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Articles by Mohamed E. Abd El-Hack
Total Records ( 4 ) for Mohamed E. Abd El-Hack
  Mahmoud M. Alagawany , Mayada R. Farag , Kuldeep Dhama , Mohamed E. Abd El-Hack , Ruchi Tiwari and Gazi Mahabubul Alam
  The polyphenol resveratrol is an antioxidant nutrient, used to enhance growth performance through activation and modification of gut function and structure and to inhibit cancer initiation and promotion. The main application of resveratrol is in animal and poultry nutrition, in particular as a feed additive to reduce free radicals in a wide variety of animal species. Several studies carried out on diets supplemented with additives containing natural antioxidants as resveratrol demonstrated its capability to improve the productive performance, immune response and health of livestock besides reducing the risks of various animal diseases such as cancer and other degenerative diseases. Such activities could be attributed to its powerful antioxidant, immunomodulatory and anti-inflammatory effects by preventing free radicals from interacting with cellular DNA and its ability to alter the intestinal microbiota, increased digestibility and absorbance of nutrients. This review describes the modes of action, metabolism, the biological activities, natural sources and beneficial aspects/potential applications of resveratrol in animal and poultry nutrition, production and health.
  Mohamed E. Abd El-Hack , Samir A. Mahgoub , Mahmoud Alagawany and Kuldeep Dhama
  This study evaluated the effect of dietary supplementation of antimicrobial cold pressed oils mixture [1:1:1 of Nigella sativa, cloves and rosemary (NCR)] at levels of 0.75 and 1.5 g kg–1 diet, on growth performance, carcass traits and some microbiological aspects for growing Japanese quails. A total number of 225 growing Japanese quails one week old were used in a complete randomized design experiment with three treatments. Final live body weight was significantly (p<0.01) higher by 2.89% in quails fed diet supplemented with 1.5 g NCR oil compared to those fed the control diet. Feed intake increased statistically (p<0.01) as the level of oil mixture supplement increased. The best feed conversion of 2.87 was associated with 1.5 g oil during period 3-6 weeks of age, whilst the control group gave the best feed conversion within the whole period (1-6 weeks of age) followed by the experimental group treated with 1.5 g NCR oil. Feeding quails on a diet enriched with 1.5 g NCR oil resulted in the best carcass percentage which increased by 3.72% compared to those fed the control diet. The populations of Total Bacterial Count (TBC), coliforms and Escherichia coli in ileum, ceca and feces were fewer (p<0.05) in quails fed diet supplemented with NCR oil mixtures (1.5 g w/w) compared with the control diet. In conclusion, the dietary supplementation of antimicrobial cold pressed oils mixture by 1.5 g kg–1 showed the potential to enhance the growth performance and reduce intestinal and excreta pathogenic bacteria in quails.
  Zaib Ur Rehman , Ahsan Ul Haq , Naasra Akram , Mohamed E. Abd El-Hack , Muhammad Saeed , Shahid Ur Rehman , Chunchun Meng , Mahmoud Alagawany , Maryam Sayab , Kuldeep Dhama and Chan Ding
  Objective: The present study was performed to determine the influence of dietary Acetic Acid (AA) supplementation on growth performance, intestinal histomorphology, blood hematology and serum constituents of broilers. Methodology: A total 200 chicks were randomly divided into five experimental groups with four replicates each (10 chicks/replicate) in a complete randomized design experiment. Treatments were as follow: (AA0: control, AA1: basal diet+0.1% acetic acid kg–1, AA2: basal diet+0.2% acetic acid kg–1 and AA3: basal diet+0.3% acetic acid kg–1). Results: The results showed that AA supplementation improved weight gain (p<0.001) and feed conversion ratio (p<0.001). Generally, acetic acid supplementation at 0.3% level improved bird’s performance during 2-6 weeks of age. Increased intestinal length and higher intestinal weight were recorded in AA treated birds. Significant reduction in pH of proventriculus and ventriculus (p<0.01) was observed with in dose related manner. No significant effects were observed on dressing percentage. Histological observations revealed that intestinal morphology professed positive effects under AA treatment. Furthermore, the effect of dietary AA supplementation was significant (p<0.05) only on lymphocytes count and heterophil/lymphocyte ratio. It is obvious that blood of birds fed AA3 diet had the highest concentration of calcium, phosphorous, total protein and globulin comparing with the control diet and other levels of AA. The best results of all parameters were observed in AA3. Conclusion: Based on the results, it could be concluded that AA supplementations in feed employs positive effect on performance and intestinal histomorphology of broilers.
  Li Chang Xing , Dhanasikar Santhi , Abdul Ghaffar Shar , Muhammad Saeed , Muhammad Asif Arain , Akhtar Hussain Shar , Zohaib Ahmed Bhutto , Mohib Ullah Kakar , Robina Manzoor , Mohamed E. Abd El-Hack , Mahmoud Alagawany , Kuldeep Dhama and Mo Chen ling
  Medicinal plants have gained great popularity and their importance is realized world over. Psyllium (Plantago ovata) is a native plant of India. The hydrophilic mucilloid, water-soluble fiber derived from psyllium husk and seed had been used since ancient times as vital curative agent for constipation, mainly as a part of the traditional Indian Ayurvedic medicine. Psyllium is a rich source of fiber and has numerous other therapeutic impacts such as cholesterol lowering, antidiarrhoeal, laxative, antidiabetic, energy increasing, hemorrhoid remedy, soothing inflammation and weight loss agent. Psyllium husk plays a key role in lowering serum cholesterol, so psyllium is being considered as a potential supportive agent in the therapy of hyperlipidemia. The cholesterol level is lowered in different animal models by the binding of psyllium husk with bile acids in the small intestine and thus reducing its absorption. The husk of psyllium could be used as an additive in milk replacer of the neonatal dairy calves to improve the physiological functions and enhance the performance and health status. Psyllium may also has positive impacts in growth and productive performance of different poultry species. The main aim of this review was to discuss the role of psyllium in managing the hypercholesterolemia in humans and the application of psyllium huskas a safe feed additive in poultry farming for the production of organic and low cholesterol designer egg and meat.
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