The animal breeding act of 1966 : 20 years of pig improvement in France L. OLLIVIER, J. P. RUNAVOT, J. DAGORN, R. GUEBLEZ, J. JEHANNO, R. KERISIT, C. LEGAULT, M. MOLENAT and P. SELLIERAnn. Zootech., 35 3 (1986) 302DOI: https://doi.org/10.1051/animres:19860327