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 Re: المراعي السعودية تمنح البروفسير السوداني (Re: د. هشام عباس)
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Professor Abdelmalik I. Khalafalla obtained his PhD from the University of Khartoum, Sudan in 1997, and received post-doctoral training as a veterinary virologist at the Federal Research Center for Virus Diseases of Animals in Tuebingen, Germany, April 2001-January 2003. He is currently a full Professor at King Faisal University, Saudi Arabia, where he is currently leading a research team that investigate viruses of camels, including MERS-CoV. He published over 70 research articles, reviews and book chapters. He was the head of the Microbiology Department, Faculty of Veterinary Medicine, University of Khartoum in 2004 and the Director of the Camel Research Center in 2007. He served as the president of the International Society for Camelid Research and Development (ISOCARD) from 2012 to 2015
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*Name: Abdelmalik Ibrahim Khalafalla, MVSc, PhD, AvH
*Nationality: Sudanese
*Date of birth: February 6, 1960.
* Marital status: Married with Four children
*Qualifications: B.V.Mand S (Baghdad; 1984) ; M V Sc (Khartoum, 1987); PhD (Khartoum,1997); AvH Fellowship (Germany; 2003).
* Present title: Professor of Veterinary Medicine
* Present Job: Professor, Research Scientist, Camel Research Centre, King Faisal University, Kingdom of Saudi Arabia
* Present address:
Camel Research Centre, King Faisal University, P.O. Box 1757, Al Hassa,
Kingdom of Saudi Arabia
Tel. +966135897236
Fax +96635893558
Mobile +966548643191
Email: [email protected]
*Major research interest and specialization: laboratory diagnosis of viral diseases of camels with more than 30 publications in peer-reviewed journals
*EMPLOYMENT RECORD:
Designation Nature of work Organization College/
Department Period
From to Duration
Year months
Principal
Research Scientist Research King Faisal University Camel Research Centre 15.06.2012 to continue 3 year 3 months
Expert Research and Development Arab Centre for Studies on Arid Zones and Dry Lands (ACSAD) Animal Resources 06.01.2010-14.06.2012 3 Years 6 months
Director Management/ Research/
Teaching University of Khartoum Camel Research Centre 11.03.2007-05.01.2010 2 year 2 months
Head Department/University Professor Management/Teaching/ Research University of Khartoum Dept. of Microbiology, Faculty of Veterinary Medicine 04.04.2004-10.03.2007 3 years 11 months
Associate
Professor Teaching and Research University of Khartoum Dept. of Microbiology, Faculty of Veterinary Medicine 02.04.2000-03.04.2004 4 years
Post-Doctoral fellow Research Federal Research Center for Virus Diseases of Animals, Tuebingen, Germany Department of Immunology 04.04.2001-21.12.2003 1 year 8 months
Assistant Professor Teaching and Research University of Khartoum Dept. of Microbiology, of Veterinary Medicine
26.05.1995-03.04.2000 5 years 11 months
Research Assistant/Researcher Research Veterinary Research Institute, Sudan Dept. of Virology 06.05.1989-25.05.1995 6 year
MSc student Research University of Khartoum Dept. of Microbiology, Faculty of Veterinary Medicine 06.07.1985-23.08.1987 2 year
*Selected research achievements
Title Year Role
1 First molecular characterization of camel contagious ecthyma viruses from the Sudan 2015 Principle investigator
2 Development of the first multiplex PCR method for the diagnosis and differentiation of three camel diseases (Camel pox, contagious ecthyma and Papillomatosis) 2015 Principle investigator
3 Development of a live attenuated camelpox vaccine 2012 Supervisor of Ph.D student
4 Detection of a Novel NSP1 genotype characterized in an African camel G8P[11] rotavirus strain 2013 Co-investigator
5 First characterization of the complete genomes of Camelus dromedarius papillomavirus 2011 Co-investigator
6 First detection of BVD, BHV-1, PI3, RSV, PPR and Adeno respiratory viruses in dromedary camels. 20092010 Co-investigator
7 First use of Polymerase chain reaction (PCR) for rapid diagnosis and differentiation of para-and orthopox virus infections in camels 2003 Principle investigator
8 First isolation and characterization of camelpox virus in the Sudan 1996 Principle investigator
9 First detailed epidemiological study on pox and pox-like diseases of camels 1994-1997 Principle investigator
*Institution Building Activities
Activities Level of Involvement
1 While working at the Camel Research Centre, King Faisal University established a research unit for molecular diagnosis of camel diseases supervised purchase, installation and operation of various lab equipment. Major role
2 While working at the Arab Centre for Studies of Arid Zones and Dry Lands (ACSAD), established a training and research farm of dromedary camels including pen design, purchase of animals, ration formulation and health program that involve disease control measures. Leading role
3 While working at the Camel Research Centre, University of Khartoum established a training and research farm of dromedary camels and a research and diagnostic lab for studies of camel production and health Leading role
4 While working at Dept. of Microbiology, Faculty of Veterinary Medicine, University of Khartoum established a molecular diagnostic laboratory with a donation from Alexander von Humboldt Foundation, Germany Leading role
*Trainings attended in the relevant field of specialization
Title Duration Institution Techniques learned
Molecular Characterization of Camel Contagious Ecthyma Virus June 5, 2001 to December 14, 2002 Federal Research Center for Virus Diseases of Animals, Tuebingen, Germany Viral Nucleic acid extraction, gel-based and real time Polymerase chain reaction [PCR], Restriction enzyme analysis, Southern hybridization, western hybridization, sequencing and phylogenetic analysis
*Professional experience:
Job title Place/ duration Activities
Principal
Research Scientist King Faisal University, Camel Research Centre/ 2012 to now Research: conduct research on diseases of camels and participate in the diagnosis of camel diseases of cases brought to the King Faisal Veterinary Hospital.
Consultation: provide consultation to the veterinary authorities at Al-Ahsa province on camel diseases
Expert on camel development and health Arab Centre for Studies of Arid Zones and Dry Lands (ACSAD), January 2010 to June 2012 Responsible for executing and follow up of camel developmental projects in Arab countries, including a technical and feasibility study for the establishment of a Camel ranch in the republic of Algeria and a project entitled Assessment and improving camel milk production and marketing in Sudan, Algeria and Morocco, funded by the International Fund for Agricultural Development (IFAD). Besides, I also conducted research on camel production systems and diseases in Syria and fattening camel calves with agricultural byproducts. I was also responsible for the Animal Health and Trans-boundary diseases project at ACSAD. Duties involve set up and monitoring Health Programs to control diseases and making routine health status examinations of sheep, goats and camels in two research stations in Syria.
Director Camel Research Centre, University of Khartoum/2007-2010 Oversee the management of staff in the center, develop research strategies to deliver high quality research, manage financial, staffing and other resources, contribute to setting objectives and priorities for research, develop interdisciplinary activities with other departments and institutions
Department Head Department of Microbiology, Faculty of Veterinary Medicine, 2005- 2007 Provide academic leadership in Veterinary Microbiology, promote the interests and reputation of the department, develop departmental research strategies, manage applications for research funding, assure academic quality and standards, develop interdisciplinary activities with other departments and institutions and allocate teaching and administrative duties appropriately
University staff member Department of Microbiology, Faculty of Veterinary Medicine, November 1995- 2010 Teaching: Teaching Advance General Virology and Advance Special Virology courses to Master students, Department of Microbiology, Faculty of Veterinary Medicine, University of Khartoum, 2003-2009.Teaching Molecular Biology course to Master students, Department of Microbiology, Faculty of Veterinary Medicine, University of Khartoum, 2003-2009.
Diagnosis: I was fully engaged in the diagnosis of animal diseases in animals and management of cases brought into the Faculty Hospital as well as routinely participated in carrying out hospital rotations. As shown in the list of my publications a number of diseases affecting camels, sheep, goats, cattle and poultry were investigated and documented, that resulted in a broad-based clinical experience.
Fully engaged in the diagnosis of animal diseases and management of cases brought into the lab. A number of viral diseases affecting camels, sheep, goats, cattle and poultry were investigated and documented, that resulted in a broad-based clinical experience
Research: conduct research and supervise post-graduate research
Research scientist Veterinary Research Institute (CVRL), 1989-1995 Duties involved writing and submitting applications and progress reports to funding bodies, planning and conducting experiments and analyzing/ interpreting the results, sharing the results of research with colleagues through presentations or discussions, attending scientific meetings and conferences
*Research Grants received (Successful history of securing international and local funds for research)
Funding organization Project title Date Total fund received Role
1 Alexander von Humboldt Foundation / Germany Introduction of Molecular Biology Techniques for Improving Diagnosis of Animal Viral Diseases in Sudan Started 2002- ended 2005 20,000 Euros Principle investigator
2 FAO/IAEA Assessment of Effectiveness of Vaccination against Newcastle Disease in Village Poultry in Africa Started 1999- ended 2004 20,000 USD Research grant holder
3 International Foundation for Science (IFS) Pox and pox-like diseases of camels. Started 1994-ended 1997, renewed 1998-ended 2001. 24,000 USD Research grant holder
4 Ministry of Higher Education and Scientific Research, Sudan. Production and use of a killed vaccine against Infectious bursal disease (IBD) from a recent local isolate Started 2004-ended 2005 450, 000 Sudanese Dinars. Principle investigator
5 Ministry of Higher Education and Scientific Research, Sudan. Improving Diagnosis of Animal viral Diseases in Sudan through Application of Molecular Biology Techniques. Started 2004-ended 2005 600, 000 Sudanese Dinars Research grant holder
6 The Arab Organization for Agricultural Development (AOAD) Improving diagnosis of Foot and Mouth Disease in Sudan by Introduction of ELISA and PCR Started 2003-ended 2004 2,000 USD Research grant holder
7 University of Khartoum Role of Passerformes Birds in Transmission of Newcastle Disease, MVSC. Research project funded by University of Khartoum, 1985. Started 1985-ended 1987 1000 Sudanese Pound Research grant holder
*Linguistic Skills
language Proficiency
1 Arabic Mother tongue
2 English Excellent command
3 German Good command
*Work experience with international organizations
Organization Activity Duration Description
World Animal Health Organization (OIE) Member of the ad hoc group on camelids diseases 2011-to continue Group duties involve discussing bacterial, parasitic and viral disease of camelids including dromedary camels, bactrian camels and South American camelids, identify the priority diseases for each of the three categories of camelidae and availability of diagnostic tests validated for camelids and provide consultations to OIE
International Fund for Agricultural Development (IFAD)/ ACSAD Project manager 2011-2012 Management of ACSAD/IFAD project entitled ` and Assessment and Improving Camel Milk Production and Marketing in Some Arab Countries`
FAO/IAEA Researcher 1999-2002 FAO/IAEA Project on Assessment of Effectiveness of Vaccination Against Newcastle Disease in Village Poultry in Africa
International Foundation for Science (IFS) Researcher Started 1994 ended 1997, renewed 1998 ended 2001 Project on Pox and pox-like diseases of camels.
*International Scientific and Professional Societies
Society Position Period
1 International Society of Camelids Research and Development (ISOCARD) Chairman February 2012-June 2015
2 International Society of Camelids Research and Development (ISOCARD) General Secretory June 2009- February 2012
3 International Society of Camelids Research and Development (ISOCARD) Member June 2006- to continue
4 World Academy of Science, Engineering and Technology (WASET) Member January 2015- to continue
5 The New York Academy of Sciences Member June 2002- June 2005
*Books and book chapters
Book title Authors Publisher Year
1 Manual of Camel Diseases (Book in Arabic) Khalafalla, A.I and Agab, H The Arab Center for Studies on Arid Zones and Dry Lands (ACSAD) 2012
2 Camel Production Prospects in the Arab Countries In: Agab, H and Al Asaad, A (editors): Deliberations and Papers Presented to the Second Coordination Meeting of the Project Assessment and Improving Camel Milk Production and Marketing in Some Arab Countries, Rabat, Morocco, 29 April -3 May, 2012 (Book in Arabic) Khalafalla, A.I The Arab Center for Studies on Arid Zones and Dry Lands (ACSAD) 2013
3 Socio- economic Study on Camel Breeders in Syria (Book in Arabic). Sagr, I., Khalafalla, A.I.,Mahmoud, M.S.A.,Abdo,Z., Hemsi, O and Hussein,A The Arab Center for Studies on Arid Zones and Dry Lands (ACSAD) 2013
4 Socio-economic Characteristics of Camel Milk Consumers in Sudan. Mahmoud, M.S.A., Khalafalla, A.Iand El Bashier, M.E.M The Arab Center for Studies on Arid Zones and Dry Lands (ACSAD) 2013
*Research Experience
Diversified practical and research experience in Microbiology, with emphasis on viral diseases of animals.
*Practical Skills
Cell culture technology:
• Preparation of primary cell culture
• Expanding mammalian cells cultures using standard aseptic techniques
• Dealing with different types of cell lines.
• Various virus assays in cell culture
Virus assays:
• Virus isolation and propagation.
• Infectivity titration
• Plaque assay.
• Transfection
Electron microscopy:
• Negative contrast electron microscopy
• Ultra-thin section of tissues; preparation, staining and examination
Molecular biology work:
• DNA and RNA extraction
• Gel-based PCR and qPCR.
• Agarose and polyacrylamide gel analysis
• Molecular cloning techniques
• Restriction enzyme analysis
• Molecular cloning
• DNA sequence analysis
• Construct a phylogenetic tree
• Loop-mediated isothermal amplification (LAMP)
Protein:
• Protein analysis using SDS-polyacrylamide gels and Western blotting.
Serology, immunology and biological assays:
• ELISA
• Immunofluorescence
• Serum Neutralization Assay
• Hemagglutination and Hemagglutination Inhibition assays
• Agar Gel Precipitation Test
• Cell-mediated immune response
• Immunohistochemistry
Microbiology:
• Light microscopy
• Bacterial culture identification
*Consultancy activities:
1- Member of the Consultancy Committee on Control of Infectious Diseases of The Ministry of Animal Resources and Fisheries, Sudan,2007-2009
2- Member of the High Emergency Committee on Avian Influenza of the Ministry of Animal Resources and Fisheries, Sudan 2005-2007.
3- Headed the Consultancy Group on Foot and Mouth Disease of The Ministry of Animal Resources and Fisheries, Sudan, 2006-2009.
4- Member of the ad hoc group on diseases of camelids, Office International of Epizootics (OIE), Paris, France.
*Teaching:
1- Teaching Veterinary Microbiology Course to third class Veterinary undergraduate students, Faculty of Veterinary Medicine, University of Khartoum. I have taught this course from 1996 until 2009.
2- Teaching Advance General Virology and Advance Special Virology courses to Master students, Department of Microbiology, Faculty of Veterinary Medicine, University of Khartoum, 2003-2009.
3- Teaching Molecular Biology course to Master students, Department of Microbiology, Faculty of Veterinary Medicine, University of Khartoum, 2003-2009.
4- Teaching Human Virology course to Master students, Faculty of Basic Medical Laboratories, Omdurman Islamic University, 2006-2008.
5-Teaching Human Virology course to undergraduate students, Faculty of Medical Sciences, Ahlia University, Omdurman, Sudan, 2007-2009.
6- Teaching Microbiology and Molecular Biology courses for under and post graduate students at many universities and institutes in Sudan, 1995-2009.
*Conferences and workshops:
1- Poultry Viral Vaccines in Africa. FAO workshop, Central Veterinary Research Laboratories, Soba. 1-5 September 1989.
2- The eighth Arab Veterinary Conference, March 24-28, 1998. Friendship Hall, Khartoum, Sudan
3- The Third Annual Meeting for Animal production Under Arid Conditions. May 2-3, 1998 Intercontinental Hotel, Al Ain, United Arab Emirates.
4- The fourth Scientific Conference, National Centre for Research. April 8-10, 1999. Friendship Hall, Khartoum, Sudan.
5- The International Workshop on: The Young Camel, Future of Camel Stock. 24-26 October 1999, Paais des Congres, Ouarzazate, Morocco.
6-The Second Coordination Meeting of the FAO/IAEA Co-ordinated Research Program on Assessment of the effectiveness of vaccination strategies against Newcastle Disease and Gumboro Disease using immunoassay-based technologies for increasing farmyard poultry production in Africa. 4-8 September 2000, Morogoro, Tanzania.
7- The ninth Arab Veterinary Conference, 14-16 November 2000, Baghdad, Iraq.
8- The 10th International Conference of the Association of International Tropical Veterinary Medical Institutes, August 20-23, 2001, Copenhagen, Denmark.
9-FAO/IAEA International Symposium on Application of Gene-based Technologies for Improving Animal Production and Health in Developing Countries, 6-10 October, 2003, Vienna, Austria.
10-The Final Research Co-ordination Meeting on the FAO/IAEA Co-ordination Research Program on the Assessment of the effectiveness of vaccination strategies against Newcastle Disease and Gumboro Disease using immunoassay-based technologies for increasing farmyard poultry production in Africa, 24-28 May, 2004, IAEA, Vienna.
11-The 11th International Conference of the Association of Institutions of Tropical Veterinary Medicine, August 23-27, 2004, Sunway Lagoon Resort Hotel, PJ, Malaysia.
12- The International Conference on Emerging Infectious Diseases. Faculty of Medicine United Arab Emirate University, Al Ain, UAE, 26 March- April 1, 2005.
13-First Conference of the International Society of Camelids Research and Development (ISOCARD), Al –Ain Rotana Hotel, Al Ain, United Arab Emirates, April 15 -17, 2006.
14- The International Conference on Camels, Al Gassem University for Agriculture and Veterinary Medicine, Al Gassem, Saudi Arabia, May 10-12, 2006.
15- The 12th International Conference of the Association of Institutions of Tropical Veterinary Medicine, Montpellier, France 20-22 August 2007,
16-Second Conference of the International Society of Camelids Research and Development (ISOCARD), Djerba, Tunis, March 11 -14, 2009.
17-Third Conference of the International Society of Camelids Research and Development (ISOCARD), Muscat, Sultanate of Oman, January 28 –February 1, 2012.
18-The XIII International Conference on Veterinary and Biomedical Sciences organized by the World Academy of Science, Engineering and Technology (WASET), March 23-24 2015, Prague, Czech Republic
19-The fourth Conference of International Society of Camelids Research and Development (ISOCARD) “Silk Road Camel: The Camelids, Main Stakes for Sustainable Development” June 8-12, 2015 Almaty, Kazakhstan
Consultancy activities:
1- Member of the High Emergency Committee on Avian Influenza of the Ministry of Animal Resources and Fisheries, Sudan 2005-2007
2- Member of the Consultancy Committee on Control of Infectious Diseases of The Ministry of Animal Resources and Fisheries, Sudan,2007-2009
3- Headed the Consultancy Group on Foot and Mouth Disease of The Ministry of Animal Resources and Fisheries, Sudan, 2006-2009.
4- Member of the ad hoc group on diseases of camelids, Office International of Epizootics (OIE), Paris, France.
Editorials:
1- Member of editorial board of The Arab Journal for Arid Environment published by The Arab Centre for Studies on Arid Zones and Dry Lands (ACSAD).
2- Member of editorial board of Trends in Clinical Research
3- Member of editorial board of Pathogen and Infectious Disease
*List of publications:
1. Abdelmalik Khalafalla, Ibrahim El-Sabagh, Khalid Al-Busada, Abdullah Al-Mubarak, Yahia Ali (2015). Phylogenetic analysis of eight Sudanese camel contagious ecthyma viruses based on B2L gene sequence. Virology Journal 2015, 12:124 (12 August 2015).
2. Khalafalla AI, Al-Busada KA, El-Sabagh IM (2015). Multiplex PCR for rapid diagnosis and differentiation of pox and pox-like diseases in dromedary Camels. Virol J. 2015 Jul 7;12:102. doi: 10.1186/s12985-015-0329-x.
3. Khalafalla AI, Xiaoyan Lu, Abdullah I.A. Al-Mubarak, Abdul Hafeed S. Dalab, Khalid A.S. Al-Busadah, and Dean D. Erdman (2015). MERS-CoV in Upper Respiratory Tract and Lungs of Dromedary Camels, Saudi Arabia, 2013–2014. Emerging Infectious Diseases. 2015 Jul;21(7):1153-8. doi:10.3201/eid2107.150070
4. Saeed IK, Ali YH, AbdulRahman MB, Mohammed ZA, Osman HM, Taha KM, Musa MZ, Khalafalla AI (2015).Mixed infection of peste des petits ruminants virus (PPRV) and other respiratory viruses in dromedary camels in Sudan, an abattoir study. Trop Anim Health Prod. Jun;47(5):995-8. doi: 10.1007/s11250-015-0798-3. Epub 2015 Apr 24.
5. Abdellatif, M.M, Ibrahim, A.A. and Khalafalla A.I (2014). Development and evaluation of a live attenuated camelpox vaccine from a local field isolate of the virus. Rev. sci. tech. Off. int. Epiz., 2014, 33 (3), 831-838
6. Ali, Y.H., Intisar, K. S and Khalafalla, A. I (2014).Outbreaks of Peste des petits ruminants in two different localities in Sudan. Journal of Veterinary Medicine and Animal Health Vol.6 (6), 174-177.
7. Intisar KS, Ali, YH, Taha, K M, Musa, MZ and Khalafalla, AI (2014). Isolation of some respiratory viruses from camels. Int. J. Livest. Prod. Vol.5 (1), 1-5.
8. Jere KC, Esona MD, Ali YH, Peenze I, Roy S, Bowen MD, Saeed IK, Khalafalla AI, Nyaga MM, Mphahlele J, Steele D, Seheri ML (2013). Novel NSP1 genotype characterised in an African camel G8P[11] rotavirus strain. Infect Genet Evol. 21C:58-66.
9. Abdellatif MM, Salim B, Ibrahim AA, Asil T, Khalafalla AI (2013). Analysis of TK and C18L genes of wild-type and cell culture passaged camelpox virus. Virol Sin. 28(4):239-241.
10. Sagr, I., Khalafalla, A.I.,Mahmoud, M.S.A.,Abdo,Z., Hemsi, O and Hussein,A (2013). Socio- economic Study on Camel Breeders in Syria (Book in Arabic). Published by The Arab Center for Studies on Arid Zones and Dry Lands (ACSAD), Damascus.
11. Khalafalla, A.I (2013). Camel Production Prospects in the Arab Countries. In: Agab, H and Al Asaad, A (editors): Deliberations and Papers Presented to the Second Coordination Meeting of the Project Assessment and Improving Camel Milk Production and Marketing in Some Arab Countries, Rabat, Morocco, 29 April -3 May, 2012. Published by The Arab Center for Studies on Arid Zones and Dry Lands (ACSAD), Damascus, pp 6-15.
12. Mahmoud, M.S.A., Khalafalla, A.Iand El Bashier, M.E.M (2013). Socio-economic Characteristics of Camel Milk Consumers in Sudan. In: Agab, H and Al Asaad, A (editors): Deliberations and Papers Presented to the Second Coordination Meeting of the Project Assessment and Improving Camel Milk Production and Marketing in Some Arab Countries, Rabat, Morocco, 29 April -3 May, 2012. Published by The Arab Center for Studies on Arid Zones and Dry Lands (ACSAD), Damascus, pp 16-47.
13. Khalafalla, A.I and Bornstein, S (2012). Emerging Infectious Diseases of Camelids. Proc. Third Conference of the International Society of Camelids Research and Development (ISOCARD), Muscat, Sultanate of Oman, January 28 –February 1, 2012, Keynote Presentation, pp.65-74.
14. Abdellatif, M. M; Mysaa,A. M; Khalafalla, A. I and EL Tigani-Asil, E. A (2012). Improving Thermostability of A Candidate Live Attenuated Camelpox Vaccine. Sudan Journal of Science and Technology Vol. 13, No.1, 6-11.
15. Ure, A. E. , Elfadl, A.K. , Khalafalla, A. I. , Gameel, A. A. R. , Dillner, J. and O. Forslund (2011). Characterization of complete genomes of Camelus dromedarius papillomavirus 1 and 2. Journal of General Virology. 2011 92(8):1769-77.
16. Kwiatek,O, Ali,Y.H , Intisar, K. Saeed, Khalafalla ,A.I, Ishag, O, Abu Obeida, A , Abbas,Z , Albina, E, Lancelot, R, Libeau, G (2011). Asian lineage of peste des petits ruminants virus, Africa. Emerging Infectious diseases. 2011 Jul;17(7):1223-31.
17. Ali Y. H, Khalafalla A.I, Intisar,K .S Salwa A. E Steele A.D (2011). Rotavirus infection in Human and Domestic Animals in Sudan. Journal of Science and Technology, 12 (4) ,pp:58-63
18. Khalafalla AI, Saeed IK, Ali YH, Abdurrahman MB, Kwiatek O, Libeau G, Obeida AA, Abbas Z (2010). An outbreak of peste des petits ruminants (PPR) in camels in the Sudan. Acta Trop. 2010 Nov;116(2):161-5.
19. Khalil AA, Khalafalla AI (2010). Analysis and effect of water sources used as diluents on Newcastle disease vaccine efficacy in chickens in the Sudan. Trop Anim Health Prod. 43:295-297.
20. Intisar KS, Ali YH, Khalafalla AI, Mahasin EA, Amin AS (2010). Respiratory syncytial virus infection of camels (Camelus dromedaries). Acta Trop. 113(2):129-33.
21. Intisar KS, Ali YH, Khalafalla AI, Rahman-Mahasin EA, Amin, AS andTaha,KM (2010). The first report on prevalence of pestivirus infection in camels in Sudan. Trop. Anim Health Prod. 42:1203-1207.
22. Intisar1,K.S. Ali, Y.H, Khalafalla, A. I, Taha, K. M. and M. E. A. Rahman (2010). Adenovirus type 3 infections in camels in Sudan. African Journal of Microbiology Research Vol. 4(13), 1356-1358.
23. Intisar KS, Ali YH, Khalafalla AI, Rahman-Mahasin EA, Amin, AS (2009). Respiratory infection of camels associated with parainfluenza virus 3 in Sudan. Journal of Virological Methods 163(1):82-86.
24. Saeed IK, Ali YH, Khalafalla AI, Rahman-Mahasin EA (2009). Current situation of Peste des petits ruminants (PPR) in the Sudan .Trop. Anim Health Prod. 42(1):89-93.
25. Sheikh Ali HM, Khalafalla AI, Nimir AH (2009). Detection of camel pox and vaccinia viruses by polymerase chain reaction. Trop. Anim Health Prod. 41(8):1637-41.
26. Intisar KS, Ali YH, Khalafalla AI, Mahasin EA, Amin AS (2009).Natural exposure of Dromedary camels in Sudan to infectious bovine rhinotracheitis virus (bovine herpes virus-1). Acta Trop. 111(3):243-6.
27. Sheikh Ali HM, Nimir AH, Khalafalla AI (2009). Growth characteristic of Camel pox and Vaccinia viruses in embryonated eggs and cell culture. Trop. Anim Health Prod. 41(3):393-6.
28. Ali, Y.H; Khalafalla, A.I; El Amin, M.A; Peenze, I and Steele, A.D (2008). Detection and Isolation of group A Rota viruses from camel calves in the Sudan. Veterinarski Arhiv 78 (6), 477-485.
29. Khalafalla, A.I and Ali, Y.H (2007). Observations on Risk Factors Associated with Viral Diseases of Camels in Sudan. Proceedings of the 12th International Conference of the Association of Institutions of Tropical Veterinary Medicine, Montpellier, France 20-22 August 2007, pp 101-105.
30. Hashim, WM., Galal, MY., Ali, AM., Khalafalla, AI., Hamid, SA., Mohamed, KA. Dromedary camels in Sudan, types and sub types, distribution and movement (2015). International Journal of Pharmaceutical Research and Analysis, 5(1), 8-12.
31. Khalafalla, A.I, Rziha, H.J and Buettner, M (2006). Isolation and Molecular Characterization of the Camel Contagious Ecthyma Virus. Proceedings of The International Conference on Camels, Al Gassem University for Agriculture and Veterinary Medicine, Al Gassem, Saudi Arabia, May 10-12, 2006, p 387 – 396.
32. Ali, Y.H; Khalafalla, A.I; El Amin, M.A; Peenze, I and Steele, A.D (2005). Rotavirus-Associated Camel Calf Diarrhea in Sudan. Journal of Animal and Veterinary Advances 4 (3): 401-406.
33. Ali, Y.H; Khalafalla, A.I and El Amin, M.A (2005). Epidemiology of camel calf diarrhea in Sudan: Seroprevalence of camel rotavirus infection. Journal of Animal and Veterinary Advances 4 (3): 393-397.
34. Abdel-Latif, M. M. and Khalafalla,A.I (2005). Detection by PCR of Multiple Subgroups of Avian Leukosis Virus (ALV) in Broilers in the Sudan. Journal of Animal and Veterinary Advances 4(3): 407-413.
35. El Shafie, N.O; Khalafalla,A.I, Ibrahim,A.A and N.A.Ashor (2005). Investigation on Viral Arthritis in Broiler Chickens in Khartoum, Sudan. Journal of Animal and Veterinary Advances 4 (1): 145-149.
36. Ali, Y.H; A.I.Khalafalla; M.E.Gaffar; I. Peenze and A.D.Steele (2004). Detection and isolation of group A rotavirus from camel calves in Sudan. Proceedings of the 11th International Conference of the Association of International Tropical Veterinary Medical Institutes, August, 23-27, 2004, Sunway Lagoon Resort Hotel, PJ, Malaysia, pp 302-304.
37. Khalafalla, A.I (2004). Biological properties of camel contagious ecthyma virus. Proceedings of the 11th International Conference of the Association of International Tropical Veterinary Medical Institutes, August, 23-27, 2004, Sunway lagoon Resort Hotel, PJ, Malaysia, pp 278-280.
38. Khalafalla, A.I;S.A.Abdelaziz; S.M.El Hassan (2006). Increasing family poultry production in the Sudan through Newcastle disease control and improving housing. In: Improving Farmyard Poultry Production in Africa: Interventions and Their Economic Assessment. Proceedings of the Final Research Co-ordination Meeting Organized by the Joint FAO/IAEA Division of Nuclear Techniques in Food and Agriculture and held in Vienna, 24 – 28 May 2004.IAEA-TECDOC-1489, pp 220-227.
39. Khalafalla, A.I; W. Hassan; M.El Nur; A.S.Ali (2006). Observations on production, laboratory testing and field application of I-2 thermostable Newcastle disease vaccine in the Sudan. In: Improving Farmyard Poultry Production in Africa: Interventions and Their Economic Assessment. Proceedings of the Final Research Co-ordination Meeting Organized by the Joint FAO/IAEA Division of Nuclear Techniques in Food and Agriculture and held in Vienna, 24 – 28 May 2004.IAEA-TECDOC-1489, pp 228-235.
40. El Hassan. O.M., A.I.Khalafalla, S.M.El Hassan (2004). Detection of antibodies against camel contagious ecthyma in Sudan using passive hemagglutination test (PHT). Journal of Animal and Veterinary Advances 3 (6) 381-387.
41. Saeed, I.K; A.I.Khalafalla, S.M.El Hassan, M.A.El Amin (2004). Peste de Petit Ruminants (PPR) in the Sudan: Investigation of recent outbreaks, virus isolation and cell culture spectrum. Journal of Animal and Veterinary Advances 3 (6) 361-365.
42. Khalafalla, A.I; M.Büttner and H.-J. Rziha (2005). Polymerase chain reaction (PCR) for rapid diagnosis and differentiation of para-and orthopox virus infections in camels. Applications of Gene-Based Technologies for Improving Animal Production and Health in Developing Countries, pp 335-342. FAO/IAEA Publications, ISBN: 1-4020-3311-7 SPRINGER.
43. Sana, A.A; Khalafalla, A.I; Ali, A.S and S.M.Elhassan (2004). Newcastle disease in village chickens in the Sudan. Survey of disease incidence and Isolation of the causative virus. Journal of Animal and Veterinary Advances 3 (1):36-38.
44. Hassan, W; A.I.Khalafalla (2003). The effect of age of chickens on the immunogenicity and protective efficacy of Newcastle disease virus thermostable (I 2) vaccine under Sudan conditions. Sudan J. Veterinary Research Vol.18, 15-24.
45. Abdelaziz, S.A; Khalafalla, A.I and Ali, A.S (2003). Newcastle disease in the Sudan. Prevalence of antibodies against the disease. Bull. Anim. Hlth. Prod. Afr. 50 No 2,117-119.
46. Khalafalla, A.I; G.A. El Dirdiri (2003). Laboratory and field investigation of live attenuated and inactivated camelpox vaccines. Journal of camel Practice and Research,10 No.2, 191-200.
47. Khalafalla, A.I ; S.Awad and W.Hassan (2002). Village poultry production in the Sudan. In: Characterization and parameters of family poultry production in Africa. Results of a FAO/IAEA Co-ordination Research Program. Backhuys Publishers, Leiden (2002) ISBN 90-5782-094-3, pp 87-93.
48. Ali, Y.H; Khalafalla, A.I; Intisar.K.Saeed (2001). Seromonitoring of Infectious bursal disease (IBD) antibodies in some poultry flocks in Sudan. Sudan J. Vet. Sci. and Anim. Husb. 40 (1, 2), 45-55.
49. Khalafalla, A.I and S.Awad (2001). Epidemiology of Newcastle disease in village poultry in the Sudan. In: Livestock Community and Environment, Proceedings of the 10th International Conference of the Association of International Tropical Veterinary Medical Institutes, August, 20-23, 2001, Copenhagen, Denmark, pp 181-187.
50. Khalafalla, A.I (2000). Camel breeds in the Sudan. Al Buhuth , Vol.8. No.1,. Proceedings of the 4th Scientific Conference, National Centre for Research. Khartoum , Sudan. pp 233-241
51. Khalafalla, A.I (2000) Camel contagious ecthyma: Risks in young calves. Revue Elev.vet. Pays trop 53 (2);173-176.
52. Khalafalla, A.I and M.E.H.Mohamed (1998). Camel pox in the Sudan. 2- Some properties of camelpox viruses isolated in the Sudan. Journal of camel Practice and Research 5 (2) 235-238.
53. Khalafalla, A.I; M.E.H.Mohamed; A. M. K. Sobhi and Mustafa. I. Zeidan (1998). Isolation and identification of camel contagious ecthyma virus in the Sudan. Sudan J. Vet. Sci. Anim. Husb., vol. 37 (1-2), 49-52.
54. Khalafalla, A.I; M.E.H.Mohamed and B.H.Ali (1998). Camel pox in the Sudan. 1- Isolation and identification of the causative virus. Journal of camel Practice and Research 5 (2) 229-233.
55. Khalafalla, A.I; M.E.H.Mohamed and H.Agab (1998). Serological survey in camels of the Sudan for prevalence of antibodies to camepox virus using ELISA technique. Journal of camel Practice and Research 5 (2) 197-200.
56. Gitao, C.G; H.Agab and A.I.Khalafalla (1998( . Camel Dermatophilosis in Kenya, Sudan and Saudi Arabia. Proceedings of the Third Annual Meeting for Animal production Under Arid Conditions. Vol.2: pp93-107, United Arab Emirates University Press.
57. Khalafalla, A.I (1998). Epizootiology of camelpox, camel contagious ecthyma and camel papillomatosis in the Sudan. Proceedings of the Third Annual Meeting for Animal production Under Arid Conditions. Vol.2: pp115-131, United Arab Emirates University Press.
58. Khalafalla, A.I (1998). Ortho- and parapox virus infections of camels in the Sudan. Proceedings of the 8th Arab Veterinary Conference, 24-28 March 1998, Friendship Hall, Khartoum, Sudan.pp 276-281.
59. Khalafalla, A.I; Z.Abbas and M.E.H.Mohamed (1998). Camel papillomatosis in the Sudan. Journal of camel Practice and Research 5: 157-159.
60. Gitao, C.G; H.Agab and A.I.Khalafalla (1998). Outbreaks of Dermatophilus congolenses infection in camels (camelus dromedarius) from Butana region in eastern Sudan. Revue sci. tech. Off. int.Epiz., 17(3) 743-748.
61. Gitao, C.G; H.Agab and A.I.Khalafalla (1998). A Comparison of camel Dermatophilos in Kenya and Sudan. Annals of the New York Academy of Sciences 849, 461-464.
62. Gitao, C.G; H.Agab and A.I.Khalafalla (1998). An outbreak of a mixed infection of Dermatophilus congolensis and Microsporum gypseum in camels in Saudi Arabia. Revue sci.tech. Off. int.Epiz., 17 (3); 749-755.
63. Khalafalla, A.I and M.E.H.Mohamed (1997). Epizootiology of camel contagious ecthyma in Eastern Sudan. Revue Elev.vet. Pays trop 50 (2), 99-103.
64. Khalafalla, A.I and M.E.H.Mohamed (1996). Clinical and epizootiological features of camelpox in eastern Sudan. Journal of camel Practice and Research (2) , 99-102.
65. Khalafalla, A.I; Z.Abbas and M.A.Elamin (1995). Lumpy skin disease in the Sudan. Light and electron microscopic characteristics of the skin lesion. Sudan J. of Veterinary Research 14, 9-14.
66. Khalafalla, A.I (1994). Isolation and characterisation of lentogenic Newcastle disease viruses from apparently healthy chickens in the Sudan. Bull.Anim.Hlth.Prod.Afr., 42; 179-182.
67. Khalafalla, A.I; M.A. Gaffar El amin and O.A. Ahmed (1994). Serological Survey of Newcastle disease virus antibodies in some poultry farms in northern region of the Sudan. The Sudan J. Vet. Res. 13,73-76.
68. Khalafalla, A.I; Agab, H.A.M and B. Abbas (1994). An outbreak of contagious ecthyma in camels (camelus dromedaries ( in eastern Sudan. Trop.Anim.Hlth and Prod . 26, 253-254.
69. Gaffar Elamin, M.A; Khalafalla, A.I and S.M. Ahmed (1993). Observation on the use of Komarov strain of Newcastle disease vaccine in the Sudan. Trop.Anim.Hlth and Prod 25: 151-154.
70. Khalafalla, A.I; M.A. Gaffar El amin and Z.Abbas (1993). Lumpy skin disease: Observations on the recent outbreaks of the disease in the Sudan. Revue Elev.vet. Pays trop. 46 (4); 548-550.
71. Khalafalla, A.I; M.A.Fadol, O.A.Hameid; Y.A.Hussein and Mahasin El Nur (1992). Pathogenic properties of Newcastle disease virus isolates in the Sudan. Acta Veterinaria Hungarica , 40 (4); 329-333.
72. M.Haroun; Khalafalla, A.I; I.Hajer (1992). Some properties of Newcastle disease virus field isolates in the Sudan. Bull.Anim.Hlth.Prod.Afr. 40 .; 107-110.
73. Mamoun, I.E; Khalafalla, A.I; Bakhiet, M.R; Agab, H.A.M; Y.A.Sabiel and H.J. Ahmed (1992) Salmonella entritidis infection in the Sudan. Revue Elev.vet. Pays trop. 45(2); 137-138.
74. Khalafalla, A.I; A.Mustafa; Z.Abbas; I.Hajer and S.El Sammani (1990). Case report of a mild infection of infectious bursal disease in broiler chicks in the Sudan. Sudan J. Veterinary Research 10,45-49.
75. Khalafalla, A.I; A.A.Nayil, A.H.Nimir and I.Hajer (1990). Role of some passeriformes birds in transmission of Newcastle disease: I- Susceptibility of some wild birds of Sudan to Newcastle disease virus. Bull.Anim.Hlth.Prod.Afr. 38, 45-49.
76. Khalafalla, A.I; I.Hajer and A.H.Nimir (1990). Role of some passeriformes birds in transmission of Newcastle disease: II- pathogenesis of Newcastle disease virus in Sudan house sparrows (Passer domesticus arborius). Bull.Anim.Hlth.Prod.Afr. 38, 51-54.
77. Khalafalla, A.I;A.H. Nimir and I.Hajer (1990). Role of some Passeriformes birds in transmission of Newcastle disease: III- Transmisibility of Newcastle disease virus by Sudan house sparrows(Passer domesticus arborius). Bull. Anim.Hlth.Prod.Afr. 38, 55-58.
78. Khalafalla, A.I;A.H.Nimir and I.Hajer (1990). Role of some passeriformes birds in transmission of Newcastle disease: III- Transmisibility of Newcastle disease virus by Sudan house sparrows (Passer domesticus arborius). Bull. Anim.Hlth. Prod.Afr. 38, 55-58.
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د. هشام عباس
ghariba
بكرى ابوبكر
Ahmed Elsadig
ياسر السر
الطيب بشير
فيس بوك
تويتر
انستقرام
يوتيوب
بنتيريست