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Articles by H.M. Khattab
Total Records ( 3 ) for H.M. Khattab
  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.
  Eatb R. Abd-El Galil , A.R. Khattab , H.M. Khattab , H.M. El Sayed and Faten F. Abou-Ammou
  Three rations were tested through two major trail metabolic and feeding trial to evaluate the replacement of different sources of energy in sheep rations. The rations contained: 30% berseem hay+70% CFM contain 50% yellow corn as control ration (R1), 30% berseem hay+70% CFM contain 50% date seeds (R2) and 30% berseem hay+70% CFM contain 50% sugar beet pulp (R3). No Significant differences (p<0.05) were observed in total dry matter intake and crude protein intake among the experimental rations. Ration 1 had the highest value of DM, OM, CP and NFE digestibility compared with R2 and R3. Total Digestible Nutrient (TDN) and N-balance had higher significantly values for R1 (74.1% and 6.57 g) and R2 (68.00% and 5.93 g) than R3 (63.3% and 4.46 g), respectively. The pH and total volatile fatty acids value had significant differences among all rations. Total cellulolytic bacteria had significant differences value in R3 than other experimental rations. Number of Cellulomonas, Bacillus, Acetobacter and Ruminococcus were high in R3 contain beet pulp, while Thermonospora was the highest number in R2. In feeding trail recorded that total gain, Average Daily Gain (ADG) and feed efficiency were significantly (p<0.05) higher for R1 followed by R2 and R3 orderly. It was concluded that using date seeds or sugar beet pulp as source of energy in rations of ruminants, have not any negative effect on digestibility, feed intake, ADG and feed efficiency compared with yellow corn ration.
  H.M. Khattab , H.M. Gado , A.E. Kholif , A.M. Mansour and A.M. Kholif
  Upgrading the nutritive value of sun dried Rumen Contents (RC) by enzymatic treatments and additives can make it a valuable feed resource for ruminants. The objective of this study was to determine the feeding value of partial replacement of Berseem Clover (BC) by treated RC with a mixture of exogenous enzymes (ZADO® or ZAD®) from anaerobic bacteria in the ration of early lactating Baladi goats. Twelve lactating Baladi goats weighed 26±0.5 kg in the first week of lactation were randomly assigned among four experimental treatments using 4x4 Latin square design to be fed four rations. 60% Concentrate Feed Mixture (CFM)+40% BC (Control); 60% CFM+20% BC+20% DRC (T1); 60% CFM+20% BC+20% DRC treated with compound ZAD (T2); 60% CFM+20% BC+20% DRC treated with ZAD compound+20 g compound ZADO /head/d fed directly before feeding (T3). The period of this trial divided into four experimental periods each of 30 days. Results showed that T3 and T2 groups recorded higher values of digestibility coefficients compared with control and T1 group. Groups contained DRC recorded higher values (p>0.05) of ruminal pH and non Protein Nitrogen (NPN) than the control. The treated groups (T2, T3) showed higher (p<0.05) values for rumen liquor ammonia, NPN and total volatile fatty acids (TVFA's) (p>0.05) compared with untreated group (T1). Results showed insignificant differences for blood serum total proteins, globulins, urea, Creatinine, Serum aspartate aminotransferase (AST), Alanin aminotransferase (ALT) and glucose. Biological treated groups (T3 and T2) increased (p>0.05) daily milk yield, 4%fat corrected milk (4% FCM), fat, Total Solids (TS), Solids Not Fat (SNF) and lactose yields compared with T1 group. It could be concluded that feeding goats on rations containing DRC treated with ZADO and/or ZAD compounds as a partial substitute of berseem improved the performance of lactating goats without any adverse effect on animals’ health.
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