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Articles by Mohamed E. Elnageeb
Total Records ( 2 ) for Mohamed E. Elnageeb
  Abdalla M. Abdelatif , Mariam Y. Ibrahim and Mohamed E. Elnageeb
  The type of dietary fat and thermal environment may influence the metabolic profile and insulin sensitivity in normal and diabetic conditions. The objective of this study was to evaluate the effects of supplementation with anhydrous milk fat, ghee (FS) and season (summer vs winter) on blood metabolites and Body Weight (BW) in alloxan-diabetic and non-diabetic rabbits. In each season, twenty rabbits were assigned to 4 groups of 5 animals each. Two groups were rendered diabetic using alloxan monohydrate injection. Two groups, a normal and a diabetic received orally 2.5 g kg-1 b.wt. of ghee daily for 8 weeks. Blood samples collected weekly were used for determination of insulin and blood metabolite concentrations. During summer, insulin (INS) level for the diabetic and non-diabetic-fat supplemented (FS) rabbits was higher than the non-diabetic rabbits fed Lucerne. Diabetic FS rabbits had slightly higher INS level than diabetic group fed Lucerne. Glucose (GL) level was significantly higher in diabetic groups and GL level of FS diabetic rabbits was significantly higher than respective values of diabetic group fed Lucerne only. GL level of diabetic groups was significantly higher in summer. In both seasons, serum total lipids (TL) was significantly higher in diabetic than non-diabetic groups. TL was significantly higher in FS diabetic group in summer. FS increased triglyceride (TG) levels in diabetic and non-diabetic animals, TG level was significantly lower in winter in non-diabetic groups of rabbits. In both seasons, the FS diabetic significantly higher serum cholesterol (CHOL) level than the diabetic control and non-diabetic groups of rabbits. The CHO L evel in FS non-diabetic rabbits was significantly higher during winter. In both seasons, serum urea (UR) level was significantly higher in diabetic groups. Diabetic groups showed significantly higher UR during winter compared to summer values. Creatinine (CR) level of FS nondiabetic group was higher during summer. During summer, diabetic groups showed significantly lower mean BW than non-diabetic groups, while with FS, non-diabetic group showed significantly greater mean BW than the other groups. Diabetic FS group had significantly lower mean BW during winter. The findings have implications in pathophysiology and nutritional management of DM.
  Mohamed E. Elnageeb and Abdalla M. Abdelatif
  The maternal nutrition is a major intrinsic factor that influences intrauterine fetal growth and organogenesis. Manipulation of maternal nutrition is particularly critical during pregnancy and lactation. Therefore, evaluation the effects of maternal nutrition on growth performance and physiological responses of newborn lambs provided useful data for sheep industry. Twenty sexually mature estrus synchronized grazing ewes were assigned randomly to two equal groups, control and supplemented. The supplemented group additionally received daily 500 g/head of concentrate mixture + minerals and vitamins saltlick. The control group was maintained on grazing only. Body Weight (BW), rectal temperature (Tr) and Respiration Rate (RR) were monitored and blood samples were collected from lambs born to each group of ewes within 12 h after birth and then every 3 days for two weeks and then weekly up to weaning age of three months. At birth, BW, Tr and RR were significantly higher in lambs born to supplemented ewes. In both groups of lambs, BW, Tr and RR were significantly higher at birth compared to the values measured during the 3 months of postnatal life. The mean BW increased significantly with the advance of age while Tr and RR decreased progressively. Both groups of lambs showed a significant decrease in PCV, Hb concentration and plasma glucose level with the advance of age. The levels of serum total protein, albumin and urea decreased significantly during the first month of postnatal life in both groups and then these parameters showed gradual increase up to 3 month of age. The overall responses to concentrate supplementation of ewes was reflected on significantly higher values of parameters measured for the lambs born to supplemented ewes compared to lambs born to control groups. The findings indicate that the performance of lams can be potentiated through maternal dietary supplementation.
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