Fig. 1From: Large litters have a detrimental impact on litter performance and postpartum maternal behaviour in primiparous sowsSalivary cortisol levels at 35, 21, and 7 d before parturition, and 1, 7, and 28 d after parturition between sows with normal litters (NORMAL, n = 8) and large litters (LARGE, n = 16). All salivary samples were collected around 1000 h on each sampling day. Values represent LS means and SEM. *P < 0.10, **P < 0.05, ***P < 0.01Back to article page