Association of season and herd size with somatic cell count for cows in Irish, English, and Welsh dairy herds

Veterinary Journal

Volumn 196, Issue 3, 2013, Pages 515-521

  Archer, Simon C ^a   Mc Coy, Finola ^b   Wapenaar, Wendela ^a   Green, Martin J ^a  

^a UNIVERSITY OF NOTTINGHAM   (United Kingdom)

^b ANIMAL AND GRASSLAND RESEARCH AND INNOVATION CENTRE   (Ireland)

Author keywords

Dairy cow; Herd size; Modelling; Season; Somatic cell count

Indexed keywords

ANIMAL CELL; ANIMAL EXPERIMENT; ARTICLE; CELL COUNT; CELL EXPANSION; CONTROLLED STUDY; DAIRY CATTLE; FEMALE; HERD; HERD SIZE; LACTATION; MILK LEVEL; MILK PRODUCTION; MILK YIELD; NONHUMAN; POPULATION SIZE; SEASONAL VARIATION; SOMATIC CELL COUNT; VALIDATION PROCESS;

ANIMAL HUSBANDRY; ANIMALS; CATTLE; ENGLAND; FEMALE; IRELAND; LACTATION; MASTITIS, BOVINE; MILK; SEASONS; WALES;

EID: 84879412426     PISSN: 10900233     EISSN: 15322971     Source Type: Journal    
DOI: 10.1016/j.tvjl.2012.12.004     Document Type: Article

References (24)

1. Bailey K., Hardin D., Spain J., Garrett J., Hoehne J., Randle R., Ricketts R., Steevens B., Zulovich J. An economic simulation study of large-scale dairy units in the Midwest. Journal of Dairy Science 1997, 80:205-214.
2. Barbano D.M., Rasmussen R.R., Lynch J.M. Influence of milk somatic cell count and milk age on cheese yield. Journal of Dairy Science 1991, 74:369-388.
3. Barkema H.W., Schukken Y.H., Lam J.G.M., Beiboer M.L., Benedictus G., Brand A. Management practices associated with low, medium, and high somatic cell counts in bulk milk. Journal of Dairy Science 1998, 81:1917-1927.
4. Berry D.P., O'Brien B., O'Callaghan E.J., Sullivan K.O., Meaney W.J. Temporal trends in bulk tank somatic cell count and total bacterial count in Irish dairy herds during the past decade. Journal of Dairy Science 2006, 89:4083-4093.
5. Bradley A.J., Green M.J. Use and interpretation of somatic cell count data in dairy cows. In Practice 2005, 27:310-315.
6. DairyCo, 2010. Dairy Statistics. An Insider's Guide. (accessed 24 July 2011). http://www.dairyco.org.uk/library/market-information/dairy-statistics/dairy-statistics-an-insider's-guide-2010.aspx.
7. Dohoo I., Martin W., Stryhm H. Veterinary Epidemiologic Research 2009, VER Inc., Charlottetown, Prince Edward Island, Canada. Second Ed.
8. Goldstein H. Multilevel Statistical Models 2003, Arnold, London, UK. Third Ed.
9. Green L.E., Schukken Y.H., Green M.J. On distinguishing cause and consequence. Do high somatic cell counts lead to lower milk yield or does high milk yield lead to lower somatic cell count?. Preventive Veterinary Medicine 2006, 76:74-89.
10. Green M.J., Bradley A.J., Newton H., Browne W.J. Seasonal variation of bulk milk somatic cell counts in UK dairy herds: Investigations of the summer rise. Preventive Veterinary Medicine 2006, 74:293-308.
11. Halasa T., Huijps K., Osteras O., Hogeveen H. Economic effects of bovine mastitis and mastitis management: A review. Veterinary Quarterly 2007, 29:18-31.
12. ICBF, 2010. ICBF Dairy Cattle Statistics. (accessed 12 January 2012). http://www.icbf.com/publications/files/national_stats/National_Statistics_2010.pdf.
13. Lievaart J.J., Barkema H.W., Kremer W.D.J., van den Broek J., Verheijden J.H.M., Heesterbeek J.A.P. Effect of herd characteristics, management practices, and season on different categories of the herd somatic cell count. Journal of Dairy Science 2007, 90:4137-4144.
14. Lopez-Benavides M.G., Williamson J.H., Lacy-Hulbert S.J., Cursons R.T. Heifer teats sprayed in the dry period with an iodine teat sanitizer have reduced Streptococcus uberis teat-end contamination and less Streptococcus uberis intra-mammary infections at calving. Veterinary Microbiology 2009, 134:186-191.
15. Madouasse, A., 2009. An evaluation of milk recording, somatic cell counts and reproductive performance in a large cohort of dairy herds in England and Wales. Thesis, Ph.D., University of Nottingham.
16. Morse D., DeLorenzo A., Wilcok C.J., Collier R.J., Natzke R.P., Bray D.R. Climatic effects on occurrence of clinical mastitis. Journal of Dairy Science 1988, 71:848-853.
17. Olde Riekerink R.G.M., Barkema H.W., Stryhn H. The effect of season on somatic cell count and the incidence of clinical mastitis. Journal of Dairy Science 2007, 90:1704-1715.
18. Oleggini G.H., Ely L.O., Smith J.W. Effect of region and herd size on dairy herd performance parameters. Journal of Dairy Science 2001, 84:1044-1050.
19. Petrie A., Watson P. Statistics for Veterinary and Animal Science 2004, Blackwell Publishing, Oxford, UK.
20. Rasbash, J., Steele, F., Browne, W.J., Goldstein, H., 2009. A User's Guide to MLwiN, v2.10.
21. Santos M.V., Ma Y., Barbano D.M. Effect of somatic cell count on proteolysis and lipolysis in pasteurized fluid milk during shelf-life storage. Journal of Dairy Science 2003, 86:2491-2503.
22. Sargeant J.M., Schukken Y.H., Leslie E. Ontario bulk milk somatic cell count reduction program: Progress and outlook. Journal of Dairy Science 1998, 81:1545-1554.
23. Schepers A.J., Lam T.J.G.M., Schukken Y.H., Wilmink J.B.M., Hanekamp W.J.A. Estimation of variance components for somatic cell counts to determine thresholds for uninfected quarters. Journal of Dairy Science 1997, 80:1833-1840.
24. Silvestre A.M., Petim-Batista F., Colaço J. The accuracy of seven mathematical functions in modeling dairy cattle lactation curves based on test-day records from varying sample schemes. Journal of Dairy Science 2006, 89:1813-1821.