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Articles by Eman S.A. Farahat
Total Records ( 2 ) for Eman S.A. Farahat
  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.
  Hossam H. Azzaz , Eman S.A. Farahat and Hossam M. Ebeid
  Background and Objectives: Most utilized grains in livestock feeding in Egypt are imported from abroad, therefore searching for alternative feed ingredients to replace of high cost feed grains is very important approach. This research aimed to investigate the effects of partial replacement of corn grains by Powdered Date Seeds (PDS) or PDS+fibrolytic enzymes on the productive performance of Rahmani rams and lactating Nubian goats. Materials and Methods: For digestibility trial, three mature Rahmani rams were randomly assigned to the experimental rations [Control (0% PDS), R1 (50% of corn of the control replaced by PDS), R2 (50% of corn of the control replaced by PDS) + 2 g Asperozym kg–1 DMI] using 3×3 Latin square design. For lactation trial, twenty seven lactating Nubian goats randomly assigned into three groups of nine animals each to the experimental rations using complete random design. The entire experimental periods for digestibility and lactation trials were 63 days. Rams and goats were fed dry matter according to 4% of their body weight and water was offered freely. Data were statistically analyzed by SAS (Version 8) software. Results: Rams fed R1 recorded the lowest values of ruminal fermentation characteristics (except pH) and nutrients digestibility coefficients. No significant differences were found between (R2) and control rams in all tested ruminal fermentation characteristics (except pH) and all nutrients digestibility coefficients (except CF digestibility). There were no significant differences among all groups in plasma total protein, globulin, urea, ALT, AST and cholesterol concentrations. Milk, 4% FCM and all milk constituents yields (except SNF yield) were higher (p<0.05) for control and R2 goats than R1 goats. Conclusion: The replacement of 50% of corn grains by enzymatically treated powdered date seeds had no negative effect on rumen fermentation and nutrients digestibility of Rahmani rams, as well as Nubian goat’s milk production and its component’s yields.
 
 
 
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