Effect of hypothalamic factor treatments on the behaviour of sows during lactation and on their behavioural and cortisol responses to weaning.

behaviour brain cerdas cerebro comportamiento comportamiento maternal comportement comportement maternel destete glucocorticoides glucocorticoids hormonas liberadoras hormonas pituitarias hormone hypophysaire lactation maternal behaviour pituitary hormones releasing hormone releasing hormones sevrage sows truie weaning