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Articles by M.Y. Al-Saiady
Total Records ( 5 ) for M.Y. Al-Saiady
  M.Y. Al-Saiady
  Twenty-four, 3-4 days old male calves were used in this study. All animals were clinically normal. They were weighed within 24 h of arrival and divided into 3 groups A-C matched for body weight. Group A (control) calves were given a basal diet containing a combination of whole pasteurized milk and reconstituted milk replacer. In group B, a commercial culture of L. acidophilus and L. plantarum was added to the basal diet. In group C a culture of L. acidophilus 27 sc was added to the basal diet. Serum total proteins, albumin and total globulins were comparable in all three groups as were the serum concentrations of urea, BUN and triglycerides. Serum inorganic constituents also showed no significant differences between the control and treated groups. A significant increase in serum Ig G concentration was recorded in the probiotic-supplemented groups, which also showed a significant increase in body weight at 5 weeks and during the entire experimental period.
  M.A. Abouheif , M.Y. Al-Saiady , A. Aziz Makkawi , Hafiz A. Ibrahim and M.S. Kraidees
  Twenty-four Najdi ram lambs, weighing an average of 24 kg and circa 3 months old were utilized in this trial to evaluate the effect of two feeding frequencies on growth performance, carcass characteristics, digestion coefficients, nitrogen retention and ruminal VFA and ammonia-N concentrations. The feeding protocol involved once daily feeding at 0800 h and twice daily feeding in two equal portions at 08:00 and 15:00 h lambs were offered a sufficient quantity of total daily DM (95 g DM day-1 w0.75) to resemble ad libitum consumption. All lambs were slaughtered after a 14 week feeding trial. Although, the results showed no significant effect of frequency of feeding on DMI, ADG, carcass weight, digestibility of DM, CP and ADF and N-retention, lambs fed one meal daily had higher (p<0.05) gain efficiency and NDF digestibility and lower (p<0.05) dressing percentage than lambs fed two meals daily. Rumen total VFA concentrations at all post-feeding intervals were not influenced (p>0.05) by feeding frequency, except at 10 h post-feeding; rumen VFA concentration value at 10 h post-feeding was higher (p<0.05) in lambs fed once daily than those fed twice daily. Feeding once daily resulted in a greater (p<0.05) molar proportion of propionate and a smaller (p<0.05) molar proportion of acetate than from feeding twice daily. The ruminal fluctuations in total VFA and ammonia-N concentrations were less obvious in the lambs fed twice daily than once daily.
  M.Y. Al-Saiady , H.H. Mogawer , S.E. Al-Mutairi , M. Bengoumi , B. Faye , A. Musaad and A. Gar-Elnaby
  The present study aimed to investigate the effect of nutrition on body weight gain, ovaries development, blood components (total protein, albumen, globulin, cholesterol and glucose) and hormone level (estradiol and progesterone) in pre-pubertal she-camels. Fourteen dromedary she-camels (Camelus dromedarius) were divided in two groups (A and B) similar body weight and age at the start of the experiment (200 kg and 12 month, respectively). Group A received diet with 13% Crude Protein (CP) and 2.9 Mcal Metabolisable Energy (ME). Group B received the traditional diet of the farm. Both diets contained 25:75 forage:concentrate. Individual feed intake was calculated after 14 days of adaptation period. Feed offered and orts was recorded daily during the whole experimental period of 12 months. Blood samples were taken from each group every 15 days throughout the experimental period. Estradiol, progesterone concentrations were measured using ELISA kits. Body weight and average daily gain for the Ist 6 months did not show significant differences between treatments. On the contrary for the last 6 months, treatment A significantly increased body weight and daily weight gain when compared to B (70.07±8.17 kg and 0.389±0.05 kg day-1 vs. 37.86±8.17 kg and 0.210±0.05 kg day-1, respectively. Group A was more efficient converting feed to body weight comparing with group B. Feed Conversion Ratio (FCR) for the whole period was 11.25 and 13.74 for Group A and B, respectively. Group B had greater ovary size than Group A but the difference was not significant. Size of right ovary was smaller than the left one and season had positive effects on both right and left ovary sizes. Greater ovary sizes were observed in Winter and Spring comparing with Summer and Autumn. Group A had higher blood estradiol level comparing with Group B while there was no difference between groups in progesterone levels. It was concluded that feeding regime did not affect body weight, daily body weight gain and blood progesterone levels but improved feed conversion ratio and blood estrogen levels.
  M.B. Magzoub , H.A. Al-Batshan , M.F. Hussein , S.I. Al-Mufarrej and M.Y. Al-Saiady
  This study was undertaken to determine the effect of dietary chromium supplementation on humoral antibody response and some blood constituents in hybrid tilapia fish (Oreohromis niloticus x O. aureus). Cr-yeast or Chromic Oxide (Cr2O3) were added to fish feed at the rates of 1 or 2 mg kg-1, while control fish received unsupplemented diet. Three hundred and forty fish (Avg. weight 37.8 g) were randomly assigned to 5 feeding regimens with two replicates each. Each replicate was reared separately. The fish were immunized with Sheep Red Blood Cells (SRBCs) at 0 day and re-immunized at 30 days of the experiment to determine primary and secondary humoral antibody responses, respectively. Blood samples were collected from 15 fish/replicate at 0 and 25 days to determine blood plasma constituents and at 5 days intervals during primary and secondary immunization up to 50 days to determine anti-SRBC antibody titers. The results shown decreased plasma glucose and increased plasma cholesterol concentrations at 25 days compared to 0 days in all groups. Increased triglyceride levels was noted in fish receiving Cr2O3 (1 mg kg-1) and decreased albumin: globulin ratio in those receiving Cr yeast (2 mg kg-1) at 25 days (p<0.05). No significant changes were observed in total protein, albumin and total globulin concentrations due to either Cr treatment or feeding duration. Anti-SRBC antibody titers were significantly higher in Cr-supplemented groups versus control, with highest titers in fish receiving 2 mg kg-1 Cr-yeast supplement during secondary immunization. These findings indicate that the inclusion of Cr in the feed significantly augments humoral antibody response of tilapia.
  M.B. Magzoub , H.A. Al-Batshan , M.F. Hussein , S.I. Al-Mufarrej and M.Y. Al-Saiady
  This study was undertaken to determine the effect of dietary Chromium (Cr) supplementation on performance, body chemical composition, plasma glucose, Hepatosomatic Index (HSI) and liver glycogen in hybrid tilapia (Oreochromis niloticus x O. aureus). Cr-yeast or Chromic Oxide (Cr2O3) were added to fish feeds at the rates of 1 or 2 mg kg-1 while control fish received an unsupplemented diet. About 1400 fish (avg. weight 18.6 g) were randomly assigned to 5 feeding regimens, each consisting of four replicates. Each replicate was reared separately. Body Weight (BW), Feed Intake (FI), Growth Rate (GR) and Feed Efficiency Ratio (FER) were measured at days 14, 28, 42, 56, 70 and 84. Chemical composition, HSI and liver glycogen were determined at days 0, 30 and 60. Plasma glucose was measured after starving the fish for 24 h and at 1, 2, 3, 4, 6, 8 h after feeding. The results showed increased BW, FI, GR, FER, total protein, ether extract, gross energy, plasma glucose and liver glycogen and decreased ash percent in all groups. Comparison of the overall means of these variables in different feeding groups showed that BW, FI, GR and FER were significantly lower in fish receiving 2 mg kg-1 Cr-yeast while overall mean values of ether extraction and gross energy were significantly higher in fish receiving 1 mg kg-1 Cr2O3. On the other hand the highest overall mean value for liver glycogen was recorded in fish receiving 2 mg kg-1 Cr. No significant changes were observed in moisture, ash, total protein, plasma glucose or HSI. These findings indicate that the inclusion of Cr in fish feeds can lead to improvement of tilapia chemical composition and physiology, namely ether extract, total energy and liver glycogen.
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