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dc.contributor.authorO'Connor, Aisling
dc.contributor.authorBokkers, Eddie A.M.
dc.contributor.authorde Boer, Imke J. M.
dc.contributor.authorHogeveen, Henk
dc.contributor.authorSayers, Riona
dc.contributor.authorByrne, Nicky
dc.contributor.authorRuelle, Elodie
dc.contributor.authorShalloo, Laurence
dc.identifier.citationO'Connor, A., Bokkers, E., de Boer, I., Hogeveen, H., Sayers, R., Byrne, N., Ruelle, E. and Shalloo, L. Associating cow characteristics with mobility scores in pasture-based dairy cows. Journal of Dairy Science, 2019, 102(9), 8332-8342. doi:
dc.description.abstractThe quality of dairy cow mobility can have significant welfare, economic, and environmental consequences that have yet to be extensively quantified for pasture-based systems. The objective of this study was to characterize mobility quality by examining associations between specific mobility scores, claw disorders (both the type and severity), body condition score (BCS), and cow parity. Data were collected for 6,927 cows from 52 pasture-based dairy herds, including mobility score (0 = optimal mobility; 1, 2, or 3 = increasing severities of suboptimal mobility), claw disorder type and severity, BCS, and cow parity. Multinomial logistic regression was used for analysis. The outcome variable was mobility score, and the predictor variables were BCS, type and severity of claw disorders, and cow parity. Three models were run, each with 1 reference category (mobility score 0, 1, or 2). Each model also included claw disorders (overgrown claw, sole hemorrhage, white line disease, sole ulcer, and digital dermatitis), BCS, and cow parity as predictor variables. The presence of most types of claw disorders had odds ratios >1, indicating an increased likelihood of a cow having suboptimal mobility. Low BCS (BCS <3.00) was associated with an increased risk of a cow having suboptimal mobility, and relatively higher parity was also associated with an increased risk of suboptimal mobility. These results confirm an association between claw disorders, BCS, cow parity, and dairy cow mobility score. Therefore, mobility score should be routinely practiced to identify cows with slight deviations from the optimal mobility pattern and to take preventive measures to keep the problem from worsening.en_US
dc.relation.ispartofseriesJournal of Dairy Science;Vol. 102 (9)
dc.rightsAttribution-NonCommercial-ShareAlike 3.0 United States*
dc.subjectclaw disorderen_US
dc.subjectbody conditionen_US
dc.subjectgrass-based systemen_US
dc.titleAssociating cow characteristics with mobility scores in pasture-based dairy cowsen_US
dc.contributor.sponsorDepartment of Agriculture, Food and the Marineen_US
dc.contributor.sponsorTeagasc Walsh Fellowship Programmeen_US
dc.contributor.sponsorGrantNumber14 S 801en_US

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