From: The intensity of physiological and behavioral responses of horses to predator vocalizations
Horse pedigree group | Prestimulus period | Stimulus period | Poststimulus period |
---|---|---|---|
RR during testing the wolf sound | |||
¾TB | 1559 ± 223 ax | 1232 ± 312 ay | 1513 ± 17 ax |
½TB | 1292 ± 169 bx* | 1136 ± 337 ax* | 1444 ± 234 ay* |
¼TB | 1392 ± 129 bx* | 1189 ± 270 ay | 1469 ± 137 ax* |
RR during testing the leopard sound | |||
¾TB | 1431 ± 413 ax | 1307 ± 431 ax | 1575 ± 327 ax |
½TB | 1033 ± 150 bx | 861.2 ± 206 by | 1079 ± 140 bx |
¼TB | 1052 ± 179 bxy | 909.3 ± 160 bx | 1106 ± 148 by |
RMSSD during testing the wolf sound | |||
¾TB | 104.0 ± 25.3 ax | 86.9 ± 17.5 ay* | 101.8 ± 5.6 ax* |
½TB | 79.0 ± 27.9 ax* | 91.1 ± 48.6 axy* | 102.9 ± 37.0 ay* |
¼TB | 85.0 ± 19.5 ax* | 70.5 ± 40.2 ax | 81.1 ± 31.8 ax |
RMSSD during testing the leopard sound | |||
¾TB | 88.0 ± 26.4 ax | 188.2 ± 136.3 ay | 66.9 ± 18.5 abz |
½TB | 55.6 ± 23.8 bx | 57.0 ± 51.2 bx | 59.9 ± 21.6 ax |
¼TB | 59.6 ± 22.5 bx | 54.8 ± 31.3 bx | 71.0 ± 21.2 by |
HF during testing the wolf sound | |||
¾TB | 2700 ± 1238 ax | 2048 ± 965 ax* | 2582 ± 267 ax* |
½TB | 1596 ± 901 bx* | 2395 ± 1271 ay* | 2801 ± 1064 ay* |
¼TB | 1670 ± 603 bx* | 1480 ± 866 bx | 1709 ± 1621 bx |
HF during testing the leopard sound | |||
¾TB | 2412 ± 1832 ax | 1227 ± 370 ay | 993 ± 437 ay |
½TB | 792 ± 558 bx | 1257 ± 242 ay | 1008 ± 700 ax |
¼TB | 990 ± 697 bx | 991 ± 330 ax | 1763 ± 789 by |