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Articles by S.M. Kholif
Total Records ( 5 ) for S.M. Kholif
  A.M. Kholif , Eman S.A. Farahat , M.A. Hanafy , S.M. Kholif and R.R. EL-Sayed
  Two experiments were carried out to evaluate the effects of cellulases supplementation on in vitro degradation of date kernels (the first trial) and in vivo (rumen fermentation and nutrients digestibility) by lactating Zaraibi goats (the second trial). In the in vitro experiment, dry matter and organic matter disappearance (IVDMD and IVOMD) were determined for date kernels supplemented separately with (Asperozym) and commercial cellulolytic enzyme source (Veta-Zyme Plus®) at 3 levels (15, 30 and 45 U kg–1 DM) compared with the control. The highest values (p<0.05) of IVDMD and IVOMD were observed with Asperozym supplementation level at 45 U kg–1 DM compared to control. While, Veta - Zyme Plus® gave the highest (p<0.05) IVDMD and IVOMD values at 15 U kg–1 DM compared to control. In the in vivo experiment, nine lactating Zaraibi goats after 7 days of parturition were divided into three groups, three animals each, using 3×3 Latin square designs. The first group was fed 37.5% Concentrate Feed Mixture (CFM), 12.5% date kernel and 50% berseem hay (control diet). The second group was fed control diet supplemented with Veta-Zyme Plus® at level 15 U kg–1 DM (T1). The third group was fed control diet supplemented with Asperozyme at level 45 U kg–1 DM (T2). The results indicated that Asperozym and Veta-Zyme Plus® supplementation significantly (p<0.05) increased nutrients digestibility, nutritive values, ruminal Total Volatile Fatty Acids (TVFA’s) and ruminal ammonia nitrogen (NH3-N) for treated groups compared with the control group.
  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.
  Mervat I. Foda , S.M. Kholif and A.M. Kholif
  The aim of this study was to evaluate the effect of supplementing goat’s ration with different forms of lysine and methionine on milk production, its chemical composition and consumer’s acceptability. To maximize goat milk benefits, different concentration of β-D-galactosidase were used to form galacto-oligosaccharides after supplementing the ration with lysine and methionine in protected and unprotected forms. Milk acceptability and its chemical composition were evaluated compared to control samples. The results showed that milk fat, lactose, total protein and milk yield were increased by adding the amino acids in both different forms. Organoleptic evaluation indicated significant increase in taste and overall acceptability of goat milk containing higher concentration of galactooligosaccharides. Also, supplementing goat ration with these amino acids should be recommended to increase milk production and its contents. Formation of galactooligosaccharides in goat milk could be recommended to decrease most of infant’s allergy and diseases.
  T.A. Morsy , S.M. Kholif , O.H. Matloup , M.M. Abdo and M.H. El-Shafie
  This experiment was designed to study the effects of dietary addition of some essential oils on ruminal fermentation characteristics, blood parameters milk production and milk composition. Twenty lactating Damascus goats, seven days after parturition, were assigned randomly into four groups (five animals each) using complete randomized block design. Experimental period lasted for 90 days. Goats of each group were fed the same basal diet and received one of the following treatments; (C) control (without oil), (ANI) control diet+2 mL Anise oil/head/day (mL/h/d), (CLO) control diet+2 mL Clove oil/h/d, (JUN) control diet+2 mL Juniper oil/h/d. Ruminal Total Volatile Fatty Acids (TVFA) has achieved an increase while, ammonia nitrogen was decreased with Essential Oils (EO) additives. Values of serum total protein and globulin have recorded the highest concentrations, on the contrary, blood urea nitrogen and cholesterol concentrations were recorded the lowest values with EO additives. Milk yield and milk composition were not significantly affected by EO additives, while milk fat and milk non-protein nitrogen contents which decreased with EO additives and milk protein content increased with EO additives compared to control. Goats fed diet supplemented with Juniper oil produced milk fat have highest value of total and individual Conjugated Linoleic Acids (CLA) and C18.3N3 (omega 3). Results from this study suggested that feeding these EO (2 g/h/d) to lactating dairy goats had limited effects on milk production and milk composition but feeding 2 mL Juniper oil/h/d changed milk fatty acids profile for healthy effect on the consumers.
  H.H. Azzaz , H.M. Ebeid , T.A. Morsy and S.M. Kholif
  This study was conducted to study the effect of yeast culture (Saccharomyces cerevisiae) supplementation either alone or in combination with Propionibacterium freudenreichii strain P169 on nutrient digestibility coefficients, blood metabolites, milk yield and milk composition of mild lactating buffaloes. Fifteen lactating buffaloes, 2 months after parturition, were randomly assigned into three groups, 5 animals each, using complete random design. The experiment lasted for two months, buffaloes were fed dry matter according to 3% of their mean body weight. The experimental groups were fed on: (1) Control ration (consisted of 50% concentrate feed mixture (CFM), 30% corn silage, 10% dried sugar beet pulp and 10% rice straw), (2) Control ration+50 g Yeast Culture (YC)/head/day and (3) Control ration+50 g YC+4 g propionibacteria, P169, (YC+P169)/head/day. The supplementation of YC or YC+P169 improved (p<0.05) all nutrients digestibility but significantly decreased (p<0.05) blood plasma urea nitrogen of treated buffaloes. Milk and 4% fat corrected milk yields were significantly increased (p<0.05) while milk fatty acids were unaffected by YC or YC+P169 supplementation. In conclusion, ration’s supplementation with YC or YC+P169 had beneficial effects on the buffaloes productivity with no deleterious effects on animals health.
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