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Articles by S.A.H. Abo El-Nor
Total Records ( 2 ) for S.A.H. Abo El-Nor
  S.A.H. Abo El-Nor , Mona A.M. Abd El-Gawad and M.H. Abd El-Salam
  Twenty lactating buffaloes divided in 4 groups (5 animals each) were used to evaluate the effects of somatotropin (bST) and monensin (M) on the yield and quality of buffalo milk and Tallaga cheese made from the obtained milk. The first group was fed the basic ration (C); The 2nd was fed the basic ration and injected with bST; the 3rd was fed the basic ration with 4 g M/day/animal and the 4th group was fed on the 3rd group but was injected two weeks before parturition up to 6 months after parturition with bST every two wks. The milk yield and composition were followed. Pooled milk from each group was used in the manufacture of Tallaga cheese. The obtained cheese was analysed chemically and its organoleptic properties were assessed monthly during cooled storage up to 3 months. The dry matter intake, increased significantly (p<0.05) and milk yield was significantly higher (p<0.01) in animals treated with bST. The fat, Total Solids (TS) Total Protein (TP), Solids Not Fat (SNF) and lactose contents were significantly higher in milk from 2nd and 4th groups compared to 1st and 3rd groups. The calculated efficiencies of milk yield/DMI, 4% FCM yield/DMI were improved (p<0.05) in group II (bST) compared with the other three groups. The yield, fat%, fat/DM%, salt, acidity, TVFA s and SN/TN% of Tallaga cheese made from group 1 milk (control) were better than those of the other three groups, however, organoleptic properties, TP% and TP/DM% of group IV (bST+M) were generally better than those of the other three groups. TS was higher in group 3 (M), tyrosin and tryptophan were higher in group 2 (bST). Storage period significantly affected sensory properties (p<0.05) showing the best quality after three months of storage and, also, affected cheese composition (TS, fat, TVFA s, tyrosine, tryptophan, TCC, SN and SN/TN).
  S.M. Kholif , S.A.H. Abo El-Nor and M.M. Khorshed
  Five types of silage were made from Vegetable and Fruit Market Wastes (VFMW) to evaluate silage quality. The different types of silage were, VFMW (S1), VFMW+5% ortho-p-acid (S2), VFMW+5% formic acid (S3), VFMW+5% 1: 1 ortho-p-acid: formic acid (S4) and VFMW+5% sodium acetate (S5). After 21, 42 and 64 days the siloes were opend and the silages characteristics were examined. Supplementation of chemical agents to VFMW silage (S2, S3, S4 and S5) were significantly increased dry matter, organic matter, crude protein, ether extract and nitrogen free extract contents, while crude fiber content was significantly decreased (p<0.01) with treated silage compared with control (S1). In vitro dry matter (p<0.01) and organic matter (p<0.05) disappearances were significantly higher with formic acid+ortho-p-acid and sodium acetate (S4 and S5) treated silage followed by ortho-p-acid and formic acid (S2 and S3) and then control (S1). Silage pH value was decreased (p<0.01) with adding ortho-p-acid and sodium acetate to silage, while, silage butyric acid concentration was increased (p<0.01) with ortho-p-acid and decreased (p<0.01) with the combination of acids adding to silage compared with control. On the other hand, ammonia-N, lactic acid were not among treatments. Silage pH, ammonia-N, butyric acid and lactic acid concentrations were increased (p<0.01) with time of ensiling. Nine castrated goat's male average (26.2 kg and 4 years age) were divided into three groups using 3x3 Latin square design with 30 day periods to study the effect of treatments on rumen activity and nutrient digetibilities. DM, OM, CP, CF, EE and NFE digestibilities were increased (p<0.05) with treated groups compared with control. Rumen total nitrogen, true protein nitrogen and non protein nitrogen contents were increased (p<0.05) while, ammonia-N content was decreased (p<0.05) with treated groups compared with control. Fifteen lactating Zaraibi goats after seven days of parturition were ranked to three groups using 3x3 Latin square design with 30 day periods to study the effect of treatments on milk yield and composition. Animals were fed on Concentrate Feed Mixture (CFM): VFMW silage (S1), CFM: VFMW treated with 5% formic acid (S2) and CFM: VFMW treated with 5% sodium acetate (S3). Milk yield and 4% FCM were increased (p<0.01) with treated silage. Yields of milk contents were higher (p<0.05) in treated group compared with control. However in milk, total protein, fat, lactose and solids not fat contents were not differed significantly among treatments. Chemical treated silage improved (p<0.05) feed efficiency (milk Yield/Dry Matter Intake (DMI) and 4% FCM/DMI) of VFMW silage. Blood serum glucose increased (p<0.05) while, urea and total lipids decreased (p<0.05) with treated groups compared with control.
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