Judul: Pengaruh Pemberian Ekstrak Tanaman Obat Terhadap Performan Dan Gambaran Histopatologi Hati Ayam Broiler
Abstrak: Herbal medicine are very famous now, as the substitute of chemical and sintetic drugs. The purpose of the study was to observe the effect of herbal extracts treatment on the chicken performance and the histophatology of liver. This study used 40 day old chick (DOC) and the treatment was given for four weeks. The weekly data of chicken body weight was analyzed using analysis of variance (ANOVA). Scoring system was used for analyzing the lesion of the liver. Results of this study indicated that the chicken body weight was significantly influenced by herbal extracts treatment (p<0.05) compared to negative control. Histopathologically, treatment with sambiloto extract showed the best result in the liver histopathology and treatment results while combination of the adas, temu ireng and sambiloto extract indicating the poor condition in the liver histophatology. Based on the study, it can be concluded that the temu ireng extract showed the best result for chicken performance and sambiloto extract showed the best result for liver histophatology.
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Judul: Pengaruh Pemberian Formula Ekstrak 4 Tanaman Obat (Temulawak, Sambiloto, Meniran, Temu Ireng) terhadap Gambaran Histopatologi Bursa Fabricius Ayam Broiler
Abstrak: The objective of this research is to elaborate the effects of four medicinal plants extract formulas on histopatological lesions of chicken bursa of Fabricius by examine the general lesions and measuring the area of plicae and the area of lymphoid follicles. Twenty five heads of day old chick’s were divided into five groups treatments, there were combination of (1) F1: Curcuma xanthorriza Roxb., Andrographis paniculata Nees., Phyllanthus niruri Linn. and Curcuma aeruginosa Roxb. extract; (2) F2: Curcuma xanthorriza Roxb., Phyllanthus niruri Linn., and Curcuma aeruginosa Roxb. extract; (3) F3: Curcuma xanthorriza Roxb. and Curcuma aeruginosa Roxb extract; (4) F4: Phyllanthus niruri Linn. and Andrographis paniculata Nees. extract; and (5) untreated as control. The chikens were treated for 4 weeks. Result showed that there were general lesions in all treatment groups. Mild formation of cysts and deplesion of follicles were detected. Total area of follicles was increased in F3 and F4 group compared to the control groups, while the F4 group was the highest (P<0.05) in total area of follicles compared to other treated groups. We concluded that all formulas of the medicinal plants were not make histopatological lesions to chicken bursa of fabricius and the F4 group is the best formulation to increased the total area of follicles.
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Judul: Metrik Einstein (Anti-) Self-Dual Berdimensi Empat dengan Metode Cartan
Abstrak: Gravitational field equation can be formulated in differential forms (differential geometry), which describes gravity as a manifestation of the curvature of space-time. Curvature of space-time is characterized by a metric that satisfies the gravitational field equation. With differential forms it can be formulated the (anti-) self-dual Einstein equation, which is a modification of the Cartan structure in (anti-) self-dual basis. Calculation of (anti-) self-dual metric with (anti-) self-dual Einstein equation is simpler than the calculation using Christoffel symbols.
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