Reproductive Performance Following Timed Artificial Insemination in Silage-fed Beef Cows

the Effects of Synchronization Method and Postpartum Energy Intake

Authors

  • Jeff Wichtel Atlantic Veterinary College, Charlottetown PEI, CANADA
  • Ed Charmley AgCanada - Nappan Research Farm, Nappan NS, CANADA
  • Gavin Richardson Atlantic Veterinary College, Charlottetown PEI, CANADA
  • Rob Lofstedt Atlantic Veterinary College, Charlottetown PEI, CANADA

DOI:

https://doi.org/10.21423/aabppro20035293

Keywords:

estrous synchrony, energy intake, estrous synchronization, Ovsyilch, CIDR, artificial insemination

Abstract

Many studies have examined methods for estrous synchrony in beef cows, yet very little controlled research has addressed the interaction between postpartum energy intake and synchrony system. The objectives of this study were to compare the effectiveness of two estrous synchronization methods (Ovsyilch or CIDR®) for use in timed artificial insemination (TAI) programs in silage-fed beef cows, and to examine interactions between synchronization method and postpartum energy intake.

Cover image of the 36th Conference Proceedings: Holstein cows standing in a row at a fence. One cow has put her head through the fence and is curiously inspecting a pile of hay. Yellow background.

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Published

2003-09-18

Issue

2003

Section

Research Summaries - Beef