Table 5.
Behavioural variables measured during the passive human and novelty tests.
| Behaviour | Passive human test | Novelty test |
|---|---|---|
| Alertness: | ||
| Glances at humana,b(f) | x | |
| Glances at stimulusb,c(f) | x | |
| Glances at feed bowlb, (f) | x | |
| Alert other c(f,d) (as with glancing but ears orientated in other directions) | x | x |
| Interaction: | ||
| Investigate humana,b(f,d) | x | x |
| Investigate stimulusa,b(f,d) | x | |
| Investigate otherc(f,d) (includes sniffing, touching and manipulating walls, gate or floor) | x | x |
| Feeding: | ||
| Time to approach feed bowl e (l) | x | |
| Sniff foodc(l,d) | x | |
| Time eatingc (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 |
Key: ‘x’ indicates for which test each behavioural variable was measured. Types of measure; f = frequency, d = duration, l = latency. (References: a = 35, b = 36, c = 27, e = 12.