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Articles by Liman
Total Records ( 3 ) for Liman
  Muhtarudin , Winda Puspita Sari , Desi Savitri , Farida Fathul , Erwanto , Liman , Agung Kusuma Wijaya , Akhmad Dakhlan and Kusuma Adhianto
  Background and Objective: There are several varieties of grass that have resistance to shade and the quality is not disturbed by the shade. Grass that is resistant to shade will have high production and quality even though it grows in shaded areas. This research investigated the effect of grass variety and shade under palm oil plantation on fresh and dry matter production, stems and leaves proportion and nutrition content of grass. Materials and Methods: Split plot with completely randomized design was used in this study. Main plot factor was land condition of land without shade (N0) and land shaded under palm oil plantation (N1) and subplot factor was variety of grass consisted of Pennisetum purpureum (A1), Setaria sphacelata (A2) and Pennisetum purpureum cv. Mott (A3). Duncan multiple range test was performed to investigate the effect of the factors. Results: Results showed that there was interaction (p<0.01) between grass variety and land condition on proportion of stems and leaves of grass with the highest fresh and dry matter production was Pennisetum purpureum on land without shade. Under shade of oil palm plantation, Pennisetum purpureum produced the highest proportion of stems, while Pennisetum purpureum cv. Mott produced the highest proportion of leaves. Shading treatment not significant (p>0.05) on crude protein content, but it affected (p<0.05) on crude fiber content. Furthermore, different variety of grass had no effect (p>0.05) on crude protein content, although this factor affected (p<0.05) on crude fiber content. Pennisetum purpureum cv. Mott in palm oil shade produced high crude protein (13.79%) with low crude fiber (24.63%). Conclusion: These results suggested that Pennisetum purpureum cv. Mott could be planted in shaded land.
  Muhtarudin , Yusuf Widodo , Liman and Kusuma Adhianto
  The aims of this research were to evaluate the effects of feed supplementation with organic minerals (Zn, Cu, Se and Cr organic/micro-organic) on nutrient digestibility and ruminant performance. The research used four cattle breeds and a Latin square design. Four treatments and four replications were applied: R0 = basal feed; R1 = R0 + micro-organic minerals: 20 ppm Zn, 5 ppm Cu, 0.05 ppm Se and 0.15 ppm Cr-organic; R2 = R0 + micro-organic minerals: 40 ppm Zn, 10 ppm Cu, 0.10 ppm Se and 0.30 ppm Cr-organic and R3 = R0 + micro-organic minerals: 60 ppm Zn, 15 ppm Cu, 0.15 ppm Se and 0.45 ppm Cr-organic. The treatments had no significant effect on the rumen parameter values of NH3 or volatile fatty acids (VFAs) which were 4-12 mM and 70-150 mM, respectively, consistent with recommended values. Similarly, the treatments had no significant effects on nutrient digestibility (organic matter, dry matter, protein and crude fiber). Among the treatments, R2 yielded the highest digestibility for all nutrient types. The rates of gain were 0.68 kg/head/day for the basal treatment and 0.78, 0.8 and 1.2 kg/head/day for the organic mineral treatments. The values of feed efficiency increased with increasing organic mineral levels and were 0.22, 0.23, 0.25 and 0.30 for R0, R1, R2 and R3, respectively.
  Muhtarudin , Liman , Indra Cahya Ardi Permana , Ines Pangestika , Gusti Aji Wijianto , Eli Susanti and Kusuma Adhianto
  Background and Objectives: Palm oil waste can be used as an alternative feed for ruminants. Optimizing the utilization of palm oil waste for ruminant feed can be accomplished through feed processing, such as fermentation. The objectives of this research were to determine the best effect of a fermented palm by-product-based ration on rumen parameters [ammonia (NH3) and volatile fatty acids (VFAs)] and feed digestibility [total digestible nutrients (TDN)] and digestibility of dry matter, organic matter, protein and crude fibre, in Ongole cattle. Methodology: This study utilized a random block design and was based on weight gain. The design included 3 treatments and 3 replicates; thus, nine cattle were included. The treatments tested in this research were a control ration (R0; rice straw, cassava waste, coconut meal, rice bran, molasses, urea and premix), non-fermented palm oil by-product-based ration (R1; cassava waste, rice bran, molasses, urea and premix+palm leaves and palm kernel meal) and fermented palm oil by-product-based ration (R2; cassava waste, rice bran, molasses, urea and premix+palm leaves and palm kernel meal). Results: Rumen liquid VFA and NH3 concentrations were highest at 110 and 6.74 mM, respectively, after treatment with non-fermented palm oil waste. Feed digestibility parameters (TDN and digestibility of dry material and organic material) were highest after treatment with fermented palm oil waste, with values of 82.94, 69.75 and 75.69%, respectively. The highest digestibility of protein was obtained with the control ration. Conclusion: Palm oil waste-based rations significantly increased rumen liquid NH3, rumen liquid VFA, the digestibility of dry and organic material and TDN. The R2 treatment had the best effect on TDN and the digestibility of dry matter, organic matter and crude protein.
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