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Is equine colic seasonal? Novel application of a model based approach by Debra C Archer; Gina L Pinchbeck; Christopher J Proudman; Helen E Clough is a Agricultural and Biological Sciences article available to read on EtoBox.

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## Background Colic is an important cause of mortality and morbidity in domesticated horses yet many questions about this condition remain to be answered. One such question is: does season have an effect on the occurrence of colic? Time-series analysis provides a rigorous statistical approach to this question but until now, to our knowledge, it has not been used in this context. Traditional time-series modelling approaches have limited applicability in the case of relatively rare diseases, such as specific types of equine colic. In this paper we present a modelling approach that respects the discrete nature of the count data and, using a regression model with a correlated latent variable and one with a linear trend, we explored the seasonality of specific types of colic occurring at a UK referral hospital between January 1995–December 2004. ## Results Six- and twelve-month cyclical patterns were identified for all colics, all medical colics, epiploic foramen entrapment (EFE), equine grass sickness (EGS), surgically treated and large colon displacement/torsion colic groups. A twelve-month cyclical pattern only was seen in the large colon impaction colic group. There was no evidence

Who reads Is equine colic seasonal? Novel application of a model based approach?

Author

Debra C Archer; Gina L Pinchbeck; Christopher J Proudman; Helen E Clough

Publisher

BioMed Central; Springer (Biomed Central Ltd.); London: BioMed Central, 2005-; Springer Science and Business Media LLC; Society for Mining, Metallurgy and Exploration Inc. (ISSN 1746-6148)

Published

2006

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)