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A cross sectional study of the prevalence and associated risk factors for capped hock and the associations with bursitis in weaner, grower and finisher pigs on commercial farms in Great Britain
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Kilbride, A. L. (Amy L.), Gillman, Claire E., Ossent, P. and Green, Laura E. (2007) A cross sectional study of the prevalence and associated risk factors for capped hock and the associations with bursitis in weaner, grower and finisher pigs on commercial farms in Great Britain. Preventive Veterinary Medicine, Vol.83 (No.3-4). pp. 272-284. doi:10.1016/j.prevetmed.2007.08.004 ISSN 0167-5877.
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Official URL: http://dx.doi.org/10.1016/j.prevetmed.2007.08.004
Abstract
The prevalence of capped hock in 5601 post weaning pigs from 93 representative pig farms in England was 17.2%. The prevalence increased with age. Once adjusted for age, the lowest prevalence of capped hock was observed in pigs kept on soil floors (usually covered with deep straw bedding). There was no significant increase in the risk of capped hock in pigs kept on solid concrete floors with deep straw bedding. However, pigs kept on solid concrete with some, or the entire pen, sparsely bedded and pigs kept on partially or fully slatted floors had an approximately three fold increased risk of capped hock. This did not vary significantly between these four floor types. This was in contrast to the associated risks for bursitis in the same pigs, where as the floor went from highly resilient (straw and solid floors) to hard and perforated (fully slatted) the risk of bursitis increased similar to a dose response. No other variables that were measured were associated with a change in risk for capped hock, while observation of pigs slipping or slip marks and wet, dirty and worn pens were also associated risks for bursitis. These results indicate that capped hock and bursitis are both affected by exposure to floors, but in different ways. The prevalence of capped hock was associated only with floor hardness, with deep straw protecting the pigs, while bursitis was associated with both changes in bedding depth (hardness), floor material (soil versus concrete) and floor construction (solid versus slatterd floors) and in factors associated with locomotion (slipping and slip marks). These results indicate that the aetiology of capped hock and bursitis might differ.
Item Type: | Journal Article | ||||
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Subjects: | S Agriculture > SF Animal culture Q Science > QL Zoology |
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Divisions: | Other > Institute of Advanced Study Faculty of Science, Engineering and Medicine > Science > Life Sciences (2010- ) > Biological Sciences ( -2010) Faculty of Science, Engineering and Medicine > Science > Life Sciences (2010- ) |
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Library of Congress Subject Headings (LCSH): | Swine -- Housing, Bones -- Diseases, Bursitis, Animal welfare | ||||
Journal or Publication Title: | Preventive Veterinary Medicine | ||||
Publisher: | Elsevier | ||||
ISSN: | 0167-5877 | ||||
Official Date: | 1 October 2007 | ||||
Dates: |
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Volume: | Vol.83 | ||||
Number: | No.3-4 | ||||
Number of Pages: | 13 | ||||
Page Range: | pp. 272-284 | ||||
DOI: | 10.1016/j.prevetmed.2007.08.004 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Open Access (Creative Commons) | ||||
Description: | Version accepted by publisher (post-print, after peer review, before copy-editing). |
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Funder: | Great Britain. Dept. for Environment, Food & Rural Affairs (DEFRA) | ||||
Grant number: | AW0135 |
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