Tag: Cortisol
Progesterone pretreatment increases the stress response to social isolation in ewes
Aline Freitas-de-Melo, Juan Pablo Damián, Maria José Hötzel, Georgget Banchero, Rodolfo Ungerfeld
OBJECTIVE: In rodents, progesterone (P4) pretreatment increases anxiety and response to stressors. Social isolation is a stressor that generates physiological and behavioural stress responses in sheep. The aim of the study was to compare the stress response of anoestrous ewes previously treated or not with P4 to the social isolation test. DESIGN: Ten ewes received P4 treatment during 13 d (group P4-W) and another 10 remained untreated as controls (group Con) …