ABD ELHAMEED A. A. 1991. Sero-epidemiology of toxoplasmosis in Gezira, Sudan. J. Trop.       Med. Hyg., 94:329-332.
                                                                                                                ABDEL HAFEZ, A. A. 2013. Epidemiological study on Toxoplasma gondii infection in Beja         sheep in The Red Sea State, Sudan. PhD thesis, Sudan academy of Science.
                                                                                                                ABDEL-RAOUFF M. AND ELBASHEIR M. M. 2014. Sero-prevalence of Toxoplasma gondii    infection among pregnant women attending antenatal clinics in Khartoum and Omdurman             Maternity Hospitals, Sudan. Journal of Coastal Life Medicine 2014; 2(6): 496-499.
                                                                                                                ADNAN I 1994. Sero-epidemiology of human toxoplasmosis and internal parasites of cats in         Khartoum. A thesis submitted for the degree of Master of Science in Zoology, Faculty of       Sciences. University of Khartoum, p. 210.
                                                                                                                ANGARA, T- E.E.; 2005. Socio- economic Aspects  of brucellosis in kuku Dairy scheme,                 Khartoum State, Sudan. PhD. Thesis, SUST.
                                                                                                                ANGARA, T- E.E.; ISMAIL. A.A. A.; AGAB. H. AND SAEED, N. M. 2009. Seroprevalence of
                                                                                                                        Bovine brucellosis in Kuku dairy Scheme. Sudan J.Vet .Sci. Anim.Husb.48 (&2): 27-35.
                                                                                                                DUBEY J. P. 1995. Letter to the editor: Determination of Toxoplasma gondii in organs of               naturally infected cattle in Costa Rica - Comment. Vet. Parasitol., 60: 173-174.
                                                                                                                DUBEY J. P., ROMAND S., HILALI M., KWOK O. C., THULLIEZ P. 1998. Seroprevalence of                 antibodies to Neospora caninum and Toxoplasma   gondii in water buffaloes (Bubalus                 bubalis) from Egypt. International journal of Parasitology. 28(3):527-529.
                                                                                                                DUBEY J. P.; MORALES E.S. AND LEHMAN T. 2004. Isolation and                genotyping of       Toxoplasma         gondii from free-ranging chickens from Mexico. J. Parasitol., 90: 411-413.
                                                                                                                ELFAHAL A.M.;  AMIRA M. E.; HUSSIEN M. O.; ENAN K. A.; MUSA A. B. AND EL                 HUSSEIN A.M. 2013. Seroprevalence of Toxoplasma gondii in Dairy Cattle with      Reproductive        Problems in Sudan. Veterinary Science available at:   
http://dx.doi.org/10.1155/2013/895165
                                                                                                                 ELNAHAS A, GERAIS AS, ELBASHIR MI, ELDIEN ES, ADAM I 2003. Toxoplasmosis in pregnant        Sudanese women. Saudi Med. J., 24(7): 868-870.
                                                                                                                FIGLIUOLO, L.P.C., KASAI, N., RAGOZO, A.M.A., DE PAULA, V.S.O., DIAS, R.A., SOUZA, S.L.P.,      GENNARI, S.M., 2004. Prevalence of anti-toxoplasma gondii and anti-Neospora                caninum antibodies in ovine             from Sao Paulo State, Brazil. Vet. Parasitol. 123, 161-166.
                                                                                                                HELMICK, B., OTTER, A., MCGARRY, J., BUXTON, D., 2002. Serological    investigation of    aborted sheep and pigs for infection by Neospora     caninum. Res. Vet. Sci. 73, 187-189.
                                                                                                                HILALI M., ROMAND S., THULLIEZ P., KWOK O. C., AND DUBEY J. P. 1998. Prevalence of               Neospora caninum and Toxoplasma gondii antibodies in sera from camels from Egypt.    Veterinary parasitology. 75(2-3):269-271.
                                                                                                                HUONG L. T., LJUNGSTORM B. L., UGGLA A., AND BJORKMAN C. 1998. Prevalence of      antibodies to         Neospora caninum and Toxoplasma gondii in cattle and water buffalos in    southern Vietnam. Veterinary parasitology. 75(1):53-57.
                                                                                                                IBRAHIM A.M. ISMAIL A. A. ANGARA T. E.E. OSMAN M. O. 2014A. Area-wide Detection of                 Anti-Toxoplasma gondii Antibodies in Dairy Animals from the Khartoum State, Sudan.      Journal of life sciences, Vol. 8: (9), Pp.723-730. DOI: 10.17265/1934-7391/2014.09.001
                                                                                                                                                                                                                                KHALIL, M. K. and Elrayah, I. E. 2011. Seroprevalence of Toxoplasma gondii antibodies in       farm animals (camels, cattle, and sheep) in Sudan. Journal of Medicine and Animal          Health Vol. 3(3), pp. 36-39.
                                                                                                                KHALIL, M.; KODYM P.; MALY M.; EL-RAYAH I. E. 2013. Detection of acute toxoplasmosis in            rural women in Sudan using different diagnostic tests. African Journal of Microbiology              Research,  Vol. 7(46), 5227-5233.
                                                                                                                LINDSTRÖM I, KADDU-MULINDWA D, KIRONDE F, AND LINDH J. 2006. Prevalence of latent and   reactivated Toxoplasma gondii parasites in HIV-patients from Uganda. Acta Trop. 100:                 218-222
                                                                                                                MAHA H. E.; EBTESAM M. A.; SAWSAN A. O.; ALAGAILI A. N.;  AND MOHAMMED            O. B. 2012.           Molecular detection and prevalence of Toxoplasma gondii in pregnant women in Sudan.            African Journal of Microbiology Research Vol. 6(2), pp. 308-311.
                                                                                                                MLFR, MINISTRY OF LIVESTOCK, FISHERIES AND RANGELANDS 2014. Animal breeds in Sudan.                Proceedings of the regional Conference of Genetic                improvement role in food security   for Africa, 29-30 march 2014, Corinthia Hotel, Khartoum, Sudan.
                                                                                                                NEGASH, T., TILAHUN, G. & MEDHIN, G. 2008. Seroprevalence of Toxoplasma gondii in        Nazareth town, Ethiopia. East African Journal of Public Health 5, 211-214.
                                                                                                                ORTEGA-MORA, L.M., GOTTSTEIN, B., CONRATHS , F. J. AND BUXTON, D. 2007. Protozoal Abortion           in Farm Ruminants, Guide lines for Diagnosis and Control. CAB International, London,                UK.
                                                                                                                SERI I.H.; ABAKAR D.A. AND IDRIS F.O. 2003. A note on camel toxoplasmosis in the Sudan. 7th Sci Cong. Egyptian Soc for cattle Diseases. 153-157.
                                                                                                                SVOBODOVA M.; Svobodova V., and Konard J. 1988. Relations between the occurrence of        antibodies to Toxoplasma gondii and the clinical findings in cats subjected to clinical    examination. Veter.Med. Praha. 33:119-126.
                                                                                                                SVOBODOVA V. and Literak I. 1998. Prevalence of IgM and IgG antibodies to Toxoplasma       gondii in blood donors in the Czech Republic. European Journal of Epidemioloy. 14(8):803-805.
                                                                                                                TENTER, A. M.; HEKEROTH, A. R. AND WEIS, L. M 2000. Toxoplasma gondii from animal to              humans. Int J Parasitol. 30: 1217-1258.
                                                                                                                TENTER, A.M. 2009. Toxoplasma gondii in animals used for human consumption. Mem Inst       Oswaldo Cruz, Rio de Janeiro, Vol. 104(2): 364-369
                                                                                                                WEISS, L.M., AND KIM, K. 2007. Toxoplasma gondii, The Model Apicomplexan-          Perspective and Methods. Elsevier Ltd.
                                                                                                                YILDIZ, K., KUL, O., BABUR, C., LILIC, S., GAZYAGCI, A., CELEBI, B., GURCAN, S., 2009.                Seroprevalence of Neospora caninum in dairy cattle ranches with high abortion rate:    special emphasis to serologic co-existence with Toxoplasma gondii, Brucella abortus          and Listeria monocytogenes. Vet. Parasitol. 164, 306-310.