Exogenous and endogenous contributions to nitrogen fluxes in the digestive tract of pigs fed a casein diet. III. Recycling of endogenous nitrogen WB Souffrant, A. Rérat, JP Laplace, B. Darcy-Vrillon, R. Köhler, T. Corring, G. Gebhardt, F. Bernard, ML Jähnichen, B. Schneider and F. CointepasReprod. Nutr. Dev., 33 4 (1993) 373-382DOI: https://doi.org/10.1051/rnd:19930406