Components of prolificacy in hyperprolific Large White sows compared with the Meishan and Large White breeds G. BOLET, Françoise MARTINAT BOTTE, A. LOCATELLI, J. GRUAND, M. TERQUI and Françoise BERTHELOT Genet. Sel. Evol., 18 3 (1986) 333-342 DOI: 10.1051/gse:19860307