Efficacy of a Feed Dispenser for Horses in Decreasing Cribbing Behaviour

Table 1

Behavioural categories and definitions.

Behavioural category	Definition	State/event
Time to finish the ration	Time taken by horse to finish the food ration	State
Time at the dispenser	Elapsed time at the dispenser, every time the horse shows interest in Quaryka (sniffs, spins the wheel, etc.)	State
Time to learn how to use Quaryka	Time spent learning to use the dispenser, until the horse understood the relationship between turning the wheel and the presence of concentrate in the manger	State
Latency to use Quaryka	Time needed by the horse to approach Quaryka the first time	State
Latency to use Quaryka after filling	Elapsed time between filling Quaryka and the horse turning the wheel to obtain the food for the first time	State
Time spent cribbing	Bout of cribbing	State
Standing alert	Rigid stance with the neck elevated and the head oriented toward the source of interest; The ears are held stiffly upright and forward, and the nostrils may be slightly dilated	State
Fear	Fearful head posture and facial expression (increasing head distance from Quaryka, ears flattened and held back, and sclera visible)	State
Cribbing	Single crib-bite	Event
Lip playing	Part of tongue is shown and moved along the upper lip	Event