Journal of Dairy Science
Volume 90, Issue 12 , Pages 5415-5427 , December 2007

Estimating Degree of Mastitis from Time-Series Measurements in Milk: A Test of a Model Based on Lactate Dehydrogenase Measurements

  • N.C. Friggens

      Affiliations

    • University of Aarhus, Faculty of Agricultural Sciences, Research Centre Foulum, PO Box 50, 8830 Tjele, Denmark
    • Corresponding Author InformationCorresponding author.
    • ,
  • M.G.G. Chagunda

      Affiliations

    • University of Aarhus, Faculty of Agricultural Sciences, Research Centre Foulum, PO Box 50, 8830 Tjele, Denmark
    • Current address: Scottish Agricultural College, Sustainable Livestock Systems Group, Dairy Research Centre, Midpark House, Bankend Road, Dumfries, DG1 4SZ, Scotland.
    • ,
  • M. Bjerring

      Affiliations

    • University of Aarhus, Faculty of Agricultural Sciences, Research Centre Foulum, PO Box 50, 8830 Tjele, Denmark
    • ,
  • C. Ridder

      Affiliations

    • University of Aarhus, Faculty of Agricultural Sciences, Research Centre Foulum, PO Box 50, 8830 Tjele, Denmark
    • Lattec I/S, Slangerupgade 69, 3400 Hillerød, Denmark
    • ,
  • S. Hojsgaard

      Affiliations

    • University of Aarhus, Faculty of Agricultural Sciences, Research Centre Foulum, PO Box 50, 8830 Tjele, Denmark
    • ,
  • T. Larsen

      Affiliations

    • University of Aarhus, Faculty of Agricultural Sciences, Research Centre Foulum, PO Box 50, 8830 Tjele, Denmark

Received 27 February 2007 ,Accepted 17 August 2007.

References 

  1. Cavero D, Tölle KH, Buxadé C, Krieter J. Mastitis detection in dairy cows by application of fuzzy logic. Livest. Sci. 2007;105:207–213
  2. Chagunda MGG, Friggens NC, Larsen T, Rasmussen MD. A biological model for detecting individual cow mastitis risk based on lactate dehydrogenase: Model description. J. Dairy Sci. 2006;89:2980–2998
  3. de Haas Y, Barkema HW, Veerkamp RF. The effect of pathogen-specific clinical mastitis on the lactation curve for somatic cell count. J. Dairy Sci. 2002;85:1314–1323
  4. de Mol RM, Ouweltjes W. Detection model for mastitis in cows milked in an automatic milking system. Prev. Vet. Med. 2001;49:71–82
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  6. Dohoo IR, Leslie KE. Evaluation of changes in somatic cell counts as indicators of new intramammary infections. Prev. Vet. Med. 1991;10:225–237
  7. Gardner IA, Greiner M. Receiver-operating characteristic curves and likelihood ratios: Improvements over traditional methods for the evaluation and application of veterinary clinical pathology tests. Vet. Clin. Pathol. 2006;35:8–17
  8. Green MJ, Burton PR, Green LE, Schukken YH, Bradley AJ, Peeler EJ, et al. The use of Markov chain Monte Carlo for analysis of correlated binary data: Patterns of somatic cells in milk and the risk of clinical mastitis in dairy cows. Prev. Vet. Med. 2004;64:157–174
  9. Greiner M, Gardner IA. Epidemiologic issues in the validation of veterinary diagnostic tests. Prev. Vet. Med. 2000;45:3–22
  10. Hillerton JE. Annual Meeting National Mastitis Council, National Mastitis Council. Proc. 39th. Madison, WI: Detecting mastitis cow-side; 2000;Pages48–53
  11. IDF. Recommendations for presentation of mastitis-related data. Bulletin 321. Brussels, Belgium: International Dairy Federation; 1997;
  12. Larsen T. Determination of lactate dehydrogenase (LDH) activity in milk by a fluorometric assay. J. Dairy Res. 2005;72:209–216
  13. Lasko TA, Bhagwat JG, Zou KH, Ohno-Machado L. The use of receiver operating characteristic curves in biomedical informatics. J. Biomed. Inform. 2005;38:404–415
  14. Norberg E, Hogeveen H, Korsgaard IR, Friggens NC, Sloth KHMN, Løvendahl PL. Electrical conductivity in milk: Ability to predict mastitis status. J. Dairy Sci. 2004;87:1099–1107
  15. Rasmussen MD, Bjerring M, Skj Føth. Visual appearance and CMT score of foremilk of individual quarters in relation to cell count of cows milked automatically. J. Dairy Res. 2005;72:49–56
  16. Sloth KHM N, Friggens NC, Løvendahl PL, Andersen PH, Jensen J, Ingvartsen KL. Potential for improving description of bovine udder health status by combined analysis of milk parameters. J. Dairy Sci. 2003;86:1221–1232
  17. Toft N, Jørgensen E, Højsgaard S. Diagnosing diagnostic tests: Evaluating the assumptions underlying the estimation of sensitivity and specificity in the absence of a gold standard. Prev. Vet. Med. 2005;68:19–33
  18. Wang C, Turnbull BW, Gröhn Y T, Nielsen SS. Estimating receiver operating characteristic curves with covariates when there is no perfect reference test for diagnosis of Johne's disease. J. Dairy Sci. 2006;89:3038–3046

PII: S0022-0302(07)72014-3

doi: 10.3168/jds.2007-0148

Journal of Dairy Science
Volume 90, Issue 12 , Pages 5415-5427 , December 2007

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