Journal of Dairy Science
Volume 91, Issue 9 , Pages 3353-3362 , September 2008

Analysis of Daily Body Weight of High-Producing Dairy Cows in the First One Hundred Twenty Days of Lactation and Associations with Ovarian Inactivity

  • M. van Straten

      Affiliations

    • Hachaklait, Mutual Society for Veterinary Services, POB 3039, Caesarea Industrial Park 38900, Israel
    • Koret School of Veterinary Medicine, Faculty of Agriculture, Hebrew University of Jerusalem, POB 12, Rehovot 76100, Israel
    • Department of Epidemiology and Health Service Evaluation, Faculty of Health Sciences, Ben-Gurion University of the Negev, POB 653, Beer Sheva 84105, Israel
    • Corresponding Author InformationCorresponding author.
    • ,
  • N.Y. Shpigel

      Affiliations

    • Koret School of Veterinary Medicine, Faculty of Agriculture, Hebrew University of Jerusalem, POB 12, Rehovot 76100, Israel
    • ,
  • M. Friger

      Affiliations

    • Department of Epidemiology and Health Service Evaluation, Faculty of Health Sciences, Ben-Gurion University of the Negev, POB 653, Beer Sheva 84105, Israel

Received 15 January 2008 ,Accepted 20 May 2008.

  • Image Result

    An example of raw data (○), polynomial smoothing (□), and cubic splines smoothing (▵) of daily BW from calving to 120 DIM from 1 cow.

    An example of raw data (○), polynomial smoothing (□), and cubic splines smoothing (▵) of daily BW from calving to 120 DIM from 1 cow.

  • Image Result

    Relative BW change from calving to 120 DIM for first-parity (○), second-parity (□), and older (▵) cows, adjusted for farm and repeated BW measurements of the same cow.

    Relative BW change from calving to 120 DIM for first-parity (○), second-parity (□), and older (▵) cows, adjusted for farm and repeated BW measurements of the same cow.

PII: S0022-0302(08)71050-6

doi: 10.3168/jds.2008-1020

Journal of Dairy Science
Volume 91, Issue 9 , Pages 3353-3362 , September 2008

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