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Articles by Adel Eid Mohamed Mahmoud
Total Records ( 3 ) for Adel Eid Mohamed Mahmoud
  Alaa Yosri Kamel Emam , Hashem Hamed Abd El-Rahman , Yasser Ahmed Abd El-Fattah El-Nomeary , Mohamed Ahmed Hanafy and Adel Eid Mohamed Mahmoud
  Background and Objective: Protein considered the second main nutrient in diet formulation for all types of animals after energy. Present study aimed to evaluate the effect of different treatments on the nutritive value of Jatropha meal (JM) by in vitro and in vivo trials as protein source in sheep diet. Materials and Methods: Chemical composition, in vitro digestibility, gas production and phorbol esters (PE) were recorded for physically, chemically and biologically treated Jatropha meal. In vivo digestibility was measured by using 24 Barki rams randomly assigned into 4 nutritional groups (6 animals/treatment) as follow: 1) control ration and in 2, 3 and 4 groups cotton seed meal replaced with 30, 45 and 60% heated Jatropha meal (HJM). Results: The various treatments raised DM (Dry matter), CP (Crude protein), NFE (Nitrogen free extract) and ash, whereas reduced OM (Organic matter), CF (Crude fiber) and EE (Ether extract) content in JM, the results of in vitro dry matter disappearance (IVDMD) have a significant height (p<0.01) for physical followed by the chemical and biological treatments. Otherwise high significant results (p<0.01) for gas production for different treatments was observed. The different treatments decreased the concentration of PE in JM than untreated. Conclusion: It can be concluded that all treatments especially heat enhanced chemical composition, IVDMD of JM and gas production. Feeding values were better with the ratio 30 and 45%.
  Abdel Rahman Mahmoud Abdel Gawad , Mohamed Ahamed Hanafy , Adel Eid Mohamed Mahmoud and Yahia Hassan Al-Slibi
  Background and Objectives: Using agro-industrial waste in animal diet became a new strategy in the animal feeding system to decrease the cost of nutrition. This study aimed to investigate the effects of usage tomato pomace, citrus and beet pulp in dried form in diets on the performance of lactating buffaloes and milk quality. Materials and Methods: Fifteen milking Egyptian buffaloes at the second and third seasons of lactation were divided into five groups (3 animals in each) to fed on five experimental rations. The experimental rations were: R1(control group) fed on Concentrate Feed Mixture (CFM1) contains 20% wheat bran+roughage, R2: CFM2 replacement wheat bran 10% Dried Tomato Pomace (DTP) and 10% Citrus Pulp Dried (CPD)+roughages, R3: fed CFM2 with 15 g fibrolytic enzyme/head/day+roughages, R4: Fed CFM3 replacement wheat bran 10% DTP and 10% Dried Beet Pulp (DBP)+roughages and R5: CFM3 with 15 g fibrolytic enzyme/head/day+roughages. Results: Tested by-products observed different effects of nutrients digestibility and nutritive values comparing with control ration. There was no significant difference in fat corrected milk and milk fat among treatments. Polyunsaturated fatty acids especially C18:2c and C18:3n3 were recorded highly significant values with ration four. Rations 4 and 5 led to increased blood albumin, total protein. Conclusion: It could be concluded that tomato pomace, citrus and beet pulp could be used as alternative sources to replace wheat bran in buffalo’s rations without adverse effects on milk yield with positive effects on milk quality and fatty acids profile.
  Mohamed Hesham Fawzy , Sara Mohamed Mahmoud , Mohamed Ahmed Hanafy , Mohamed Hassan Bakr , Adel Eid Mohamed Mahmoud , Mohamed Abdel-Alim Ali and Olfat Sayed Barakat
  Background and Objective: Nanoparticles with a little size to an enormous surface (1-100 nm) have expected clinical, mechanical and agricultural applications. This study aimed to produce nano Zinc Oxide (ZnO) and nano Copper Oxide (CuO) particles by green synthesis. Materials and Methods: Two strains of Pseudomonas fluorescens i.e., PSI and PSII, both cell culture supernatants and cell pellets from the two strains were examined separately in CuSO4 or ZnSO4 solutions. The supernatants from both strains produced color changes in both solutions referring to the formation of nano CuO or ZnO particles. The solutions were examined for nano-particle characteristics using UV-spectroscopy, particle size and morphology were tested using a scanning electron microscope and transmission electron microscopy. Results: UV-Vis absorption spectrum of solutions at a wavelength range 200-800 nm exhibits a distinct absorption peak in the region of 238-331 and at 303-366 nm for CuO or ZnO NPs, respectively. Absorption bands and the characteristic Surface Plasmon Resonance (SPR) spectra confirm the existence of CuO and ZnO NPs. SEM analysis micrographs indicated that CuO NPs were formed as spherical particles, while the exact shape of ZnO NPs could be identified as oval aggregates. Conclusion: Changes of color occurred in both solutions of two strains referring to the formation of nano CuO or ZnO particles.
 
 
 
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