Dr. Sarah Yousef Abd El-Galil Ahmed
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Dr. Sarah Yousef Abd El-Galil Ahmed

Associate professor
University of Hail, Saudi Arabia

Highest Degree
Ph.D. in Immunology from Zagazig University, Zagazig, Egypt

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Area of Interest:

Animal and Veterinary Sciences
Tropical Disease
Avian Pathology

Research Publications in Numbers


Selected Publications

  1. El-Sayed, S.A.E.G. and S.Y. Ahmed, 2017. Effects of coriander seeds powder (Coriandrum sativum) as feed supplements on growth performance parameters and immune response in albino rats. Int. J. Livestock Res., 7: 191-200.
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  2. Ahmed, S.Y.A. and S.A.A. El-Sayed, 2017. Dietary supplementation by some phytogenic substances in Albino rats: Their effects on growth performance and serum interlukin-6. Int. J. Pharmacol., 13: 274-279.
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  3. Yousef, S. and R. Mamdouh, 2016. Class I integron and β-lactamase encoding genes of multidrug resistance Salmonella isolated from pigeons and their environments. Cell. Mol. Biol., 62: 48-54.
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  4. El-Sayed, SA.E.G.A.E.H. and S.Y.A.E.G. Ahmed, 2016. Evaluation of growth performance, IL-6 and serum biochemical parameters of rats fed on diets containing thyme and ginger powder. Anim. Vet. Sci., 4: 78-85.
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  5. El-Galil, S.Y.A., A.M. Ammar and M.Y. Zaki, 2016. Investigation of ovine mycoplasmal mastitis seroprevalence by Polymerase chain reaction. SYLWAN., 158: 122-128.
  6. Ahmed Sarah, Y.A.E.G., A.E.G.A.H. Sayed Sabry and A.S. Maryam, 2016. Seropositivity of TTIs among blood donors in Hail, Saudi Arabia, from 2014 to 2015. Asian Pac. J. Trop. Dis., 6: 141-146.
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  7. Yousef, S.A., A.M. Ammar and D.A. Ahmed, 2015. Serological and Molecular Typing of Avian Pathogenic E. Coli Originating from Outbreaks of Colibacillosis in Chicken Flocks. Int. J. Sci. Res., 4: 2082-2088.
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  8. Ahmed, S.Y., S.A.A. El-Sayed and W. Al Shammari, 2015. Immunoassay of anti-HCV and seroepidemiological surveillance of hepatitis C virus infection. Egypt. Academic J. Biol. Sci. C Physiol. Mol. Biol., 7: 1-9.
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  9. Ahmed, S.Y., S.A.A. El-Sayed and A.S. Alodily, 2015. Autoimmune hashimoto thyroiditis with special reference to anti-thyroid peroxidase antibodies. Int. J. Res. Stud. Biosci., 3: 157-165.
  10. Ahmed, S.Y. and H.N. Al Shammari, 2015. Helicobacter pylori infection: seroprevalence and detection of H. Pylori IgG by using ELISA. Int. J. Immunol., 3: 21-26.
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  11. Yousef, S. and M. Selem, 2014. Evaluation of prepared polyvalent inactivated oil adjuvant vaccine of P. multocida, M. haemolytica and P. trehalosi isolated from ostrich. J. Anim. Sci. Adv., 4: 675-681.
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  12. Sarah, Y.A., A.K. Uzma and I.E. Asmaa, 2014. Prevalence of Seropositive Toxoplasmosis in Pregnant Women in Hail Region. Int. J. Health Sci. Res., 4: 66-71.
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  13. Galil, S.Y.A., S.A. Gawad and E.E. Ateeq, 2014. Isolation and Identification of Microorganisms Causing Tonsillitis among Children of Hail Region. Int. J. Health Sci. Res., 4: 125-129.
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  14. El-Sayed, S.A.A., S.A. Yousef and N.A. Rashied, 2014. Immunomodulatory and growth performance effects of Ginseng extracts as a natural growth promoter in comparison with oxytetracycline in the diets of Nile tilapia (Oreochromis niloticus). Int. J. Livestock Res., 4: 130-142.
  15. El-Sayed, S.A.A., S.A. Yousef and N.A. Rashied, 2014. Effects Of some herbal plants as natural feed additives in comparison with antibiotic on growth performance and immune status of nile tilapia (Oreochromis niloticus). Int. J. Res. Fish. Aquacult., 4: 22-30.
  16. El-Galil, S.Y.A., D.M. Metwally and N.A. Sarah, 2014. Seroprevalence of TORCH infection in Hail, Saudi Arabia with special reference to detection of Toxoplasma IgG and IgM in patient serum by using ELISA. Mitt. Klosterneuburg, 64: 263-275.
  17. Ammar, A., H. Sultan, I. El-Sayed, S. Yousef and R. Mamdouh, 2014. Seroprevalence of Salmonellosis among Pigeon and its Surrounding Environment and Isolation of Salmonella Species. Int. J. Sci. Res., 3: 1856-1862.
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  18. Ammar, A., A.E. Bialy, S. Yousef and M.E. Nemer, 2014. Evaluation of irradiated vaccine prepared from Salmonella typhimurium isolated from buffalo calves. Int. J. Res. Pure Appl. Microbiol., 4: 10-14.
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  19. Ahmed, S.Y. and M. Selem, 2014. Isolation and serotyping Of Pasteurella Species Affecting Ostrich. Int. J. livestock Res., 4: 121-129.
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  20. Chakraborty, D., C. Guha, U. Biswas, A. Chatterjee and P.S. Jana et al., 2013. Studies on Thermo stability of Newcastle Disease Virus (Local Isolate) for Preparation of Vaccine. Original Res., 10.4172/2157-7579.1000161.
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  21. Ammar, A., G. El-Nobi, R. Kodary, S.Y.A.E. Galil and N. Rasheed, 2012. Echinacea as immunomodulatory agent and alternative growth promoter to oxytetracycline in Nile Tilapia (Oreochromis Niloticus). Zag. Vet. J., 40: 120-125.
  22. Ammar, A., N.M.M. Soby , S.Y.A. El-Galil and E.M. Yousef, 2011. Bacteriological studies on Salmonella species in farm animals. Zag. Vet. J., 39: 24-30.
  23. Ammar, A.M., A. Bahget, S. El-Fiky, Y.A. El-Galil and M.I.A. El-Wahed, 2010. Evaluation of umbilical cord blood C34+ stem cells differentiation into hepatocyte like cells invitro. Egypt. J. Med. Sci., 31: 915-927.