Publications

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Submitted
Hatem, M. H., R. R. Sadek, and M. Samer, Effect of Shed Height on Dairy Cows' Microclimate and Cooling System Efficiency, , Submitted. Abstract

Egypt has hot dry climatic conditions, temperature reaches its highest degrees at summer months (June, July, and August), the mean maximum temperature for summer months is 41 oC; consequently, there is a great gap between summer temperatures and the upper critical temperature for lactating dairy cows (25 oC), which causes great losses in milk production.

2011
Samoul, A. M., G. Ashour, M. A. M. Ibrahim, M. H. Hatem, and R. R. Sadek, "Impact of different housing systems on Friesian cattle performance.", Egyptian Journal of Physiological Sciences and their Applications, vol. 10, issue 2, 2011. Abstract
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2010
Mohamed, S. A., H. A.M., M. M.M., A. - S. S. A.M., I. M. A.M., and S. R.R., "Estimation of genetic and phenotypic trend of total milk yield of Egyptian buffalo raised at experimental farm in Egypt.", Journal of Animal and Poultry Production, vol. 1, issue 7: Faculty of Agriculturem Mansoura University, pp. 275-281, 2010. Abstract
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Nigm, A. A., and R. R. Sadek, "Genetic Improvement of cattle in Africa and Arab world (Possibilities-Constraints).", The First Regional Forum for Animal Wealth Development, Cairo: The Egyp Veterinary Association of Epidemiology, 2010. Abstract
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Nigm, A. A., R. R. Sadek, and S. Abou-Bakr, "Improving Productivity of local livestock breeds.", The Second Regional Forum for Animal Wealth Development. Cairo: The Egyptian Veterinary Association of Epidemiolog, 2010. Abstract
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2009
Abdel-Salam, S. A. M., S. Abou-Bakr, M. A. M. Ibrahim, R. R. Sadek, A. S. Abdel-Aziz, and J. D. Sattler, "Estimation of breeding values of total milk yield of Egyptian buffalo under different production systems.", Identification, Breeding, Production, Health and Recording of Farm Animals. Proceedings of the 36th ICAR Biennial Session, Niagara Falls, USA, 16-20 June, 2008., issue 13: International Committee for Animal Recording (ICAR, pp. 167-172, 2009. Abstract
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ElWakil, S. I., M. E. Sayed, A. M. Ahmed, R. R. Sadek, and A. A. Nigm, Gnetic and phenotypic parameters of birth, weaning and yearling body weights of Barki sheep raised in the North Western coast of Egypt, : The Egyptian Society of Animal Production, 2009. Abstract
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Attalla, S. A., A. J. Seykora, S. Abou-Bakr, and R. R. Sadek, "Using Minnesota milk Elisa test to evaluate the effect of Johne’s disease on characteristics of dairy herds enrolled in DHIA.", Egyptian Journal of Applied Science, vol. 8, issue A, pp. 1-12, 2009. Abstract
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2008
Ahmed, A. M., S. M. Alsheikh, R. R. Sadek, A. Nardone, and L. Esteruelas, "Sustainable development of mixed farming systems in a newly reclaimed area in Egypt", Mediterranean livestock production: uncertainties and opportunities. Proceedings of the 2nd Seminar of the Scientific-Professional Network on Mediterranean Livestock Farming (RME), Zaragoza, Spain, 18-20 May 2006.: Centre International de Hautes Etudes Agronomiques Méditerranéennes, pp. 31-38, 2008. Abstract
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2007
Ammar, A. K., S. T. R.R. Sadek, and A. A. Nigm, "Impact of research stations on technology transfer in the crop livestock production system", Egyptian J. Anim. Prod., vol. 44, issue 2: Egyptian Society of Animal Production, pp. 205-212, 2007. Abstract
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2006
Hatem, M. H., R. R. Sadek, and M. Samer, "62 A Effects of Cowshed Height on Cooling Efficiency and Microclimate in Hot Climate", VDI BERICHTE, vol. 1958: VDI; 1999, pp. 413, 2006. Abstract
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Nigm, A. A., A. S. Baker, K. Abdel- Rahman, R. R. Sadek, and M. A. Morsy, "Dairy performance characteristics of Holstein and its crosses with European Friesian in a large commercial herd in Egypt.", Journal Agriculture Science, vol. 31: Faculty of Agriculture, Mansoura University, pp. 3407, 2006. Abstract
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Hatem, M. H., R. R. Sadek, and M. Samer, "Effects of shed height and orientation on dairy cowsmicroclimate, cooling system efficiency and milk productivity", Proceedings of XVI CIGR World Congress, pp. 413-414, 2006. Abstract
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Abou-Bakr, S., N. Hamdy, A. F. I. El-Kholy, M. A. M. Ibrahim, R. R. Sadek, and A. A. Nigm, "Genetic parameters for some milk production traits of Holstein cows in a commercial herd in Egypt.", Proc. 13th Conf. Egyptian Soc. Anim. Prod. Cairo, Egypt:10-11 Dec.: Egyptian Society of Animal Production, pp. 15-20, 2006. Abstract
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Abou-Bakr, S., H. O. A. Alhammad, R. R. Sadek, and A. A. Nigm, "Productive and reproductive characteristics of Holstein cows raised under intensive farming system in Egypt.", Egyptian Journal of Animal Production, vol. 43, issue 2: Egyptian Society of Animal Production, pp. 91-98, 2006. Abstractejap_volume_43_issue_2_pages_91-98.pdf

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Nigm, A. A., H. M. Ismail, R. R. Sadek, and M. A. Salem, "Productivity and efficiency indicators of intensive dairy production system in Egypt.", Proc. 13th Conf. Egyptian Soc. Anim. Prod. Cairo, Egypt:10-11 Dec.: Egyptian Society of Animal Production, 2006. Abstract
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Ahmed, A. M., A. M. Hashim, R. R. Sadek, and A. S. Abdel-Aziz, "Salient features of mixed farming system in newly reclaimed land in Egypt.", Proc. 13th Conf. Egyptian Soc. Anim. Prod. Cairo, Egypt:10-11 Dec.: Egyptian Society of Animal Production, pp. 341-351, 2006. Abstract
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Nigm, A. A., Y. M. Mohamed, S. A. Swiefy, A. M. Ahmed, A. S. Tabana, and R. R. Sadek, "Some salient features of dairy farming under the crop/livestock production system in the Nile delta region in Egypt.", Journal Agriculture Science, vol. 31: Faculty of Agriculture, Mansoura University, pp. 2733, 2006. Abstract
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2005
Nigm, A. A., S. A. Abdel-Salam, M. E. Sayed, R. R. Sadek, and A. S. Abdel-Aziz, "Preliminary results on use of the open nucleus breeding scheme for improving milk production of Egyptian buffalo", Egyptian J. Anim. Prod, vol. 42, issue 1, pp. 1-9, 2005. Abstract
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2004
Sadek, R. R., "Buffalo recording program under different production systems in Egypt.", ICAR Technical Series: ICAR,Villa del Ragno,Via Nomentana 134, 00162 Rome, 2004. Abstract
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Hatem, M. H., R. R. Sadek, and M. Samer, "Cooling, shed height and shed orientation affecting dairy cows microclimate", Misr J. Ag. Eng, vol. 21, issue 3, pp. 714-726, 2004. Abstract
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2003
Abdel-Salam, S. A., A. A. Nigm, M. E. Sayed, R. R. Sadek, and A. S. Abdel-Aziz, "Genetic gain of milk production in Egyptian buffalo as affected by population size, nucleus size and selection intensity in open nucleus breeding scheme.", Proc. of 12th Conf. of Egypt. Soc. Anim. Prod.,- Fac. of Agric. Mansoura University.: Egyptian Society of Animal Production, pp. 33-42, 2003. Abstract
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Nigm, A. A., S. A. Attallah, S. Abou-Bakr, and R. R. Sadek, "A Study on Applying Test Day Model for Genetic Evaluation of Milk Yield of Holstein Cattle in Egypt", Egypt J Anim Prod, vol. 40, pp. 89-98, 2003. Abstract
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Nigm, A. A., S. A. Attallah, S. Abou-Bakr, and R. R. Sadek, "A Study on Applying Test Day Model for Genetic Evaluation of Milk Yield of Holstein Cattle in Egypt", Egypt J Anim Prod, vol. 40, pp. 89-98, 2003. Abstract
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2002
Sadek, R. R., "Milk recording under different production systems in Egypt", of the Series: ICAR Technical Series: ICAR, Villa del Ragno, Via Nomentana 134, 00162 Rome, Italy, 2002. Abstract
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Tourism