Eye Blink Rates and Eyelid Twitches as a Non-Invasive Measure of Stress in the Domestic Horse
Physiological changes provide indices of stress responses, however, behavioural measures may be easier to determine.Spontaneous eye blink rate has potential as a non-invasive indicator of stress.Eyelid movements, along with heart rate (HR) and behaviour, from 33 horses were evaluated over four treatments: (1) control—horse in its normal paddo