Table 2.

Final consensus definitions as agreed upon by the expert panel

Descriptor	Definition
Active	An active sow is not resting or sleeping and can be performing any type of motor activity.
Agitated	An agitated sow is restless and erratic. She may display a lot of movement or is in a hurry to do an action or change actions.
Aimless	An aimless sow is despondent, apathetic, and passive. She may be casually moving around without engaging with any specific element in her surroundings.
Bored	A bored sow is dull, unstimulated, and uninterested.
Calm	A calm sow is quiet, placid and without strong emotions.
Content	A content sow is showing signs of overall satisfaction. She is peaceful and comfortable.
Curious	A curious sow is inquisitive and interested in her environment. She may actively approach objects and situations of interest or be investigating all aspects of where she is.
Distressed	A distressed sow is upset. She may panic, actively search for escape, avoid stressors, or withdraw entirely. She may be anxious or in pain.
Enjoying	An enjoying sow shows pleasure in what she is doing, interacting with resources in her environment and voluntarily remaining in that environment.
Fearful	A fearful sow is startled, afraid, or terrified of a situation and may freeze or actively try to escape or retreat.
Frustrated	A frustrated sow is feeling discouraged in response to repeated attempts to achieve or change something without results, being prevented from achieving something, or repeatedly failing a task.
Happy	A happy sow is joyful, cheerful, and untroubled.
Indifferent	An indifferent sow is without interest in her environment, and she may not pay attention or react to stimuli.
Irritable	An irritable sow is easily reactive in a negative way towards any stimulus. She is uneasy and may be quick to flinch or show signs of annoyance.
Listless	A listless sow is lacking in energy, vigour, and enthusiasm. She may have a lost or sad expression or exhibit lethargic movements.
Lively	A lively sow is energetic, full of vigor, observant of her surroundings and may be quick to move.
Playful	A playful sow is fun-loving and gleeful. She may run, hop, spin, or manipulate items.
Positively occupied	A positively occupied sow is engaged in doing something she enjoys or needs, immersed in her surroundings in a focused, directed, unharmful and constructive manner.
Relaxed	A relaxed sow is at ease with her surroundings.
Tense	A tense sow is alert and uncomfortable. Her expression may be a worried or wary grimace and her posture may be stiff.