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Journal of Dairy Science Vol. 21 No. 6 283-287
© 1938 by American Dairy Science Association ®
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A Diagrammatic Method of Presenting the History of Reproduction in a Dairy Herd

S. W. Mead

College of Agriculture, University of California, Davis

ABSTRACT

A diagrammatic method of showing the history of reproduction in dairy herds is presented. The advantages of this method are as follows:

  1. The reproductive history of the entire herd, over a long period, may be seen at a glance.
  2. The individual performance of each animal can be easily followed.
  3. Frequent recordings of data on the chart permit an early diagnosis of abnormal reproduction.
  4. The method greatly facilitates the analysis of the data from various angles.






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Copyright © 1938 by the American Dairy Science Association ®.