Judul: Gambaran Sel Darah Putih dan Indeks Stres Ayam Broiler yang Diberi sirup Temulawak Plus
Abstrak: Curcuma has xanthorrizol curcuminoids and volatile oils as its main contents that are beneficial as antioxidant, antiinflammatory, and antitumor. Twenty broiler chickens aged 21 days were divided into 4 groups of treatment, each group consisted of 5 chickens. Group I was the control group that was not given any curcuma extract, while group II, III, and IV were the group that was given curcuma syrup plus at the concentration of 1, 3, and 5 ppm syrup curcuma plus were given twice a day. Blood samplings were performed at week 1, 2, and 3. The blood was taken from venna axillaris to make blood smear. The blood smear were stained by using 10% Giemsa and to abserve leukocyte differentiation. The result showed that curcuma syrup effect the average value of leucocytes and lymphocytes amount, but there was a tendency of decrease in average amount of monocytes, eosinophils, and basophils in the third week. The curcuma syrup plus decreased index stress of chicken broiler
Keyword: index stress, lymphocytes, temulawak syrup plus, broiler chicken

Judul: Gambaran Sel Darah Putih dan Indeks Stres Ayam Broiler yang Diberi Jamu Bagas Waras (Jahe, Kunyit, dan Kencur) melalui Air Minum
Abstrak: Jamu bagas waras is combination of jahe, kunyit, and kencur. The research was conducted to study the influent of jamu bagas waras to white blood cells profile and stress index on broiler. Twenty broilers were assigned into a complete random design with 4 treatments and 5 replications. The treatments doses of jamu bagas waras were consist of 0 mL/L (as control), 0.1 mL/L (treatment 1), 1 mL/L (treatment 2), and 10 mL/L (treatment 3). The administration of jamu bagas waras was given orally through drinking water daily. Blood analysis was conducted by using haemocytometer and blood smear method. The results of this research showed that the total number of leukocytes and lymphocytes in broiler with jamu bagas waras administration for 28 days are higher than control group. The number of monocytes and heterophils in broiler with jamu bagas waras administration are lower than the control group. It was concluded that jamu bagas waras administration at a dose of 0.1 mL/L improved white blood cells profile and decreased stress index of broiler shown through the ratio reduction of heterophil/ lymphocyte.
Keyword: ratio heterophil/lymphocyte, white blood cell, jamu bagas waras, broiler, Bogor Agricultural University (IPB)

Judul: Approximation of the Median of Poisson Distribution Using the Relation of Poisson-Gamma Distribution
Abstrak: A major drawback of median is that median cannot usually be defined in closed form, even in the cases where their distribution functions are known. This study gives an approximation of the closed form for the median of the Poisson distribution by using the relation of Poisson-Gamma distribution. The approximation uses elementary techniques based on the monotonicity of certain sequences involving tail probabilities of the Poisson distribution and the Central Limit Theorem. Furthermore, a closed form expression for the mean absolute deviation 􀜧|􀜰􀰒 􀵆 􀜯􀝁􀝀􁈺􀜰􀰒􁈻| is also studied. The median is relevant because of the fact that it minimizes the mean absolute deviation of a Poisson random variable (􀜰􀰒􁈻 by considering median as central tendency.
Keyword: