Table 5 Behavioural variables measured during the passive human and novelty tests.

Alertness:

Glances at human^a,b(f)

x

Glances at stimulus^b,c(f)

x

Glances at feed bowl^b, (f)

x

Alert other ^c(f,d) (as with glancing but ears orientated in other directions)

x

x

Interaction:

Investigate human^a,b(f,d)

x

x

Investigate stimulus^a,b(f,d)

x

Investigate other^c(f,d) (includes sniffing, touching and manipulating walls, gate or floor)

x

x

Feeding:

Time to approach feed bowl ^e (l)

x

Sniff food^c(l,d)

x

Time eating^c (d) (head may be lifted away from feed bowl for short periods while chewing)

x

Locomotion:

Stand (d)

x

x

Walking ^c (d)

x

x

Trotting ^a,b,c (d)

x

x

Cantering ^a,b,c (d)

x

x

Pace change (f)

x

x