Judul: Profil leukosit pada ayam broiler yang diberi ekstrak tanaman obat
Abstrak: The objective of this experiment was to study the effects of extract administration of temulawak (Curcuma xanthorriza Roxb.), temu ireng (Curcuma aeruginosa Roxb.), sambiloto (Andrographis paniculata Nees.), and meniran (Phyllanthus niruri Linn) on leukocytes profile in broiler. Twenty five day old chick’s were used in this experiment. The animal were divided into five groups, there were combination of (F1) temulawak, temu ireng, sambiloto, and meniran extracts; (F2) temulawak, temu ireng and meniran extracts; (F3) temulawak and temu ireng extracts; (F4) sambiloto and meniran extracts; and (F5) untreated as control. The extracts were gave for 28 days through the oral route. The chickens were taken randomly 3 heads of each groups on the last day of treatment for blood sampling. Blood samples were taken from brachialis veins to determine the leukocyte profiles. Results of this study showed that percentage of lymphocytes increased in the group F2, F3, and F4, with a marked increased in the group F4. The percentage of monocytes increased in all treatment groups compared to the control group. The precentage of heterophils and eosinophils increased in the F1 group compared to the control group, while percentage of basophils increased in the F2 group compared to the control group. In conclusion, extracts of temulawak and temu ireng administration were the best combination to increase immune system.
Keyword: broiler chicken, leukocyte, medicinal plants.

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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