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Articles by N.E. El-Bordeny
Total Records ( 5 ) for N.E. El-Bordeny
  N.E. El-Bordeny , H.M. Khattab , A.M. El-Badr and Marwa A. Madkour
  The objective of this study was to investigate the ability of biological treatment (Trichoderma viride and Trichoderma reesei application) of rice straw to improve its chemical composition and cell wall constituents, as well as to evaluate male lamb’s performance fed ration containing treated rice straw. Thirty crossbred (Rahmany X Romanof) lambs (3 months old, 21±1.46 kg body weight) were randomly assigned to three groups (10 lambs each). Group one was fed ration contained 57% concentrate feed mixture and 19% clover hay plus 24 Untreated Rice Straw (URS), while group two and three were fed rations containing treated rice straw with Trichoderma reesei (TRSV) and Trichoderma viride (TRSR) instead of URS, respectively. Both of biologically treated rice straw TRSV and TRSR recorded lower OM, NDF, ADF and cellulose contents sthan URS. While TRSV and TRSR recorded higher CP, Ash and ADL contents compared to URS. Recovery rate as DM and OM for TRSV were higher than those for TRSR which was 88.05 vs 85.01 for DM recovery and 86.17 vs 83.47 for OM recovery. Insignificant differences were observed in nutrients digestibility, while insignificant increase in nutritive values as digestible protein and total digestible nutrients as well as nitrogen retention were observed for groups fed TRSV and TRSR compared to control. No significant differences were observed in rumen liquor TVFA’s, ammonia-N concentration and pH value among groups at 0, 3 and 6 h after feeding. Groups received TRSV and TRSR were significantly higher total gain and average daily gain and recorded better feed conversion as DM and CP compared to the control group. It could be concluded that biodegradation of rice straw using T. viride and T. reesei upgrade its chemical composition and inclusion TRSV and TRSR in animal ration had no adverse effect on animal performance.
  N.E. El-Bordeny , A. Abdou , A.M. Badr and Marwa A. Madkour
  This study aimed to investigate effects of inclusion biologically treated rice straw with Trichoderma viride or Trichoderma reesei in ewe-lambs ration on its productive and some physiological response. Thirty crossbred (Rahmany X Romanof) ewe-lambs (three months old and 17±1.13 kg body weight) were assigned randomly to three groups (10 animals each). The first group was fed ration contained 55% concentrate feed mixture and 22.5% clover hay plus 22.5% Untreated Rice Straw (URS), group two and three were fed rations contained rice straw treated with T. reesei (TRSR) or T. viride (TRSV), respectively. No significant differences were observed in nutrients digestibility, Total Digestible Nutrients (TDN), nitrogen retention and nitrogen utilization efficiency among the experimental groups. Treatments did not record differences in TVFA’s, ammonia concentration and pH value of rumen liquor at 0, 3 and 6 h post feeding. Also no significant differences were observed among the experimental groups in blood metabolites, while albumin, cholesterol and progesterone concentration increased (p<0.05) as animal age increased. Groups fed TRSV and TRSR recorded lower (p>0.05) values in total gain, average daily gain and worst (p>0.05) feed conversion as DM and CP compared to the control group. It could be concluded that using biologically treated rice straw in ewe-lambs ration had no adverse effects on nutrients digestibility and nitrogen balance as well as physiological response, while insignificantly decreased (p>0.05) growth performance.
  N.E. El-Bordeny , A.A. Abedo , H.M. El-Sayed , E.N. Daoud , H.S. Soliman and A.E.M. Mahmoud
  This study aimed to evaluate effect of using exogenous fibrolytic enzymes on productive performance of dairy cows and milk curve response at different lactation stages. One hundred and sixteen multiparous cows were randomly assigned into two groups; fifty eight cows in each. Each group was contained 12 cows in early lactation 40±6 Days In Milk (DIM), 18 cows in mid lactation (122±4 DIM) and 29 cows in late lactation (216±2 DIM). The animals were fed total mixed ration with or without 15 g fibrolytic enzymes head–1 day–1 for five weeks. Adding fibrolytic enzymes to dairy cows ration caused a significant increase in serum total protein and glucose concentration compared to control group, while Albumin, globulin, ALT, AST, alkaline phosphates activity and total bilirubin and urea concentration were not affected. Insignificant differences were observed in feed intake as dry matter, total digestible nutrient, crude protein and net energy lactation between the two groups. Enzymes supplementation to dairy cows rations increased milk yield, 4% FCM and ECM as well as milk fat contents compared to control group, while insignificant increased protein, lactose, total solid and solid not fat contents. Feed conversions as well as nitrogen efficiency utilization were significantly improved for treated group compared to control. Fibrolytic enzyme supplementation to dairy cows ration slightly increased positive slope (b-value) at early lactation compared to control group and no significant difference at mid lactation was observed. While, significant decrease in negative b-value was noticed for cows fed ration supplemented with fibrolytic enzymes compared to control group. It could be concluded that fibrolytic enzymes supplementation to dairy cows ration at early, mid and lactation has the potential to improve its productive performance as well as it is affect milk curve response.
  Mostafa Sayed Khattab , S.A.H. Abo El-Nor , H.M.A. El-Sayed , N.E. El-Bordeny , M.M. Abdou and O.H. Matloup
  The increase in bio-ethanol industry has created a need for alternative to corn for ruminants. In the other side there is increase in availability of glycerol, a primary co-product material of biodiesel production. The objective of this study was to investigate the effect of partial replacing of corn with glycerol in diets fed to lactating goats. Twelve lactating Nubian goats were fed a base diet (T1), diets containing 9% glycerol (on DM basis) (T2) and diet containing 9% glycerol plus commercial enzymes 4 g kg-1 DM (on DM basis) (T3) for 84 days. The experimental diets T2 and T3 decreased butyric acids concentration and acetate:propionate ratio in rumen liquor in relation to T1, the concentration of propionic acid was increased in T2 and T3 compared with T1. Replacing corn by glycerol (T2) decreased apparent nutrients digestion coefficients Dry Matter (DM), Organic Matter (OM), Crud Protein (CP), Neutral Detergent Fiber (NDF) and Acid Detergent Fiber (ADF) comparing with other treatments (T1 and T3). Milk production was 1581, 1174 and 1610±77.6 g h-1 day-1 and FCM was 1774, 1030 and 1648±115.9 g h-1 day-1 for T1, T2 and T3, respectively, Milk composition was not altered by glycerol feeding plus fibrinolytic enzymes (T3) except that milk total protein was decreased from 4.6 24 to 3.5%. While, replacing corn by glycerol (T2) decreased values of milk composition compared with control diets (T1). The results indicated that glycerol is a suitable replacement for corn grain with adding fibrinolytic enzymes in diets for lactating goats and that it may be included in rations to a level of at least 9% of dry matter without adverse effects on milk yield or milk composition.
  H.A.F. Rahmy , H.M. El Bana , N.E. El-Bordeny , Adel E.M. Mahmoud and Wafaa M.A. Ghoneem
  Background and Objective: Medicinal herbs and aromatic plants could be used to manipulate rumen fermentation. This study aimed to evaluate the effect of adding herbal and aromatic plants at 1, 3, 5, 7% of total ratio DM supplementation of the incubation media of an in vitro rumen model. Materials and Methods: About 400±4 mg of feed sample (roughage and concentrate ratio of 45:55%) with each level, weighted into 125 mL glass bottles (6 bottles for each treatment), rumen fluid injected into these bottles and incubated at 39°C, after 24 h incubation digestibility of dry matter (IVDMD) and organic matter digestibility (IVOMD), total gas production (TG) and metabolic energy (ME) were studied. Results: The differences among plants, added at different levels, were significant. Significant differences were also observed between highest level added compared with control in ammonia (NH3) and volatile fatty acids (VFA), IVDMD and IVOMD compared with control. Total gas (TG) was significantly higher at level 7%, especially with added Melissa compared with other plants. Metabolic energy (ME), was significantly higher in all treatments compared with control. Conclusion: It may be concluded that addition of different medicinal and aromatic herbal plants Caraway (Carum carvi), fennel (Foeniculum vulgare) and Melissa (Melissa officinali)), especially at highest levels tested has a great potential in manipulating rumen fermentation, which may be of benefit when applied in ruminant nutrition.
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