
Poster by K. Makita, E. Kang'ethe, G. Zewde, L. Kurwijila, H. Matusse, C. McCrindle, K. Tano-Debrah, B. Bonfoh, S. Costard and D. Grace at the 13th conference of the International Society for Veterinary Epidemiology and Economics, Maastricht, the Netherlands, 20-24 August 2012.