Effects of a calm companion on fear reactions in naive test horses.
Authors: Christensen J W, Malmkvist J, Nielsen B L, Keeling L J
Journal: Equine veterinary journal
Summary
# Editorial Summary: Effects of a calm companion on fear reactions in naive test horses Young horses exposed to novel, frightening stimuli demonstrate measurably lower fear responses when accompanied by a previously habituated peer, according to research by Christensen and colleagues using 36 minimally handled two-year-old stallions. The study compared naive subject horses paired either with companions that had prior experience (habituation) with the test stimulus or with nonhabituated control companions, measuring both heart rate and behavioural indicators of fear during standardised exposure. Horses paired with calm, experienced companions exhibited significantly reduced fear-related behaviours and lower heart rate elevations compared to those with nonhabituated partners—effects that persisted even after the subject horses were tested alone, suggesting some lasting anxiolytic benefit from the initial paired exposure. This mechanism of social buffering offers farriers, vets and handlers a practical, non-pharmaceutical approach to managing fear responses in young and naive horses during potentially stressful procedures or new environments. The findings indicate that strategic use of well-socialised horses as companions during challenging situations could meaningfully reduce dangerous flight reactions, with implications for safer handling, training initiation and veterinary management of anxious individuals.
Read the full abstract on PubMed
Practical Takeaways
- •Use of a habituated calm companion horse can effectively reduce fear and dangerous flight reactions in young, naive horses during frightening situations
- •Pairing fearful horses with previously desensitized companions provides a practical, low-cost management tool for improving safety during training and handling
- •Benefits of calm companion exposure appear to have lasting effects, as fear reduction persists even after the companion horse is removed
Key Findings
- •Subject horses paired with calm companion horses showed significantly less fear-related behaviour compared to those with nonhabituated companions
- •Heart rate responses were lower in subject horses with calm companions versus control companions during fear-eliciting stimulus exposure
- •Fear reduction effects persisted when subject horses were subsequently exposed to the stimulus alone without companion horses