Hormones, IgG and lactose changes around parturition in plasma, and colostrum or saliva of multiparous sows Nicolas Devillers, Chantal Farmer, Anne-Marie Mounier, Jean LeDividich and Armelle Prunier Reprod. Nutr. Dev., 44 4 (2004) 381-396 DOI: 10.1051/rnd:2004043