Effect of feeding supplemental fat or lysine during the postweaning period on the reproductive performance of sows with low or high lactation body weight and fat losses

alimentacion complementaria animal fats backfat cerdas corps gras animal destete gestation grasas animales lactation lard gras lisina liveweight lysine performance de reproduction peso poids pregnancy reproductive performance reproductividad sevrage sows supplementary feeding tocino dorsal truie weaning weight