Judul: Microbe Isolation of Kaligesing Goat Rumen and It’s Inoculation effect to Goat Rumen on digestibility of Calliandra (Calliandra calothyrsus)
Abstrak: Research on the Isolation of tannin-digesting bacteria from the Kaligesing goat rumen and test its ability to digest tannin has been done. Isolates were obtained and then inoculated in the rumen systems goat who never consume calliandra. The study was conducted from February 1997 until September 1998. The study was conducted in four stages of research. First study, evaluating the potential of microbes in the rumen fluid of Kaligesing goats on digestibility of calliandra in vitro. A second study, bacteria isolated from Kaligesing goat rumen. A third study, evaluating the isolates in digesting tannin. The fourth study, inoculation of isolates into the rumen systems goat who never consume calliandra on digestibility calliandra in vitro. The first research results indicate that the microbes in the Kaligesing rumen goat capable of significantly better microbes digest calliandra of rumen fluid from calliandra adapted goats and goats who do not eat calliandra. The result of the second study yielded four isolates notated IK1, IK2, IK3, and IK4. The IK1 isolate die during the storage process. The third study results showed that all three isolates are able to digest condensed tannins in defined culture media. The fourth study showed that inoculation of goat rumen isolates in the system who never consume caliandra not meet expectations can enhance significantly on digestibility caliandra in vitro.
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Judul: Uji bakteri toleran tanin dan pengaruh inokulasinya pada ternak kambing berpakan kaliandra (Calliandra calothyrsus)
Abstrak: Mengoptimalkan pemanfaatan kaliandra sebagai sumber pakan terus dlupayakan. Salah satu penelitian yang telah dilakukan adalah memanipulasi proses pencernaan oleh mikroba rumen. Isolasi bakteri toleran tanin (BTT) telah dilakukan sebelumnya (Sewet, 1997) dan menghasilkan tiga isolat bakteri yakni isolat 3 (BI), isolat 4 (B4) dan isolat 5 (B3). Ketiga isolat tersebut diduga mampu meningkatkan nilai guna pakan kaliandra yang mengandung tanin tinggi bila diinokulasikan ke dalam sistem rumen ternak ruminansia. Pengujian ketiga isolat tersebut dilakukan dengan tujuan untuk lnenguji kemampuan BTT menurunkan reaktivitas tanin dan mengamati kemampunanya dalam menunjang pemanfaatan kaliandra sebagai pakan ternak rurninansia. Penelitian dilakukan di Balai Penelitian Ternak Ciawi dan di Fakultas Peternakan Institut Pertanian Bogor dalam tiga rangkaian percobaan.
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Judul: Peluang Partikel Plasma Berada Pada Dimensi Debye Akibat Gangguan Gelombang Elektromagnetik dengan Menggunakan Persamaan Schrödinger
Abstrak: The solution of Schrodinger equations with plasma Coulomb potential in spherical coordinat results solution wave function and energy plasma particle. Electron probability density at Debye length with thermal effect same as ion, which indicates plasma in neutral state. Electromagnetic waves perturbation of an electric field given to result wave function perturbation system. The probability density of plasma particle due to electromagnetic waves perturbation is the largest when an electromagnetic waves frequency 1.41 times the plasma frequency .
Keyword: Schrödinger, plasma, electromagnetic wave