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    Lameness prevalence and management practices on Irish pasture-based dairy farms

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    Author
    Browne, N.
    Hudson, C. D.
    Crossley, R. E.
    Sugrue, K.
    Kennedy, Emer
    Huxley, J. N.
    Conneely, Muireann
    Keyword
    lameness management practices
    risk factors
    dairy farms
    cows
    Date
    2022-06-08
    
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    URI
    http://hdl.handle.net/11019/2809
    Citation
    Browne, N., Hudson, C.D., Crossley, R.E. et al. Lameness prevalence and management practices on Irish pasture-based dairy farms. Ir Vet J 75, 14 (2022). https://doi.org/10.1186/s13620-022-00221-w
    Abstract
    Background Lameness is a painful disease, which negatively impacts dairy cow production and welfare. The aim of this observational study was to determine herd lameness prevalence, describe current lameness management practices and identify the presence of established risk factors for lameness on Irish pasture-based dairy farms. Farms were visited once during grazing (99 farms) and again during housing (85 farms). Lameness scoring was carried out at each visit (AHDB 0–3 scale); cows were classified as lame if they scored two or three. Farm management practices and infrastructure characteristics were evaluated via farmer questionnaires and direct measurements of farm infrastructure. Results Median herd-level lameness prevalence was 7.9% (interquartile range = 5.6 – 13.0) during grazing and 9.1% (interquartile range = 4.9 – 12.0) during housing; 10.9% of cows were lame at a single visit and 3.5% were lame at both visits (chronically lame or had a repeat episode of lameness). Fifty-seven percent of farmers were not familiar with lameness scoring and only one farm carried out lameness scoring. Only 22% of farmers kept records of lame cows detected, and 15% had a lameness herd health plan. Twenty-eight percent of farmers waited more than 48 h to treat a lame cow, and 21% waited for more than one cow to be identified as lame before treating. Six percent of farmers carried out routine trimming and 31% regularly footbathed (> 12 times per year). Twelve percent put severely lame cows in a closer paddock and 8% stated that they used pain relief to treat severely lame cows. Over 50% of farms had at least one cow track measurement that was classified as rough or very rough, and cow tracks were commonly narrow for the herd size. On 6% of farms, all cubicle beds were bare concrete (no matting or bedding) and on a further 6% of farms, there was a combination of cubicles with and without matting or bedding. On 56% of farms, all pens contained less than 1.1 cubicles per cow and on 28% of farms, a proportion of pens contained less than 1.1 cubicles per cow. Conclusions Overall, this study identified infrastructure and management practices which could be improved upon. The comparatively low lameness prevalence demonstrated, compared to fully housed systems, also highlights the benefits of a pasture-based system for animal welfare; however, there remains scope for improvement.
    Funder
    Teagasc Walsh Scholarship Programme; Dairy Research Ireland
    ae974a485f413a2113503eed53cd6c53
    https://doi.org/10.1186/s13620-022-00221-w
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    Teagasc publications in Biomed Central

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