Ks. Vestergaard et M. Bildsoe, Dustbathing in relation to early pecking experience in game pheasants (Phasianus colchicus), ACT VET B, 68(2), 1999, pp. 141-148
Studies on domestic chicks have indicated that preferences for dustbathing
substrates are related to early pecking experience before full dustbathing
behaviour has appeared. In this study we investigated if this was also the
case in game pheasant (Phasianus colchicus), a close relative of fowl. Phea
sant chicks were kept as pairs in wire floored cages and given either 2 min
or 5 min pecking experience by simultaneous presentation of pear and sand
on days 2-11. On days 13 and 14 they were tested for dustbathing performanc
e during 30 min simultaneous presentation of sand, peat and feed. Chicks on
the 5 min treatment had a higher pecking rate (P < 0.01) and therefore gai
ned more experience with the pecking substrates than chicks on the 2 min tr
eatment. Furthermore, chicks on the 5 min pecking treatment dustbathed more
in the substrates than those on the 2 min treatment (P < 0.05). Generally,
chicks preferred to peck at peat rather than at sand (P < 0.02) and they a
lso preferred to dustbathe in peat (P < 0.03).
In the 2 min group dustbathing in the substrates and early overall pecking
rate on days 2-11 at the substrates were positively correlated, with a stro
ngly increased correlation coefficient by day 8. In the 5 min group the cor
relations between pecking at either sand or peat and dustbathing in sand pe
aked on day 4. During the dustbathing tests three chicks that had no or ver
y little experience of pecking the substrates preferred to dustbathe in foo
d. We suggest that like domestic chicks game pheasant chicks imprint on dus
tbathing substrates by pecking at them during the first days of life.