Comparison of three methods for hormonal synchronisation of heats in gilts during late fattening. Use of P.M.S. and II.C.G C. TEXIER, J.-C. UHLEN and A. MALITTEAnn. Zootech., 25 3 (1976) 441-442DOI: https://doi.org/10.1051/animres:19760335