Modelling of daily rhythms of behavioural patterns in growing pigs on two commercial farms

The behaviour of growing pigs housed on two different commercial farms was studied to analyse daily rhythms related to behaviour. During the hot summer in Castilla La Mancha (Spain), 25 pigs were used, 10 from the first farm and 15 from the second one, so as to be able to work with the same stocking...

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Bibliographic Details
Published in:Biological rhythm research 2007-10, Vol.38 (5), p.347-354
Main Authors: Villagrá, Aránzazu, Althaus, Rafael L., Lainez, Manuel, Martinez, Ana Belén, Torres, Antonio G.
Format: Article
Language:English
Subjects:
behaviour
daily rhythms
Growing pigs
modelling
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Summary:The behaviour of growing pigs housed on two different commercial farms was studied to analyse daily rhythms related to behaviour. During the hot summer in Castilla La Mancha (Spain), 25 pigs were used, 10 from the first farm and 15 from the second one, so as to be able to work with the same stocking density (0.75 m 2 /pig). Their behaviours were recorded for 16 days in two separate periods with a video camera and subsequently observed for studying one photogram every 10 minutes (2035 observations for each farm), in which six predominant behaviours were assessed. The existence of a periodic pattern in most of the behaviours was verified with a mathematical model, demonstrating substantial differences between the models obtained for each farm.
ISSN:0929-1016
1744-4179
DOI:10.1080/09291010600950131