From: The intensity of physiological and behavioral responses of horses to predator vocalizations
Sympathetic activity | Parasympathetic activity | Cortisol | Total | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Variable: | HR | LF | RR | RMSSD | HF | ||||||||
Period: | 2 | 3 | 2 | 3 | 2 | 3 | 2 | 3 | 2 | 3 | 3 | ||
Horse pedigree group | Wolf sound | ||||||||||||
¾TB | 1 | 1 | 1 | 1 | 4 | ||||||||
½TB | 1 | 1 | 1 | -1 | -1 | -1 | 1 | 1 | |||||
¼TB | 1 | -1 | -1 | 1 | 0 | ||||||||
Horse pedigree group | Leopard sound | ||||||||||||
¾TB | 1 | 1 | -1 | -1 | 1 | 1 | 1 | 3 | |||||
½TB | 1 | 1 | 1 | -1 | 1 | 3 | |||||||
¼TB | 1 | 1 | 1 | -1 | -1 | 1 | 2 |