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Artículo

Fractal analysis of the ambulation pattern of Japanese quail

Kembro, Jackelyn MelissaIcon ; Perillo, Maria AngelicaIcon ; Pury, Pedro Angel; Satterlee, Dan G.; Marin, Raul HectorIcon
Fecha de publicación: 03/2009
Editorial: Taylor & Francis Ltd
Revista: British Poultry Science
ISSN: 0007-1668
e-ISSN: 1466–1799
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Otras Ciencias Biológicas

Resumen

1. The study examined the practicality and usefulness of fractal analyses in evaluating the temporal organisation of avian ambulatory behaviour by using female Japanese quail in their home boxes as the model system. To induce two locomotion activity levels, we tested half of the birds without disturbance (Unstimulated) and the other half when food was scattered on the floor of the home box after 3h of feeder withdrawal (Stimulated). 2. Ambulatory activity was recorded during 40 min at a resolution of 1s and evaluated by: (1) detrended fluctuation analyses (DFA), (2) the frequency distribution of the duration of the walking or non-walking events (FDD-W or FDD-NW, respectively), and (3) the transition probabilities between walking/non-walking states. Conventional measures of total time spent walking and average duration of the walking/non-walking events were also employed. 3. DFA showed a decreased value of the self-similarity parameter (α; indicative of a more complex ambulatory pattern) in Stimulated birds compared to their Unstimulated counterparts. The FDD-NW showed a more negative scaling factor in Stimulated than in Unstimulated birds. Stimulated birds also had more transitions between non-walking and walking states, consistent with stimulated exploratory activity. No differences were found between groups in the FDD-W, in percentage of total time spent walking, or in average duration of the walking events. 4. The temporal walking pattern of female Japanese quail has a fractal structure and its organisation and complexity is altered when birds are stimulated to explore. The fractal analyses detected differences between the Unstimulated and Stimulated groups that went undetected by the traditional measurements of the percentage of total time spent walking and the duration of the walking events suggesting its usefulness as a tool for behavioural studies.
Palabras clave: Japanse Quail , Fractal Analysis , Detrended Fluctuation Analysis , Ambulation Pattern
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
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URI: http://hdl.handle.net/11336/53030
URL: https://www.tandfonline.com/doi/abs/10.1080/00071660802710116
DOI: http://dx.doi.org/10.1080/00071660802710116
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Articulos(CCT - CORDOBA)
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - CORDOBA
Articulos(IIBYT)
Articulos de INSTITUTO DE INVESTIGACIONES BIOLOGICAS Y TECNOLOGICAS
Citación
Kembro, Jackelyn Melissa; Perillo, Maria Angelica; Pury, Pedro Angel; Satterlee, Dan G.; Marin, Raul Hector; Fractal analysis of the ambulation pattern of Japanese quail; Taylor & Francis Ltd; British Poultry Science; 50; 2; 3-2009; 161-170
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