TY - JOUR AN - 029366257 PY - 1988/01/01 TI - The influence of fatness at parturition nutrition during lactation and litter size on the performance of breeding sows 1. changes in backfat thickness body weight and conformation JO - Animal Production VL - 46 IS - 3 SP - 494 EP - 494 UR - https://eurekamag.com/research/029/366/029366257.php ER -