Production of Functional Kariesh Cheese by Microencapsulation of Bifidobacterium adolescentis ATCC 15704 A.M. Abd-Elhamid Department of Food and Dairy Science andTechnology, Faculty of Agriculture, Damanhour University, Damanhour, 22516, Egypt Abstract Bifidobacterium adolescentis ATCC 15704 was microencapsulated with rennet gelation of milk proteins. Encapsulated and free Bifidobacterium adolescentis ATCC 15704 under simulated gastrointestinal conditions and bile tolerance were estimated. The survivability of encapsulated Bifidobacterium adolescentis ATCC 15704 and the changes of organic acids in Kariesh cheese during 2 weeks of cold storage were determined. The study demonstrated that microencapsulation using rennet gelation of milk proteins increased the survival of Bifidobacterium adolescentis ATCC 15704 in simulated gastric conditions. Furthermore, the results showed that, the survival of encapsulated Bifidobacterium adolescentis ATCC 15704 in bile solution was significantly enhanced (p<0.05) compared to the free Bifidobacterium adolescentis ATCC 15704. Microencapsulation protected Bifidobacterium adolescentis ATCC 15704 in Kariesh cheese during cold storage as compared to free Bifidobacterium adolescentis ATCC 15704. In addition, the capsules made from rennet gelation of milk proteins had a positive effect in organic acids during cold storage. Key words: Bifidobacterium, bile tolerance, microencapsulation, organic acids, Kariesh cheese Publish in : Advance Journal of Food Science and Technology 4(2): 112-117, 2012 ISSN: 2042-4876 © Maxwell Scientific Organization, 2012 Submitted: March 14, 2012 Accepted: March 26, 2012 Published: April 20, 2012 REFRENCES Abd-El-Salam, M.H., S. El-Shibiny and H.A. El-Alamy, 1984. Production of skim milk (Kareish cheese) from ultrafiltered reconstituted milk. Egyptian J. 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Oral glucose supplementation improved semen quality and constituents of seminal and blood plasma of NZW buck rabbits in the subtropics Youssef A Attia1 A E Abd El Hamid1 Fulvia Bovera2 Mohamed El-Sayed1 1 Department of Animal and Poultry Production, Faculty of Agriculture, Damanhour University, Egypt; 2 Department of Scienze Zootecniche e Ispezione degli Alimenti, University of Naples Federico II, Napoli, Italy Abstract The effect of different levels of oral glucose supplementation on reproductive performance of New Zealand white buck rabbits was studied on 12 bucks aged 6–7 months, randomly divided among four groups from February to September. The treatments consisted of supplementing drinking water with 0 (control), 2.5, 5, and 10 g of glucose/L, respectively. Semen was collected twice weekly from April through September. Three samples of blood and seminal plasma were collected for each treatment during August. Semen quality, biochemical constituents of seminal and blood plasma, and testosterone were studied. Oral glucose supplementation of 5 or 10 g/L of drinking water significantly increased semen volume, sperm motility, sperm concentration, live sperm percentage, total sperm output, and total live sperm output and significantly decreased abnormal sperm percentage as compared to the control group. Addition of glucose at 5 g/L water significantly increased blood plasma total protein, albumin, glucose, alanine aminotransferase, and testosterone hormone compared to the control group. Keywords: rabbit, glucose, semen quality, seminal and blood plasma Published in : the following Dove press Journal : Open Access Animal Physiology 17 November 2010 References 1. Daader AH, Askar AA, Abd El-Monem UM. Influence of temperaturehumidity index values on the performance of New Zealand White doe rabbits. Egypt J Rab Sci. 2003;13:157–170. 2. Ahmed NA, Elfar AA, Sakr OG. 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Effect of phytase with or without multienzyme supplementation on performance and nutrient digestibility of young broiler chicks fed mash or crumble diets Youssef A. Attia,1,2Walid S. El-Tahawy,2 Abd El-Hamid E. Abd El-Hamid,2 Saber S. Hassan,2Antonino Nizza,3 Mahmoud I. El-Kelaway2 1 Arid Land Agriculture Department, King Abudlaziz University, Jeddah, Saudi Arabia 2 Department of Animal and Poultry Production, Damanhour University, Egypt 3 Dipartimento di ScienzeZootecniche eIspezionedegliAlimenti, Università di Napoli Federico II, Italy Abstract A total of 210 unsexed 1-day old Arbor Acres broiler chicks were wing banded and randomly distributed among 30 cages of 7 birds per cage keeping equal initial BW during days 1-20 of age. A factorial design (2×3) was used in which there were two feed forms (mash vscrumble diet) and three enzyme treatments (unsupplemented, phytas,e, phytase plus multienzyme). Each treatment was replicated 5 times with 7 chicks per replicate. Body weight (BW), body weight gain (BWG) and feed conversion ratio (FCR) of fed chicks were significantly improved when the crumble diet was administered. However, feed intake of chicks fed on the crumble feeds was significantly lower than those fed the mash diet. Digestibility of ether extract and crude fiber was significantly greater in groups fed the crumble diet than those fed the mash diet. Enzyme supplementation significantly and similarly increased growth and production index, and improved FCR. Also greater digestibility of crude protein and crude ash was observed but growth during days 8-14 of age and crude fibre digestibility were significantly greater in chicks receiving themultienzyme plus phytase supplement than those receiving phytase alone. Crumble feed supplemented with multienzyme resulted in the highest performance and nutrient digestibility of broilers during days 1-20 of age. Key words: Broilers, Form of feeds, Enzymes,Phytase, Digestibility. 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