Choice of breeds and husbandry practices influencing the safety of milk and milk products in smallholder dairy farms in peri-urban Nairobi, focusing on brucellosis - Kasse, F.N.; Makita, K.; Siegmund-Schultze, M.; Piepho, Hans-Peter; Grace, Delia; Kang'ethe, Erastus K.; Zárate, Anne Valle (2011)