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Domestication effects on behavioural synchronization and individual distances in chickens ( Gallus gallus)
Linköpings universitet, Institutionen för fysik, kemi och biologi, Zoologi. Linköpings universitet, Tekniska högskolan.
Linköpings universitet, Institutionen för fysik, kemi och biologi, Zoologi. Linköpings universitet, Tekniska högskolan. (Etologi)
2011 (Engelska)Ingår i: Behavioural Processes, ISSN 0376-6357, E-ISSN 1872-8308, Vol. 86, nr 2, s. 250-256Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Behavioural synchrony (allelomimetic behaviour), and inter-individual distances are aspects of social and anti-predator strategies which may have been affected by domestication. Chickens are known to adjust synchronization and inter-individual distances depending on behaviour. We hypothesized that White Leghorn (WL) chickens would show less synchronized behaviour than the ancestor, the red jungle fowl (RJF). Sixty birds, 15 female and 15 male WL and the same number of RJF (28 weeks old) were studied in groups of three in furnished pens (1 m × 2 m) for 24 consecutive hours per group, following 24 h of habituation. Video tapes covering 4 h per group (dawn, 9–10 am, 1–2 pm and dusk) were analysed. Red junglefowl perched significantly more, but there were no breed effects on the frequency or daily rhythm of any other activities, or on average inter-individual distances. Red junglefowl were more synchronized during perching and a tendency for the same was found for social behaviour. After performance of the two most synchronized behaviours, perching and comfort behaviour, individual distance increased more for RJF than WL. According to this study domestication of chickens appears not to have significantly altered the relative frequencies of different activities or average inter-individual distances, but have caused some changes in behavioural synchronization and maintenance of activity-specific inter-individual distances in chickens. The changes may indicate an adaptive response to captivity and domestication.

Ort, förlag, år, upplaga, sidor
Elsevier , 2011. Vol. 86, nr 2, s. 250-256
Nyckelord [en]
Allelomimetic, Social behaviour, inter-individual distance, white leghorn, red junglefowl
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Naturvetenskap
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URN: urn:nbn:se:liu:diva-65991DOI: 10.1016/j.beproc.2010.12.010ISI: 000287984900012OAI: oai:DiVA.org:liu-65991DiVA, id: diva2:400996
Anmärkning
Original Publication: Beatrix Eklund and Per Jensen, Domestication effects on behavioural synchronization and individual distances in chickens (Gallus gallus), 2011, Behavioural Processes, (86), 2, 250-256. http://dx.doi.org/10.1016/j.beproc.2010.12.010 Copyright: Elsevier Science B.V., Amsterdam. http://www.elsevier.com/ Tillgänglig från: 2011-03-01 Skapad: 2011-03-01 Senast uppdaterad: 2017-12-11

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