Prof. Dr. Khaled Abd-El Hamid Abd-El Razik Atwa
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Prof. Dr. Khaled Abd-El Hamid Abd-El Razik Atwa

Professor
National Research Center, Egypt

Highest Degree
Ph.D. in Veterinary Medicine from Cairo University, Egypt

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Area of Interest:

Animal and Veterinary Sciences
100%
Veterinary Medicine
62%
Agronomics Science
90%
Animal Production
75%
Animal Health
55%

Research Publications in Numbers

Books
0
Chapters
0
Articles
0
Abstracts
0

Selected Publications

  1. Abd El-Razik, K.A., A.A. Arafa, R.H. Hedia ad E.S. Ibrahim, 2017. Tetracycline resistance phenotypes and genotypes of coagulase-negative staphylococcal isolates from bubaline mastitis in Egypt. Vet. World, 10: 702-710.
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  2. Waffa, W.R., K.A. Abdel-Moein, A.G.A.G. Hegazi, Y.M. Yasmin and K.A. Abd El-Razik, 2016. Molecular phylogeny of Listeria monocytogenes isolated from processed meat products at Giza province of Egypt. J. Genet. Eng. Biotechnol., 14: 119-123.
  3. Reda, W.W., K.A. Abdel-Moein, A.G. Hegazi, Y.M. Yasmin and K.A. Abd El-Razik, 2016. Listeria monocytogenes: An emerging food-borne pathogen and its public health implications. J. Infect. Dev. Countries, 10: 149-154.
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  4. Osman, K.M., K.A. Abd El‐Razik, H.S. Marie and A. Arafa, 2016. Coagulase‐negative staphylococci collected from bovine milk: Species and antimicrobial gene diversity. J. Food Saf., 36: 89-99.
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  5. El Fadaly, H.A., A.M.A. Barakat, S.O. Ahmed, K.A. Abd El-Razik, S.T. Omara, E. Ezzat and M.S. Zaki, 2016. Zoonotic concern of Campylobacter jejuni in raw and ready-to-eat barbeque chickens along with Egyptian handlers and consumers via molecular and immunofluorescent characterization. Der Pharma Chemica, 8: 392-397.
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  6. El Fadaly, H.A., A.M.A. Barakat, K.A. Abd El-Razik, A.S.M. Abuelnaga and E.A. Elgabry, 2016. Incidence of zoonotic Campylobacter jejuni in fast meal meat, grill chickens and symptomatic Egyptians. Afr. J. Microbiol. Res., 10: 608-615.
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  7. Osman, K.M., K.A. Abd El-Razik, H.S.H. Marie and A. Arafa, 2015. Relevance of biofilm formation and virulence of different species of coagulase-negative staphylococci to public health. Eur. J. Clin. Microbiol. Infect. Dis., 34: 2009-2016.
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  8. Hassanain, M.A., H.A. El Bolaky, A.I.H. Younis, E.Y. Abu-Sarea, K.A. Abd El-Razik, H.A. El Fadaly and W.M. Abd El Wahab, 2015. Serological and molecular diagnosis of T. gondii in complicated pregnant Egyptian women. Basic Res. J. Med. Clin. Sci., 4: 231-236.
    Direct Link  |  
  9. El Fadaly, H.A., A.H. Soror, A.M.A. Barakat and K.A. Abd El-Razik, 2015. Zoonotic and histo-pathological aspects of various Toxoplasma gondii strains in female rats. Afr. J. Infect. Dis., 9: 32-38.
    Direct Link  |  
  10. Abd El-Razik, K.A., H.A. El Fadaly, A.M.A. Barakat and Azza S.M. Abu Elnaga, 2014. Zoonotic hazards T. gondii viable cysts in ready to eat Egyptian meat-meals. World J. Med. Sci., 11: 510-517.
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  11. Hassanain, M.A., H.A. El-Fadaly, N.A. Hassanain, R.M. Shaapan, A.M. Barakat and K.A. Abd El-Razik, 2013. Serological and molecular diagnosis of toxoplasmosis in human and animals. World J. Med. Sci., 9: 243-247.
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  12. Bakr, R.O., E.S.A. Omer, K.A. Abd El-Razik, A.S.M. Abu Elnaga, E.N. Danial and A.E.N.G. Elgindy, 2013. Antioxidant and antilisterial activities of selected Egyptian spices. Afr. J. Microbiol. Res., 7: 4590-4595.
  13. Shell, W.S., M.A. Saad, K.A. Abd El-Razik, M.L. Sayed and R.M. Shaapan, 2012. Brucella ovis as a Common Antigen for Rapid Diagnosis of Rough Brucellosis in Cattle and Sheep. Res. J. Microbiol., 7: 68-74.
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  14. Shaapan, R.M., A.M. Abo-ElMaaty, K.A. Abd El-Razik and S.M. Abd El-Hafez, 2012. PCR and serological assays for detection of Toxoplasma gondii infection in sport horses in Cairo, Egypt. Asian J. Anim. Vet. Adv., 70: 158-165.
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  15. Viuda-Martos, M., M.A. Mohamady, M. Fernandez-Lopez, K.A. Abd El-Razik, E.A. Omer, J.A. Perez-Alvarez and E. Sendra, 2011. In vitro antioxidant and antibacterial activities of essentialoils obtained from Egyptian aromatic plants. Food Control, 22: 1715-1722.
  16. Hassanain, M.A., F.A.M. Khalil, K.A. AbdEl-Razik and R.M. Shaapan, 2011. Prevalence and molecular discrimination of Cryptosporidium parvum in calves in Behira provinces, Egypt. Res. J. Parasitol., 6: 101-108.
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  17. Abdel Hafez, S.M., K.A. Abd El-Razik, H.M. Hassan and I. Gad, 2011. Comparative diagnosis of ovine brucellosis using single step blood-PCR with old and new serological tools. Afr. J. Microbiol. Res., 5: 3976-3980.
  18. Abd El-Razik, K.A., Y.F. Ahmed, A.H. Soror and N.D. Enas, 2011. Diagnosis of some mycotic placentitis in small ruminants using PCR in formalin-fixed paraffin embedded tissues. Global J. Biotechnol. Biochem., 6: 72-78.
  19. Abd El-Razik, K.A., S.M. Abd El-Hafez, W.S. Shell and Y.A. Ghazi, 2011. The immunological response of RB51 vaccinated buffalo calves using brucella periplasmic proteins as ELISA antigen. Afr. J. Biotechnol., 10: 10562-10566.
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  20. Abd El-Razik, K.A., K.A. Abdelrahman, S.I. Abd El-Moez and E.N. Danial, 2011. New approach in diagnosis and treatment of bovine mycotic mastitis in Egypt. Afr. J. Microbiol. Res., 5: 5725-5732.
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  21. Abd El-Razik, K.A., A.A. Al-Humiany, W.M. Ahmed, A.M.A Barakat and H.A Elfadaly, 2011. Investigations on non brucella abortifacients in small ruminants in Saudi Arabia with emphasis on zoonotic causes. Global Veterinaria, 6: 25-32.
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  22. Viuda-Martos, M., A.E.N.G.S. El Gendy, E. Sendra, J. Fernandez-Lopez, K.A. Abd El Razik, E.A. Omer and J.A. Perez-Alvarez, 2010. Chemical composition and antioxidant and anti-Listeria activities of essential oils obtained from some Egyptian plants. J. Agric. Food Chem., 58: 9063-9070.
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  23. Hanafi, E.M., E.N. Danial and K.A. Abd El Razik, 2010. Origanum Vulgaris could be a novel antimycotic agent for treatment of mycotic mastitis in goat. Int. J. Acad. Res., 2: 307-313.
    Direct Link  |  
  24. El-Razika, K.A.A., K.A. Abdelrahmanb, Y.F. Ahmeda, A.M. Gomaac and H.A.A. Eldebaky, 2010. Direct identification of major pathogens of the bubaline subclinical mastitis in Egypt using PCR. J. Am. Sci., 6: 652-660.
    Direct Link  |  
  25. Soror, A.H., N.A. Hassan and K.A. Abd El-Razik, 2009. Detection of Brucella melitensis by AMOS-PCR assay and histopathological findings in tissue of serologically positive buffalo-cows. Global Vet., 3: 232-238.
  26. Osman, K.M., K.A. Abd El-Razik, E.E. Barbar, D.Y.H. EL Shafey and A.A. Arafa, 2008. Molecular typing of mycoplasma species recovered from bovine mastitis. Global Vet., 2: 360-368.
    Direct Link  |  
  27. Abd El-Razik, K.A., E.M. Ismail, H.M. Youssef and M.A. Hashad, 2008. Diagnosis of brucellosis in dairy animals using nested polymerase chain reaction. Int. J. Dairy. Sci., 3: 55-62.
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  28. Ghazi, Y.A., M.M.I. Ahmed and K.A. Abd El-Razik, 2007. Immuno-logical and clinic-pathological aspects of abamectin on sheep inoculated with Brucella Rev.1 vaccine. J. Egypt. Vet. Med. Assoc., 67: 63-79.
  29. Abd El-Razik, K.A., Y.A. Ghazi and E.M. Salama, 2007. Monitoring of brucella reactor does following milk examination using different techniques. Pak. J. Biol. Sci., 10: 240-244.
    CrossRef  |  PubMed  |  Direct Link  |  
  30. Abd El-Razik, K.A., H.M. Desoukey and W.M. Ahmed, 2007. Investigations on brucellosis in Egyptian baladi does with emphasis on evaluation of diagnostic techniques. Pak. J. Biol. Sci., 10: 342-348.
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  31. Barakat, A.A., W.S. El-Nattat, H.M. Desouky, K.A. Abd El-Razik and K.G.H. Mahmoud, 2006. Molecular aspect, seminal, chromosomal, hormonal and pathological changes in rabbit bucks experimentally infected with Toxoplasma gondii. Egypt. J. Basic Applied Physiol., 5: 59-76.
  32. Abd El-Razik, K.A., H.M. Desouky and W.M. Ahmed, 2006. Evaluation of different Brucella diagnostic techniques on Baladi does experimentally infected with Brucella melitensis. J. Vet. Res., 10: 219-234.
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  33. Desouky, H.M., K.A. Abdel-Razik and E.A. Nasr, 2005. Pathological and nested PCR on goats experimentally infected with Mycobacterium bovis. Egypt. J. Comp. Path. Clin. Pathol., 18: 18-29.
  34. Desouky, H.M., A.M. Barakat and K.A. Abd El-Razik, 2005. Toxoplasma gondii in rabbits-does: Serological, hormonal, pathological and molecular aspects. Egypt. J. Comp. Path. Clin. Pathol., 18: 145-167.
  35. Barakat, A.M., A. Abdel-Aal, R.A.A. Eid and K.A. Abd El-Razik, 2005. Effects of Toxoplasma gondii on reproduction in rabbits. J. Egypt. Vet. Med. Assoc., 65: 39-55.
  36. Desouky, H.M., K.A. Abd-El Razik and Y.F. Ahmed, 2004. Diagnostic studies on ovine chlamydial abortion. J. Applied Vet. Sci. N.R.C., 1: 95-111.
  37. Ahmed, W.M., K.I. El-Ekhnawy, W.S. El-Nattat, H.M. Desouky, K.A. Abd El-Razik and H.H. El-Khadrawy, 2004. Investigation on calving associated problems in a friesian herd in Egypt with special reference to some prophylactic trials. Egypt. J. Basic Applied Physiol., 3: 65-87.
  38. Atwa, K.A., A. Salem, E.M. Ismail and S.A. Barsoum, 1999. Correlation between blood serum tests and heat inactivation and adsorption techniques in sero-diagnosis of camel brucellosis. Benisuif Vet. Med. J., 9: 87-95.