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Articles by R.S. Aljumaah
Total Records ( 5 ) for R.S. Aljumaah
  M.M. Abdelrahman and R.S. Aljumaah
  Parturition and early lactation are considered as the most critical and stressful periods of dams life cycle because of high nutritional requirements for colostrums and milk production. This study aimed to evaluate the influence of physiological status on the blood metabolic profiles, colostrum, milk compositions and thyroid hormonal status of lactating ewes and their newborn in two sheep breeds (Naemi and Najdi) managed under an intensive system. Ten healthy ewes from each breed were selected at parturition. Blood samples, colostrums and milk samples were collected at parturition and 45 days later both from ewes and their newborns. Ewes were fed concentrate pellets with Rhodes grass for both breeds and kept under the same environmental conditions and management. Colostrum and milk samples were analyzed for nutrients composition. Blood serum of ewes and their newborns were analyzed for albumin, total protein, cholesterol, glucose, calcium (Ca), phosphorus (P), triiodothyroxine (T3) and thyroxine (T4). At parturition, a significantly higher glucose, Ca and P levels in blood serum were reported for ewes and newborns of Najdi compared with Naemi breed. At 45 days postpartum, a significantly lower Ca (p<0.001) and P (p<0.05) levels in blood serum of Najdi ewes and their lambs with significantly (p<0.05) higher T3 and T4 of ewes when compared with Naemi breed. Colostrum and milk fat and Lactose percentages of Naemi ewes were significantly higher (p<0.05) compared with Najdi breed. This study showed a breed variation in term of certain metabolic parameters and colostrum and milk composition during parturition and early lactation.
  M.A. Abouheif , A.N. Al-Owaimer , T.M. Shafey , M.A. AlShaikh and R.S. Aljumaah
  The present investigation was carried out to examine the presence of Booroola FecB mutation gene in 124 selected prolific ewes from 6 flocks representing two Saudi Arabian local sheep breeds by forced PCR-RFLP method. Genomic DNA was extracted from the blood of 69 Najdi and 55 Naeimi matured ewes with litter size varied from 2.01-2.16 lambs per ewe lambing. Digestion of FecB gene 190 base pair with AvaII restriction enzyme resulted in non carrier 190 bp band wild type in all samples which revealed the absence of this mutation in the tested Najdi and Naeimi sheep breeds.
  T.M. Shafey , R.S. Aljumaah , S.I. Almufarrej , A.A. Al-Abdullatif and M.A. Abouheif
  The effects of Delaying access to Feed and water (DF) after hatch and glucose supplementation of drinking water on the performance of broiler chickens were investigated in 2 trials. DF for up to 48 h immediately after hatch depressed performance, weight of bursa of fabricius and heart and small intestine length and thickness. However, the DF period did not influence mortality percentage, feed efficiency, composition of eviscerated carcass and body weight percentage of small intestine, heart and lymphoid organs of chickens at 33 days of age when compared with birds fed immediately after hatch. Access to feed and water after hatch increased body weight gain, feed intake and eviscerated carcass weight over the 33 days experimental period. The addition of glucose for up to 10% to drinking water of DF birds in the 1st 72 h did not influence the performance and eviscerated carcass of DF birds.
  T.M. Shafey , R.S. Aljumaah , M.A.K. Abdelhalim , M.M. Mady and M.M. Ghannam
  The effects of high Calcium (Ca, 10 and 25 g kg-1) and Dietary Electrolyte Balance (DEB, 250 (basal diet), 200 and 300 mEq kg-1 (3 diets with high Na, K, Na plus K, respectively) on the performance (Weight Gain (WG), Feed Intake (FI) and Feed Conversion Ratio (FCR)) during the starter and finisher periods (1-20 and 21-33 days of age, respectively) and plasma total Ca and electrolytes and carcass characteristics at 33 days of age of broiler chickens were investigated. DEB treatments were prepared by the addition of NH4Cl, NaHCO3, KHCO3 and NaHCO3 plus KHCO3 to the basal diet, respectively. High Ca diet reduced WG, FI, plasma potassium, eviscerated carcass weight and increased FCR and plasma Ca. Altering DEB of 250 by ±50 mEq kg-1 influenced WG and FI of chickens without altering FCR, plasma total Ca and electrolytes and carcass composition. DEB 200 mEq kg-1 did not influence the performance of chickens. DEB 300 mEq kg-1 had a lower WG than DEB 200 or 250 mEq kg-1 during the starter period. DEB 300 mEq kg-1 with high Na had a higher WG than DEB 200 mEq kg-1 at the finisher period. DEB 300 mEq kg-1 with high K had lower WG and FI of chickens than other DEB treatments and eviscerated carcass weight than DEB 250 mEq kg-1 at 33 days of age. It was concluded that altering DEB within the range of 200-300 did not overcome the growth depression effect of high Ca. DEB manipulation influenced the performance of chickens.
  S.I. Al-Mufarrej , M.F. Hussein , R.S. Aljumaah and A.R. Gar ElNabi
  During an outbreak of caprine abortion in a farm in Riyadh, Saudi Arabia, serum samples from 57 Aardi goats with recent history of abortion and stillbirths (herd 1) along with samples from 30 control goats without abortion history (herd 2) were analyzed for anti-Toxoplasma gondii antibodies using indirect Enzyme-Linked Immunosorbent Assay (ELISA) and Indirect Haemagglutination (IHA) tests. Antibodies against T. gondii were detected by ELISA in 63.2% of the goats in herd 1 and 50% of the control goats (herd 2). About >80% of the former goats had ELISA percent optical densities (O.D.%) ≥100 while >86% of the control goats were weakly positive with ELISA O.D.’s (%) <100. IHA tests were positive in 51.7% of herd 1 versus 30% of control goats. About 78% of all IHA positive goats in herd 1 had antibody titers ranging between 1:640-1:2560 including nearly 30% with titers ranging between 1:1280-1:2560. By contrast, all IHA positive goats in herd 2 had titers ranging only between 1:80-1:160, except one goat with a titer of 1:640 and none with higher titers. IHA tests for IgM antibodies using 2-mercaptoethanol treated sera revealed IgM antibodies in 16 (28%) goats with abortion history (herd 1) and none in control goats (herd 2). Focal pathological changes were observed in the fetal brain and the placenta of some of the aborted goats. These findings strongly suggest T. gondii as the cause of abortion in herd 1.
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