Trypanotolerance in N’Dama x Boran crosses under natural trypanosome challenge: Effect of test-year environment, gender, and breed composition - Orenge, C.O.; Munga, L.; Kimwele, C.N.; Kemp, Stephen J.; Korol, A.; Gibson, John P.; Hanotte, Olivier H.; Soller, M. (Springer, 2012)