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Articles by A.M. Homeida
Total Records ( 4 ) for A.M. Homeida
  M.H. Al-Nazawi and A.M. Homeida
  The pharmacokinetics of salinomycin following oral administration of 0.1 μg kg-1 body weight was studied in camels. Peak plasma concentration occurred at 40 min and decline after 2 h to fall below the limit of assay detection at 16 h post-dosing, with terminal half-life of 150 min. Animals given salinomycin at doses of 0.4-0.8 μg kg-1 orally developed neurological signs with some serobiochemical alterations. It is concluded that camels may be one of the most sensitive species to salinomycin toxicity.
  A.M. Homeida , M.M. Al-Eknah , T.A. Althnaian , A.K. Al-Haider , I.F. Al-bokhadaim and A.I. Al-Mubarak
  Sections of camel uterus stained with immunoperoxidase for demonstration of estrogen and progesterone receptors showed that receptors for the two hormones were confined to epithelial nuclei. Staining intensity was stronger for progesterone receptors during estrus and pregnancy but weaker for estrogen receptors during pregnancy. In ovariectomized camels intramuscular administration of estradiol benzoate at a dose of 5 mg animal-1 increased uterine progesterone and estrogen receptor concentrations. Administration of progesterone at a dose of 100 mg per animal decreased steroid receptor concentrations. It is suggested that in the camel, uterine steroid receptors are up-regulated by estradiol and down-regulated by progesterone.
  O.M. Elemam , S.A. Omer , I.F. Albokhadaim and A.M. Homeida
  The study was conducted to determine withdrawal periods of intramammary preparations Curaclax (ampicillin+ceplulosporin), oxymast (oxytetracycline) and spectrazol (cefruxine) in camel and cow milk. Withdrawal periods in milk were 4 days in cows versus 5 days in camels for curaxlox and 4 days in cows versus 6 days in camel for oxmast and spectrazol. The significant (p<0.05) difference in withdrawal periods between camel and cow emphasizes the need to establish specific withdrawal periods for other drugs in the camel.
  M.A. Alfattah , A.I. Al-Mubarak , T.A. Althnaian , I.F. Albokhadaim , A.K. Al-Haide and A.M. Homeida
  It is now established practice to upgrade the protein content of low quality roughage by urea treatment. Administration of urea may result in some adverse effects. This study was carried out to investigate the effects of feeding urea-treated wheat straw diet on the hormonal and metabolic environment of ovarian follicles. Feeding of urea-treated wheat straw to camels resulted in significantly increased concentration of serum and follicular fluid urea compared to their counterparts that fed straw only. The increased urea in follicular fluid was accompanied by decreased concentration of estradiol 17 β and progesterone and increased activity of lactic dehydrogenase in the fluid. This suggested that feeding of high urea diets may affect follicular fluid composition and development of oocyte.
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