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Article: Case Study: The Effects of Severe Winter Weather on Net Energy for Maintenance Required by Yearling Steers
- Article from:
- Professional Animal Scientist
- Article date:
- October 1, 2008
- Author:
CopyrightCopyright American Registry of Professional Animal Scientists Oct 2008. Provided by ProQuest LLC. (Hide copyright information)
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ABSTRACT
Severe winter storms in southeast Colorado in December of 2006 and January 2007 resulted in severe economic losses for the cattle feeding industry. Two hundred fourteen steers were weighed on December 26, 2006, and average BW (minus 4% pencil shrink) was 558 kg ± 21.7. Over the following 58-d period there was a 7.0% death loss and ADG was -0.13 kg ± 0.21. Average steer BW (minus 4% pencil shrink) was 550 kg ± 18.7 on February 22, 2007. Total DM delivered was 53,436.7 kg and average NE^sub m^ concentration in the diet was 2.263 Mcal/kg DM. Daily DMI averaged 9.67 kg/d per head. Average shrunk BW(SBW) was 554.1 kg and average empty body weight (497.7 kg), empty body gain (-0.00686 ...