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    Ear, tail and skin lesions vary according to different production flows in a farrow-to-finish pig farm

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    Author
    Diana, Alessia
    Boyle, Laura
    García Manzanilla, Edgar
    Leonard, Finola C
    Calderón Díaz, Julia A
    Keyword
    All-in all-out
    Lesions
    Management
    Production flow
    Swine
    Welfare
    Date
    2019-07-15
    
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    URI
    http://hdl.handle.net/11019/2171
    Citation
    Diana, A., Boyle, L.A., García Manzanilla, E. et al. Ear, tail and skin lesions vary according to different production flows in a farrow-to-finish pig farm. Porc Health Manag 5, 19 (2019). https://doi.org/10.1186/s40813-019-0126-9
    Abstract
    Background Pig performance and risk of disease are associated with production flow. Given the link between health and welfare, it is likely that animal welfare indicators are also associated with production flow. This study investigated the association between production flow and tail, ear and skin lesions on a farm with a purported ‘all-in/all-out’ policy. This was an observational study whereby pigs were managed according to routine farm practice. A total of 1,016 pigs born within 1 week from the same batch were followed through the production stages and the presence or absence of welfare indicators was recorded at 4, 7, 9, 12, 16 and 24 weeks of age. Three production flows were retrospectively identified: flow 1 = ‘normal’ pigs that advanced through the production stages together ‘on time’, flow 2 = pigs delayed from advancing from the 1st to the 2nd nursery stage by 1 week and flow 3 = pigs delayed from advancing through the production stages by > 1 week. A nested case control design was applied by matching pigs by sow parity, number of born alive and birth weight. Results The presence of ear lesions was 4.5 less likely in pigs in flow 2 and 2.9 times less likely in pigs in flow 3 (P < 0.001) compared to pigs in flow 1. Pigs in flow 3 were 2.2 more likely to have tail and 1.6 times more likely to have ear lesions (P < 0.001) compared to pigs in flow 2. Pigs in flow 2 were less likely to have tail lesions compared with pigs in flow 1 (P < 0.05). Differences between production flows for the risk of skin lesions varied according to age (P < 0.05). Conclusion All production flows were associated with a high risk of lesions which raises concerns for pig welfare. However, risks for ear, tail and skin lesions varied according to each production flow likely due to the specific management practices inherent to each flow. Results from this study could be used to modify existing management practices, thus leading to improvements in animal welfare and possibly performance in intensive pig systems.
    Funder
    Department of Agriculture, Food and the Marine
    Grant Number
    14/S/832
    ae974a485f413a2113503eed53cd6c53
    https://doi.org/10.1186/s40813-019-0126-9
    Scopus Count
    Collections
    Pig Development
    Teagasc publications in Biomed Central

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