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Articles by K. Kaveh
Total Records ( 4 ) for K. Kaveh
  S. Navid , A. Sheikhlar and K. Kaveh
  The study was conducted to improve meat quality of spent layer hens through supplementing the old layer hens feed with vitamin D3 in combination with papaya leaf meal applied 3 weeks prior to slaughter. Eighty spent chickens were served in this study after a period of laying for 80 weeks. Diets were a corn-soybean, meal based diet for finisher layer with and without vitamin D3 which was supplemented with different levels of 0, 0.5, 1 and 2% for papaya leaf meal. Experiment lasted for 21 days. At day 0, 7, 14 and 21, the birds were scarified; breast muscle was obtained for meat and skin color, shear force, drip loss, cooking loss, crude protein, fat and calcium. Most of parameters showed significant improvement when diet supplemented with papaya leaf meal and vitamin D3. It can be concluded that for some characteristics related to meat quality, combination of papaya leaf meal and vitamin D3 has synergistic effect.
  S. Navid , A. Sheikhlar and K. Kaveh
  Eighty spent chickens were employed in this experiment to assay the effect of combination of vitamin D3 and papaya leaf on antioxidant activity of meat in spent layer hens. Diets were a corn-soybean meal based diet for finisher layer with and without vitamin D3 which was supplemented with different levels of 0, 0.5, 1 and 2% for papaya leaf meal. Experiment lasted for 21 days. At day 0, 7, 14 and 21, the birds were scarified and breast muscle was obtained to determine antioxidant activity. Antioxidant activity was measured using 1,1-Diphenyl-2-Picrylhydrazyl (DPPH). Result obtained from this study demonstrated that antioxidant activity of meat showed remarkable improvement between dietary treatments fed mix of vitamin D3 and papaya leaf and control group. In conclusion, vitamin D3 and papaya leaf when combined indicated an improvement in antioxidant activity of the spent meat.
  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.
 
 
 
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