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Association between somatic cell count and serial locomotion score assessments in UK dairy cows

Archer, Simon C.; Madouasse, A.; Green, Martin J.; Huxley, Jonathan

Authors

Simon C. Archer simon.archer@nottingham.ac.uk

A. Madouasse aurelien.Madouasse@oniris-nantes.fr

Martin J. Green martin.green@nottingham.ac.uk

Jonathan Huxley jon.huxley@nottingham.ac.uk



Abstract

This research investigated the effect of lameness, measured by locomotion score (LS) on the somatic cell count (SCC) of UK dairy cows. The data set consisted of 11,141 records of SCC and LS collected monthly on 12 occasions from 1,397 cows kept on 7 farms. The data were analyzed to account for the correlation of repeated measures of SCC within cow. Results were controlled for farm of origin, stage of lactation, parity, season, and test-day milk yield. Compared with the geometric mean SCC for cows with LS 1 on each farm, cows on farm 3 with LS 2 produced milk with 28,000 fewer somatic cells/mL, and cows with LS 2 on farm 6 produced milk with 30,000 fewer somatic cells/mL at a test day within 10 d. Cows that would have LS 3 six months later produced milk with 16,000 fewer somatic cells/mL compared with the geometric mean SCC for cows that would have LS 1 in 6 mo time. These results illustrate differences in disease dynamics between farms, highlight potential conflict between lameness and mastitis control measures, and emphasize the importance of developing farm-specific estimates of disease costs, and hence, health management plans in clinical practice.

Journal Article Type Article
Publication Date Jan 1, 2011
Journal Journal of Dairy Science
Print ISSN 0022-0302
Electronic ISSN 0022-0302
Publisher American Dairy Science Association
Peer Reviewed Peer Reviewed
Volume 94
Issue 9
APA6 Citation Archer, S. C., Madouasse, A., Green, M. J., & Huxley, J. (2011). Association between somatic cell count and serial locomotion score assessments in UK dairy cows. Journal of Dairy Science, 94(9), doi:10.3168/jds.2011-4276
DOI https://doi.org/10.3168/jds.2011-4276
Keywords locomotion score; somatic cell count; dairy cow
Publisher URL http://dx.doi.org/10.3168/jds.2011-4276
Copyright Statement Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by-nc/4.0
Additional Information © American Dairy Science Association

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by-nc/4.0





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