"Effect of Heifer Development System on Reproduction and Subsequent Gai" by Shelby A. Springman, Hazy Rae Nielson et al.

Animal Science, Department of

 

Date of this Version

2017

Citation

2017 Nebraska Beef Cattle Report. University of Nebraska Extension MP104. Lincoln, NE.

Comments

© 2016 The Board Regents of the University of Nebraska.

Abstract

Weaned heifers grazed corn residue, upland range, or were fed 1 of 2 drylot diets differing in energy. Heifer development diets did not impact their resulting AI or final pregnancy rates. Cost per pregnant heifer was similar among treatments. A subset of AI- pregnant heifers was placed in a Calan Broadbent individual feeding system during late gestation. As a pregnant heifer, feed efficiency was not impacted by development system. These results indicate producers may utilize their most readily available and/or cost- effective feed resources with no detriment to pregnancy rates or feed efficiency as first- calf heifers.

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