نشر في مجلات علمية
1. Edeal, B., J. Rumph, R. Mass, K. Killinger, N. Jerves, S. Elnagar, T. McDaneled, R. Aljumaah, U. Pithpongsiriporn, K. Nephawe, G. Martinez, C. D. Gladney, M. F. Allan, and D. Pomp, (2000). Linkage mapping of the mahogany (attractin) locus in cattle and pigs. Journal of Animal Science 78: 2479-2480.
2. Elnagar Samar A., Azza El-Sebai, and M. Abaza, (2001). Manipulation of Thyroidal Activity in Broiler Chicks: I. Birds Performance, Physiological and Biochemical Observations. Egyptian Poultry Science 21(IV): 1101-1119.
3. Azza El-Sebai, M. Abaza, and Samar A. Elnagar, (2002). Relationship between thyroid gland and some reproductive and physiological traits of Japanese quail reared under “short day” photoperiod. Egyptian Poultry Science 22(II): 515-530.
4. Elnagar Samar A., Hanaa M. Khalil, and A.M.H. El-Sheikh, (2002). Estradiol and progesterone levels during an ovulatory cycle of two local strains of laying hens. Egyptian Poultry Science 22(III): 869-878.
5. Abaza, M., Samar A. Elnagar and Azza El-Sebai, (2003). Thyroid effects on semen quality and immune responses of mature Alexandria cockerels. Egyptian Poultry Science 23(III): (721-736).
6. Azza El-Sebai, M. Abaza, and Samar A. Elnagar, (2003). Physiological effects of “Gebberellic acid (GA3)” on female Japanese quail production and reproduction. Egyptian Poultry Science 23(IV): 977-992
7. Elnagar Samar A., (2004).Thyroid hormone administration and growing rabbits metabolism.Egyptian Journal of Rabbit Science 14(1): 49-64.
8. Elnagar Samar A., Hanaa M. Khalil, Maysa M. Hanafy and A.M.H. El-Sheikh, (2005). Thyroid hormone and hens’ reproductive performance of two local strains. Egyptian Poultry Science 25(I): 147-165
9. Elnagar Samar A., H. S. Zeweil, and Basma A.A. Mansour, (2007). Relationship Between Thyroid Gland Hormones and Reproductive Functions in Japanese Quail Kept Under Different Systems of Photoperiod. Egyptian Poultry Science 27 (I): 281-308
10. Elkomy, A.E.A., Samar A. Elnagar, and Azza El-Sebai, (2007). Steroidogenic effects of Gibberellic acid (GA3) on chicks. Egyptian Poultry Science 27 (IV): 1239-1255.
11. Abd-Elhady, A. M., Azza El-Sebai, and Samar A. Elnagar, (2008). Somatotropin (rpST): Its Physiological and Reproductive Role in Doe Rabbits. Egyptian Journal of Rabbit Science, 18 (1): 45-65.
12. Elnagar Samar A., (2009). Response of Alexandria Cockerels Reproductive Status to GnRH (Receptal) Injection. International Journal of Poultry Science, 8 (3): 242-246.
13. Elnagar Samar A., and A.M. Abd-Elhady, (2009). Exogenous Estradiol: Productive and Reproductive Performance and Physiological Profile of Japanese quail Hens. International Journal of Poultry Science, 8(7): 634-641.
14. Elnagar Samar A., (2010). Royal Jelly counteracts bucks’ “Summer Infertility”. Animal Reproduction Science 121: 174-180.
15. Elnagar Samar A., O.M. Elghalid, and A.M. Abd-Elhady, (2010). Royal Jelly: Can it reduce physiological strain of growing rabbits under Egyptian summer conditions? Animal 4 (9): 1547-1552.
16. Elnagar Samar A., (2010). GnRH Analogue (buserelin acetate) Boosts Reproductive Performance in “Old Hens”. Egyptian Journal of Animal Production (in press)
17. S. A. Elnagar, S.E. Scheideler and M. M. Beck, (2010). Reproductive hormones, hepatic deiodinase mRNA, and VIP-immunoreactive cells in hypothalamus in the heat-stress- or chemichally-induced hypothyroid laying hen. Poultry Science (in press)
نشر في مؤتمرات علمية
1. Elnagar, S.A., and M. M. Beck, (1999). Thyroid status and reproductive hormones in hens: Effect of age and thermal stress. pp. 35 in: Proceedings of the Poultry Science Association 88th Annual meeting, August 8-11, Springdale, Arkansas, USA.
2. El-Shaarrawi, G., Samar Elnagar, G. A. Hassan, and M. H. Salem, (2000). Effect of Malathion pesticide and selenium on some physiological parameters of broiler chicks. In: Proceedings of the Xth International Congress on Animal Hygiene, July 2-6, 2000, Maastricht, Netherlands.
3. Elnagar, S.A., and M.M. Beck, (2000). Heat stress-induced hypothyroidism mediates changes in reproductive hormones in laying hens. pp. 15 In: Proceedings of International Poultry Scientific Forum Abstracts, Concurrent Meeting of The Southern Poultry Science Society, The Southern Conference on Avian Diseases, USA. January 17-18, 2000.
4. Beck, M.M., and S.A Elnagar, (2000). VIP-immunoreactive cells increase in hypothalamic nucleus of heat stressed and hypothyroid hens. pp. 78 in: Proceedings of the Poultry Science Association 89th Annual meeting, August 18-20, Montreal, Canada.
5. Abaza, M., Samar Elnagar A., and Azza El-Sebaie, (2003). Reproductive characteristics and immune responses of cockerels under different thyroid status rendered after puberty. pp. In: proceedings of the Poultry Science Association 92nd Annual meeting, July 6-9, Madison, Wisconsin, USA.
6. Elnagar Samar A., Azza El-Sebai, and M. Abaza, (2003). Efficacy of “Alliin” against fattening in Peckin ducks. In: Proceedings of the 2nd World Waterfowl Conference, October 7-9, Alexandria, Egypt.