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Articles by Sherief M. Abdel-Raheem
Total Records ( 3 ) for Sherief M. Abdel-Raheem
  Abdel Dayem Zakaria , Aida El-Sayed Bayad , Sherief M. Abdel-Raheem , Khalid A. Al-Busadah and Ibrahim Albokhadaim
  The present investigation was conducted to examine the role of camel’s milk on semen characteristic in immobilization stressed rats. The rats were divided into four groups; control (untreated), camel’s milk treated, immobilization stressed and camel’s milk treated immobilization stressed group. Immobilization stress resulted in significant decrease in both body and reproductive organs weight, sperm count, alive sperm percentage, mass motility percentage, plasma testosterone level and antioxidative stress parameters, while, it caused significant increase in adrenal gland weight, sperm abnormalities percentage, plasma glucose, corticosterone and malondialdehyde levels. Administration of camel’s milk to rats exposed to immobilization stress significantly amended the estimated parameters although not all were similar to control levels. It could be concluded from the present study that camel’s milk administration before immobilization stress improves semen characteristics in rats.
  Sherief M. Abdel-Raheem , R. Leitgeb and C. Iben
  The objective of this study was to determine the effect of different levels of Distillers' Dried Grains with Solubles (DDGS) from wheat and corn on prececal Amino Acids (AA) digestibilities, growth performance and some slaughter characteristics of broilers. A total number of 240 one day-chicks (Ross 308) were randomly allotted to 3 treatments (80 birds/group), with four replicate pens per treatment and 20 birds per pen. Chicks were fed the experimental diets with DDGS at levels of 0, 6 and 12%. All chicks had free access to feed and water ad libitum during the 5-wk experiment. Average daily gain, feed intake and feed conversion efficiency were determined weekly for 35 days. The results indicated that, body weight decreased in broilers fed 12 % DDGS than the control group at the end of the experiment. No significant differences with respect to feed intake and feed conversion at the first (1-22 d) and second (22-35 d) growing periods. A significant reduction in the warm and cold carcass weight and the warm and cold dressing % at 12 % inclusion level of DDGS. Tryptophan digestibility was lower (p<0.05) with the addition of 12% levels of DDGS at d 21. At day 35 there is a significant decrease in the digestibility of total amino acids, some individual AA like threonine (9.1%) and arginine (6.38%) at 12% inclusion of DDGS in comparison with the control group. The results suggest that 12 % level of DDGS from wheat and corn reduce growth performance, carcass traits, some AA and DM digestibilities in broilers under present experimental conditions.
  Shimaa A. Mousa , Sherief M. Abdel-Raheem , Hassan A. Abdel-Raheem and Abdel Lattif S. Sadeek
  Background and Objective: The addition of different dietary sources of fat and/or oil have become an inherent practice in poultry production to improve fatty acid content of poultry meat, therefore evaluation of the effects of different dietary fat sources with two antioxidants on growth performance and carcass traits of Japanese quails was the major concern in this study. Methodology: A total of 189 one day old unsexed Japanese quail chicks were randomly distributed into 7 treatment groups each with 3 replicates of 9 chicks/replicate (n = 27). The dietary treatments consisted of the basal or control diet without supplementation and the basal diet supplemented with 3% of fish oil, sunflower oil and animal fat accompanied with either vitamin E and selenium mixture (5 g kg–1 diet) in T1, T2 and T3 or with L-carnitine (50 mg kg–1 diet) in T4, T5 and T6, respectively. Growth performance was evaluated weekly in terms of body weight, body weight gain, feed intake and feed conversion ratio for 42 day of age. At the end of the experiment, 4 birds from each group were randomly selected and sacrificed for determination of carcass traits, the relative weight of internal organs and meat and chemical composition. Results: Supplementation of fish oil followed by sunflower oil to quails diet significantly (p<0.05) improved the final body weight, cumulative weight gain, dressed carcass weights and dressing percentages. Conclusion: Fish oil supplementation regardless of antioxidants type was superior and more effective than sunflower oil and animal fat in improving growth performance, final body weight gain, feed conversion, carcass yield and meat chemical composition in growing Japanese quails.
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