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Articles by L. Abdullah
Total Records ( 6 ) for L. Abdullah
  R. Palupi , L. Abdullah , D.A. Astuti and Sumiati
  The aim of this research was to produce functional eggs that high antioxidant through substitution of soybean meal with Indigofera sp., top leaf meal in the laying hen diets. One hundred and sixty laying hens of Isa Brown strain, 30 weeks of age were kept into individual cages. Completely randomized design was used in this experiment, with 4 treatments and 4 replications. The treatment diets contained four kind combination of soybean meal (SBM) and Indigoferasp., top leaf meal (ITLM): T0 = diet contained 20% SBM and 0% ITLM; T1 = diet contained 17% SBM and 5.2% ITLM; T2 = diet contained 14% SBM and 10.4 ITLM; T3 = diet contained 11% SBM and 15.6 ITLM. The parameters observed were feed consumptions, egg production, egg quality and antioxidant activity. The results showed that substitution of soybean meal with Indigofera sp., top leaf meal not significantly (p>0.01) affected to feed consumptions, but significantly (p < 0.05) increased eggs production (83.63 to 92.65%), high significantly (p < 0.01) increased yolk colour, beta-carotene as well as vitamin A and decreased cholesterol content of the yolk. It was concluded that Indigofera sp., leaf meal could be used until 15.6% or substitute 45% soybean meal protein in the laying hen diets.
  L. Abdullah , I. Taib and R. Salleh
  This study aims to propose an analytical approach to rank risk levels of cancer. Analytic Hierarchy Process (AHP) model which incorporates five risk factors is constructed to rank five cancer types. A case study of perceptions of cancer risk levels is presented and the proposed model is applied to facilitate the decision process. A twenty five items questionnaire is employed to collect data from public at a residential area in Malaysia. The results show that lung cancer is ranked as the highest risk and prostate cancer is ranked as the lowest risk among the five cancer types. The overall ranking reflects the extent of awareness of cancer types and their risk factors among Malaysian public.
  A. Tarigan , S.P. Ginting , Arief II , D.A. Astuti and L. Abdullah
  Background and Objective: Indigofera zollingeriana leguminous have been known widely to have a concentrate feed characteristic due to its high nutrient contents (crude protein, vitamin and some mineral) and its highly dry matter (DM) digestibility. This study aimed to identify the effects body weight gain, nutrients degradability, fermentation rumen characteristics and blood metabolite of Boerka goat supplemented green concentrate pellets (GCP)based on Indigofera zollingeriana. Materials and Methods: Twenty four male Boer x Kacang crossbreeds with age of approximately male phase to 6 months and average initial body weight (BW) 13±0.5 kg were used in feeding and degestion trials. The study was assigned according to randomized block design with four dietary treatments and six goats were allocated to one of four treatments in randomised block design. The animals feed was offered chopped fresh Brachiaria humidicola (ad libitum) and feed treatments were offered daily at 4.0% body weight (BW). Results: The digestibility increased in line with the increasing proportion of I. zollingeriana in the green concentrate pellets (GCP). The tannin content of GCP seemed to not significantly impacted on feed intake. The daily body weight gain and efficiency of feed utilization increased as the proportion of I. zollingeriana GCP increased. Increasing of the proportion C. calotyhrsus in GCP affected the concentration of ammonia (NH3) and VFA of the rumen liquids of goat. Conclusion: Green concentrate pellets composing 90% I. zollingeriana gave the best results in term of daily body weight gain, feed intake, nutrient degradability, efficiency of feed utilization, rumen fermentation in Boerka goats.
  R. Sriagtula , P.D.M.H. Karti , L. Abdullah , Supriyanto and D.A. Astuti
  Brown midrib sorghum (BMR) is a potential crop as forage because of lower lignin content than that of non-BMR sorghum. The aim of this research was to observe the growth and production of brown midrib sorghum mutant lines at different harvest times. This research was conducted at SEAMEO BIOTROP, Bogor, Indonesia using factorial in completely randomized block design (7 x 3) with three replicates. The first factor was the BMR sorghum mutant lines of Patir 3.1 (non-BMR/control), Patir 3.2, Patir 3.3, Patir 3.4, Patir 3.5, Patir 3.6 and Patir 3.7, the second factor was the harvest times (flowering, soft and hard dough phases). Measurement on agronomic parameters were fresh and dry matter biomass production, plant height, stem diameter, leaf width length and ratio of leaves, stems and panicles. While nutrient parameters were crude protein, crude fiber, ash dan crude fat production. Analysis of variance followed by Duncan Multiple Range Test (DMRT) was done. The results showed that the BMR of P 3.7 and P 3.2 produced the highest fresh and dry matter production among the BMRs, but their dry matter production were lower than P 3.1 (control). Harvesting at hard dough phase produce the highest fresh and dry matter production and as well as produced the highest crude protein, ash and crude fat production (p<0.01).
  I. Martaguri , P.D.M.H. Karti , K.G. Wiryawan , R. Dianita and L. Abdullah
  Background: Beside as a source of energy for ruminants, grasses have been identified having a capacity as carbon storage. Axonopus compressus is a grass species that mostly found under shade condition of palm plantations and are easily adaptable with the ecosystem. As a part of the ecosystem, the grass would always carry on photosynthesis even under shade condition as encountered by Axonopus compressus. Thus, it might play an important role in storing carbon. Methodology: Therefore, in this study the capability of this grass in storing carbon were investigated including carbon storage dynamics, nitrogen content, C/N ratio and biomass production. In advanced, carbon and nitrogent content of soil were also studied. A completely randomized design was utilized as experimental design with different grass age of 10, 20, 30, 40, 50 and 60 days as the treatments. Results: Results indicated that grass age influenced significantly all parameters except carbon and nitrogen content as well as the C/N ratio of soil. Furthermore, it was also revealed that there is a dynamic of carbon storage in leaf, stemp and root of the grass. Conclusion: The capacity of the grass in storing carbon increased with increasing plant age.
  Malcky Telleng , K.G. Wiryawan , P.D.M.H. Karti , I.G. Permana and L. Abdullah
  Background: Intercropping involves growing two or more crops on the same piece of land to produce rations for livestock, particularly ruminants. In this study, the silage quality of in situ rations produced from Sorghum intercropped with Indigofera was evaluated to determine which Sorghum variety produced the best silage. Methodology: The pH, Neutral Detergent Fiber (NDF), Acid Detergent Fiber (ADF), ammonia-N (N-NH3), Volatile Fatty Acids (VFA) and total bacteria in silage for use in situ rations were verified. Experiments were conducted using a Completely Randomized Design (CRD) with three replications of three factors: (1) Sorghum variety (Patir-37 and Citayam-33), (2) Indigofera composition (30, 40 and 50% Indigofera ) and (3) Microbial inoculant (Lactobacillus plantarum, Lactobacillus casei and non-microbial inoculant). Data were analyzed using analysis of variance and HSD test. Results: For all rations tested, the pH and N-NH3 values indicated good ensilage. Rations that included the Sorghum variety Citayam-33 had lower pH and N-NH3 production relative to those with Patir-37. In whole crop silages, the inoculants did not significantly affect fermentation. Meanwhile, rations with higher amounts of Indigofera (up to 50%) had lower NDF and ADF. Conclusion: Together the results show that in situ rations made from intercropped Sorghum and Indigofera ensilage well and different compositions can be obtained directly from intercropped fields to produce rations that improve ruminant performance.
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