QBA was introduced to the students as an integrative methodology
that characterizes animal behaviour as a dynamic, expressive
body language (Wemelsfelder 2007; Wemelsfelder, Hunter,
Lawrence, & Mendl, 2001). It was explained that it was originally
developed as a free-choice profiling in which the assessors can
generate their own descriptors for describing the expressive quality
of how animals behave and how they interact with each other and
the environment. For the purpose of the practicum, however, we
worked with a fixed list of descriptors as in the Welfare Quality
(2009) protocol in which QBA is used as an animal welfare measure
at group level. After the hens were observed (from video for
the sake of this practical) their behavioural expression was scored
on a visual analogue scale for each of the 19 fixed qualitative descriptors.
For each term (such as ‘calm’, ‘content’ and ‘frustrated’;
see Table 1 for all terms) we used a 100 mm visual analogue scale
defined by the left-hand point, which represented ‘minimum’ (i.e.
the expressive quality indicated by the term is entirely absent in
any of the animals seen) and the right-hand point which represented
‘maximum’ (i.e. the expressive quality is dominant across all
observed animals).
QBA was introduced to the students as an integrative methodologythat characterizes animal behaviour as a dynamic, expressivebody language (Wemelsfelder 2007; Wemelsfelder, Hunter,Lawrence, & Mendl, 2001). It was explained that it was originallydeveloped as a free-choice profiling in which the assessors cangenerate their own descriptors for describing the expressive qualityof how animals behave and how they interact with each other andthe environment. For the purpose of the practicum, however, weworked with a fixed list of descriptors as in the Welfare Quality(2009) protocol in which QBA is used as an animal welfare measureat group level. After the hens were observed (from video forthe sake of this practical) their behavioural expression was scoredon a visual analogue scale for each of the 19 fixed qualitative descriptors.For each term (such as ‘calm’, ‘content’ and ‘frustrated’;see Table 1 for all terms) we used a 100 mm visual analogue scaledefined by the left-hand point, which represented ‘minimum’ (i.e.the expressive quality indicated by the term is entirely absent inany of the animals seen) and the right-hand point which represented‘maximum’ (i.e. the expressive quality is dominant across allobserved animals).
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