3Ammerman C. B., L. R. Arrington, J. T. McCall,J. P. Feaster, G. E. Combs and G. K.Davis. Inorganic phosphorus utilization by swine as measured by an isotope technique. J.Anim.Sci.22:890.
4巫径.[D].四川农业大学,2004.
5A.Ajakaiye ,Fan, M. Z. and T.Archbold,R.R.Hacker,et al Determination of true digestive utilization of phosphorus and the endogenous phosphorus outputs associated with soybean meal for growing pigs. Journal of Animal Science, 81:2766～2775.
6A.Ajakaiye ,Fan, M. Z. and T. Archbold,R.R.Hacker,et al. Determination of true calcium digestibility and the endogenous calcium loss associated with soybean meal for growingfinishing pigs. Canadian Journal of Animal Science, 612(abs)
