Animal Science Department

 

Date of this Version

January 2008

Comments

Published in 2008 Nebraska Beef Cattle Report. Copyright © 2007 The Board of Regents of the University of Nebraska.
Available online at http://beef.unl.edu/reports.shtml

Abstract

Developing heifers to reach a target weight of 50% of mature body weight at the beginning of the breeding season is an effective method for reducing heifer development cost. Net costs to produce a bred yearling heifer and 2-year-old cow were lower when heifers were developed to 50% rather than 55% of mature body weight, regardless of breeding season length. Administration of oral progestin to heifers developed to 50% mature body weight prior to breeding did not affect reproductive performance during the first breeding season when heifers were exposed to bulls 13 days after the end of progestin treatment.

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