8[14]Sutton, A L, K B Kephart, M W A Verstegen, et al. Potentialfor reduction of odorous compounds in seine manure through diet modification [J]. J Anim Sci (Submitted), 1998.
9[15]Kay R M aand P A Lee. Ammonia emission from pig gbuildings and characteristics of slurry produced by pigs offered low crude protein diets. In: International Symposium on Ammonia and Odour control from Animal Production Facilities [ M]. Rosmalen The Netherlands. 1997, 253-260.
