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Articles by A. Ideris
Total Records ( 3 ) for A. Ideris
  M. Emadi , K. Kaveh , M.H. Bejo , A. Ideris , F. Jahanshiri , M. Ivan and R.A. Alimon
  An experiment was conducted to determine effects of dietary Arginine (ARG) on growth performance and blood serum parameters in broiler chickens. A corn-soybean meal based diet containing different levels of ARG (0, 0.67, 1.37, 2.07 and 2.77) for the starter (0, 0.53, 1.1, 1.68 and 2.25) for the grower and (0, 0.52, 1.04, 1.56 and 2.08) for the finisher was used. In a completely randomized design with five treatments of five replicates each and 10 chickens per replicate, 250 Cobb 500 male broiler chickens from 0-49 days of age were used. Growth performance (body weight gain, feed intake and feed: gain ratio) and blood serum (albumin, total protein, glucose, cholesterol, triglyceride, urea, uric acid, aspartate amino-transferase, alanine amino-transferase, alkalin phosphatase, lactic dehydrogenase and creatine kinase) parameters were measured at 27 and 49 days of age. Increase of dietary ARG increased (p<0.05) body weight gain, feed intake, albumin, creatine kinase, glucose, urea and uric acid and decreased (p>0.05) aspartate amino-transferase and cholesterol. It was concluded that dietary ARG might have positive effects on health status of the broiler chickens.
  M. Emadi , F. Jahanshiri , F. Azizi Jalalian , K. Kaveh , M.H. Bejo , A. Ideris , A.A. Assumaidaee and R.A. Alimon
  Infectious Bursal Disease (IBD) continues to pose potential threat to poultry industry all over the world. The disease can spell disaster not only through its infection but also by break of immunity in chickens vaccinated for other diseases. On the other hand, arginine (Arg), a ubiquitous, semi-essential amino acid has emerged as an imunostimulant from variety of human and animal studies. In the present study, we demonstrate the stimulatory effects of Arg on systemic immune response in chickens challenged by orally administration of intermediate plus strain of IBD virus at 28 days of age. A corn-soybean meal based diet containing different levels of Arg (0, 0.67, 1.37, 2.07 and 2.77) for the starter, (0, 0.53, 1.1, 1.68 and 2.25) for the grower and (0, 0.52, 1.04, 1.56 and 2.08) for the finisher was used. In a completely randomized design with five treatments of five replicates each and 10 chickens per replicate, 250 Cobb500 male broiler chickens from 0-49 days of age were used. To measure the innate, cellular and humoral immunity indicators (interferon-α, interferon-γ, immunoglobulin G) at 27, 35, 42 and 49 days of age, serum samples from each replicate of treatments were collected and subjected to ELISA. The result showed that Arg supplementation in the chickens basal diets significantly increased the serum levels of interferon-α, interferon-γ, immunoglobulin G at 35, 42 and 49 days of age (p<0.05). The different levels of Arg at 27 days of age did not significantly affect interferon-α, interferon-γ, whereas Arg at 27 days of age significantly increased immunoglobulin G (p<0.05). These results revealed that arginine stimulates systematic immune response against intermediate plus strain of IBDV.
  M. Nasratun , A.S. Hasrul , A. Sureena , M.A. Nurul Aini , A.R. Ruwaida , M.S. Shalyda , A. Ideris , A.S. Rozaimi , J.H. Sharifuddin and N.I.A. Ahamad Nordin
  This study is aiming to evaluate the performance of immobilized lipase on a chitosan support in transesterification reactions. Immobilized lipase improved the enzyme stability, allowing reusability, continuous operation and the possibility of better control of reactions. Chitosan offers several advantages as immobilization carrier such as versatility of available physical forms (flakes, porous beads, gel, fiber and membrane), low biodegradability and easy handling. In this study, porous bead of chitosan was used for immobilization of lipase from Candida rugosa. Lipase was immobilized by physical adsorption on chitosan beads. The ability of the immobilized lipase to catalyze transesterification of cooking oil was investigated. The important parameters like reaction time and oil to methanol molar ratios were studied to identify the performance comparison between free lipase and immobilized lipase on transesterification reaction. From the study it was found that maximum conversion of ester using immobilized lipase and free lipase were 73 and 77%, respectively. These results are obtained at optimum conditions of 1:4 molar ratios and reaction time of 48 h. As a conclusion, the chitosan beads were appear as a suitable support for immobilized lipase on transesterification reaction even though the ester conversion was lower than free lipase.
 
 
 
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