Table 1.

Ethogram of recorded behavioral activities

Behavior	Description
Eating	Eating (specific feed was recorded)
Idle	Sheep not engaged in any of the following behaviors
Ruminating	Sheep is ruminating
Pacing	Walking in a distinct pattern, such as frequent walking back and forth, weaving, or moving in circles
Chewing pen fixtures	Chewing pen fixtures (e.g., feed bin, bars)
Head butting pen fixtures	Butting pen fixtures
Head hanging	Standing quietly with head drooped down
Crouching	Crouching in fear (usually to human activity)
Pawing or stamping	Striking ground with forelegs
Rearing	Head raised with forelegs on pen or off ground, back legs on ground
Scratching	Scratching self
Rubbing	Rubbing on pen fixtures
Observing other sheep	In an alert state, ears pricked, or actively looking with attention directed to other sheep (the treatment of the animal being observed was recorded)
Observing humans	In an alert state, ears pricked, or actively looking with attention directed to other sheep