University of Illinois Extension

Illini DairyNet Papers

Heat Detection Is Still Important When Using Ovsynch Programs
Richard L. Wallace
08/21/2005

TAKE HOME MESSAGES

  • Consistent and persistent timed insemination programs can improve reproductive efficiency.
  • Reproductive parameters typically analyzed through DHIA records will not show improvement for at least one year after implementation of timed AI programs.
  • PreSynch and CoSynch alone improved reproductive efficiency at the University of Illinois Dairy, but increase emphasis on improving heat detection is warranted.

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