1. Ahmadu, A., Sikazwe, M.S., Sakala, R., Pandey, G.S., 1999. Seroprevalence of brucellosis in cattle at Lusaka abattoirs, Bull. Anim. Health Prod., 47, 119–121
2. Dohoo, I., Martin, W., Stryhn, H., 2003. Veterinary Epidemiologic Research. (AVC Inc., Charlottetown, Prince Edward Island)
3. Gul, S.T., Khan, A., 2007. Epidemiology and Epizootology of Brucellosis: A review, Pakistan Veterinary Journal, 27, 145–151
4. Jordan, D. 1995. Herdacc: A programme for calculating herd level (aggregate) sensitivity and specificity (Department of Population Medicine, University of Guelph, Guelph, Canada)
5. Mainar-Jaime, R.C., Munoz, P.M., de Miguel, M.J., Grillo, M.J., Marin, C.M., Moriyon, I., Blasco, J.M., 2005. Specificity dependence between serological tests for diagnosing bovine bucellosis in Brucella-free farms showing false positive serological reactions due to Yersinia enterocolitica O:9, Canadian Veterinary Journal-Revue Veterinaire Canadienne, 46, 913–916