Effects of dietary additives (potassium diformate/organic acids) as well as influences of grinding intensity (coarse/fine) of diets for weaned piglets experimentally infected with Salmonella Derby or E. coli - Taube, V; Neu, M; Hassan, Y; Verspohl, J; Beyerbach, M; Kamphues, J (J Anim Physiol Anim Nutr, 2009)