DOURMAD, J.Y., C. LE MOUEL, and P. RAINELLI. “Reduction of Nitrogen Output from Pig Herds through Better Feeding : Economical Evaluation and Effects of the New Common Agricultural Policy (CAP)”. INRAE Productions Animales 8, no. 2 (April 22, 1995): 135–144. Accessed December 5, 2025. https://productions-animales.org/article/view/4120.