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Articles by Mohamed Ezzat Abd El-Hack
Total Records ( 3 ) for Mohamed Ezzat Abd El-Hack
  Mahmoud Alagawany , Mohamed Ezzat Abd El-Hack , Mayada Ragab Farag , Ruchi Tiwari , Swati Sachan , Kumaragurubaran Karthik and Kuldeep Dhama
  Protein plays an important role in the diet formulation of poultry to maintain/improve growth, feed utilization, immune functions and maximize productive performance, ensure bird welfare, as well as mitigate environmental risks and pollution by optimizing the use of this nutrient. Also, proteins assist in the biosynthesis of tissues and have many biological functions for growth and renewal of the body. Moreover, proteins exist in forms of hormones and enzymes which play crucial roles in the physiological processes in the body. Layer birds have low dietary Crude Protein (CP) requirements, thus identification of the optimum level of CP in layer diets, for either maximizing productive performance or economic returns of laying hens, requires more and more information/knowledge about birds needs of protein and its impacts on performance parameters and environmental pollution. This biomolecule plays active role in physiological dynamics, in stabilizing the immune barrier and to drive the forces for maintaining the enhanced production performance of layers. The broad goal of the current review is to highlight the importance of CP-diet and its positive and negative effects on body weight change, performance, feed and nutrient utilization, egg production parameters, egg quality criteria as well as chemical composition of egg and its fractions, egg shell quality, blood biochemical parameters, immune function, nutrient digestibility and nitrogen pollution. The discussed concepts and knowledge would be useful for both backyard poultry rearers and poultry industry holders by optimizing the level of crude protein in the fed diet and will definitely be helpful for gaining the economic profits and consumers satisfaction.
  Mohamed Ezzat Abd El-Hack , Mahmoud Alagawany , Mayada Ragab Farag , Ruchi Tiwari , Kumaragurubaran Karthik and Kuldeep Dhama
  In the present era of emerging antibiotic/drug resistance against pathogenic organisms and food safety concerns of their toxic residues as well as slow process of discovering newer antibiotics, there is a dire need for using natural and effective alternatives. In this regard, herbal and aromatic plants and/or their extracts are gaining attention of worldwide researchers. Studies on Nigella sativa (black cumin) seeds show promising results that it could provide a suitable alternative to antibiotics as growth promoter and safeguard various health issues of animals and humans. The seeds of black cumin with thymoquinone as its main active constituent are mainly used for medicinal purposes and could be used as food spice and nutritional supplements. These have beneficial antinociceptive, antimicrobial, growth enhancing, antiparasitic, immunomoulatory, hepatoprotective, analgesic, anti-inflammatory, antioxidative and bronchodilating effects. Blood pressure regulating as well as bile flow stimulating effects have also been observed. Black cumin seeds have been used widely against several diseases, disorders and ailments of humans and animals including bronchial asthma, cough, bronchitis, lung inflammation, microbial infections, fever, dysentery, gastrointestinal problems, gastric ulcers, hypertension, neurodegenerative diseases, epilepsy, alzheimer disease, headache, diabetes, allergy, obesity, back pain, skin diseases, eczema, jaundice, anorexia, conjunctivitis, dyspepsia, rheumatism, diabetes, intrinsic hemorrhages, amenorrhea and immune disorders, which altogether indicate their potent therapeutic values and biomedicinal perspectives. The aim of this study is to provide comprehensive and recent information about the nutritional, healthical, pharmaceutical, therapeutic and biomedical applications and prospects of Nigella sativa seeds in feeding humans, animals and poultry.
  Rab Nawaz Soomro , Rujiu Hu , Yu Qiao , Mohamed Ezzat Abd El-Hack , Imtiaz Hussain Raja Abbasi , Mohamed Abdalla Elsiddig Mohamed , Bello Musa Bodinga , Mahmoud Alagawany , Xiaojun Yang , Junhu Yao and Kuldeep Dhama
  Objective: This study was conducted to evaluate the effects of dietary protein soybean meal (SBM) and cottonseed meal (CSM) sources and Amino Acid (AA) balances on performance, intestinal permeability and morphology in broiler chickens. Methodology: Five hundred and twenty broiler chickens were fed an experimental diet from 21-42 days of age. A completely randomized block design was used with four treatments of SBM+CSM with AA Balance (B) and Imbalance (I) (SBMB and SBMI, SBM+CSMB and SBM+CSMI) were replicated 10 times with 13 broiler chickens per replicate. All respective treatments were kept in the same condition provide the diet twice a day and access to water ad libitum. Results: The results showed that Daily Weight Gain (DWG), Daily Feed Intake (DFI), feed efficiency, Feed Conversion Ratio (FCR), carcass yield and dressing percentage were improved with SBMB in comparison with all treatments. Furthermore, SBMB significantly increased most of morphological findings in the intestinal parts studied. Intestinal permeability was (p<0.05) increased in SBMI and SBM+CSMI treatments. Conclusion: It is concluded that the best performance indices could be obtained by using SBMB carcasses and morphological findings in comparison with other treatments.
 
 
 
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