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Articles by M.A. Sayed
Total Records ( 2 ) for M.A. Sayed
  M.A. Sayed , M.R. Gofur , A. Khair and M.A. Awal
  Arsenic is one of the most sensitive environmental issues in Bangladesh; even it is a major health concern in Asia. Spirulina and vitamin E have been considered as a potential therapeutic supplement due to its ability to minimize several element induced toxicities in various species including man. The study was performed to evaluate the role of spirulina (Spirulina platensis) and vitamin E in prevention of arsenic toxicity in different groups (T0-4, n = 60) of Long-Evans rats. T0 was control group, T1 was treated with sodium arsenite, T2 was treated with sodium arsenite plus spirulina, T3 was treated with sodium arsenite plus vitamin E and T4 was treated with sodium arsenite plus vitamin E plus spirulina daily for 63 days. Sodium arsenite was at 4 mg kg–1 b.wt., spirulina was at 1 g kg–1 feed and vitamin E was at 200 mg kg–1 feed. Samples were collected on day 21, 42 and 63. Arsenic was detected from tissue samples by Hydride Generation Atomic Absorption Spectrophotometer (HGAAS). Sodium arsenite feeding in rats caused chronic arsenic toxicity and the arsenic content in tissues (blood, lung, liver and kidney) of the exposed rats were significantly higher than control rats. Spirulina and vitamin E treatments significantly lowered the arsenic content in tissues. Arsenic caused hepatic and renal dysfunction but spirulina and vitamin E improved the hepatic and renal functions. Spirulina feeding was more effective than vitamin E and their combined treatment was more effective compare to their single treatment. The study demonstrates the role of spirulina and vitamin E in the reduction of toxicity of arsenic.
  M.N. Ali , Kout El-Kloub M.El. Moustafa , M. Shabaan , A.M. Radwan and M.A. Sayed
  Three hundred one day-old of unsexed Cobb broiler chicks were used in present study to examine the ability of Cuminum cyminum L (CC), Citric Acid (CA) or Sodium Sulphate (SS) either alone or in combination to increase nitrogen retention and utilization of the Low Protein Low Energy Diet (LPLE), containing 4% lower protein and 200 kcal/kg lower energy than control diets. At 42 days of age, LPLE diets decreased weight gain and degrade feed conversion by 23.24% and 19.47%, respectively compared to control diet. Besides, LPLE diet decreased daily nitrogen excretion by 25.92% compared to control diet. Supplementing LPLE diet with CC, CA and SS together improved weight gain, feed conversion and nitrogen retention percentage by 7.21, 6.16 and 16.69%, respectively. Compared to control diet, the combination of such feed additives succeeded in reducing daily nitrogen excretion by 64.81%. It can be conclude that the three additives used in present study work in synergy under low protein and low energy conditions. Further studies are needed to determine the optimum level of these additives mixture with different levels of protein and energy.
 
 
 
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