Judul: Kajian Proteksi Formula Empat Tanaman Obat Terhadap Ketahanan Hidup Ayam Broiler Yang Diuji Tantang Dengan Virus Avian Influenza
Abstrak: The objective of this research was to study the protection of combination between temulawak (Curcuma xanthorrhiza), meniran (Phyllanthus niruri L), sambiloto (Andrographis paniculata), and temuireng (Curcuma aeruginosa) on mortality of Avian Influenza (AI) infected-broiler (challenge test). Sixty broilers were randomly divided into six treatment groups (F1, received combination of temulawak, meniran, sambiloto and temuireng; F2, received temulawak, meniran and temuireng; F3, received temulawak and temuireng; F4, received meniran and sambiloto; negative control was specific pathogen free/SPF (chicken without vaccination and herbal extract), and positive control group that received only AI vaccine. Challenged test was done at Biosafety Level 3 facility. The challenge AI virus used was H5N1 Nagrak strain 0,1 ml 105 EID50. The length of the challenge was 10 days. The result showed that F3 and F1 groups give 10% protection within one broiler live at the last days of test. The result mention above concluded that this two combination could be developed as an anti AI virus substance and further study is needed.
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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: Ongkos irregularitas sebuah graf
Abstrak: Tulisan ini mengkaji bagaimana cara mcngubah sualu graf menjadi graf yang irregular, yaitu dengan menambahkan beberapa edge pacta graf asal. Untuk sebuah graf G, didefinisikan ongkos irregularitas ic(G) yaitu jumlah minimum tambahan edge sedemikian sehingga menjadi Multigraf H yang merupakan multigraf G irregular. Akan ditentukan ongkos irregularitas dari graf regular, graf mendekati regular, dan graf mendekati irregular.
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