal protein (beef cattle, swine or poultry). In general the adaptability to the now environmental condition: which are markedly different from those in the native home of the imported animals, was not seriously taken into consideration. This point had been frequently overlooked in attempts to improve the quality or productivity of stock in a given arca. As a result much time, effort, and money have been expended, quite often with disappointing results.
Keyword: Animal husbandry, Veterinary, Breeding cattle

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