Improving the Value of Cull Cows by Feeding Prior to Slaughter

http://edis.ifas.ufl.edu/ ( Publisher's URL )
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Material Information

Title:
Improving the Value of Cull Cows by Feeding Prior to Slaughter
Physical Description:
Fact Sheet
Creator:
Carter, Jeffrey N.
Publisher:
University of Florida Cooperative Extension Service, Institute of Food and Agriculture Sciences, EDIS
Place of Publication:
Gainesville, Fla.
Publication Date:

Notes

Acquisition:
Collected for University of Florida's Institutional Repository by the UFIR Self-Submittal tool. Submitted by Melanie Mercer.
Publication Status:
Published
General Note:
"Original publication date August 2007. Reviewed October 2010."
General Note:
"AN169"

Record Information

Source Institution:
University of Florida Institutional Repository
Holding Location:
University of Florida
Rights Management:
All rights reserved by the submitter.
System ID:
IR00003766:00001


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Full Text

PAGE 1

Jeffrey N. Carter and D. Dwain Johnson2

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Improving the Value of Cull Cows by Feeding Prior to Slaughter 2 ad libitum Year 1. P = 0.12) P = 0.12) Year 2.

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Improving the Value of Cull Cows by Feeding Prior to Slaughter 3 Contribution of cull cows to ranch revenue Herd size, cows 100 Calf crop % 90 Calves to sell 90 500 $1.00 $45,000 Open cows to sell 10 950 $0.50 $4,750 Culled cows 10 950 $0.50 $4,750 $54,500 Open and culled cows have contributed 17.4% of the total ranch revenue. Open cows to sell 10 1150 $0.55 $6,325 Culled cows to sell 10 1150 $0.55 $6,325 $57,650 Open and culled cows have contributed an extra $3,150 in revenue, or 21.9% of the total ranch revenue. Cull cow values increased by 33% when cows were fed.

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Improving the Value of Cull Cows by Feeding Prior to Slaughter 4 Animal performance and carcass characteristics by slaughter date: Year 1 Slaughter Date Item DOF1=0 DOF1=90 Difference SEM Age, yr2 11.3 11.0 -0.3 Starting wt, lb2 872.6 867.9 -4.6 Ending wt, lb2 872.6 1112.7 240.1 Starting BCS2 4.3 4.2 -0.1 Ending BCS2 4.3 6.0 1.7 HCW, lb3 412.2 617.8 205.6 15.3 Marbling3 134.94 348.84 213.9 13.0 Rib-eye area, sq. in. 3 7.2 11.1 3.9 0.3 Carcass value, $/hd3 473.8 722.8 249.0 17.9 1 DOF=Days on feed. 2 Simple means. 3 LS means. 4 100 = Practically devoid; 200 = Traces; 300 = Slight; 400 = Small.

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Improving the Value of Cull Cows by Feeding Prior to Slaughter 5 Animal performance and carcass characteristics by slaughter date: Year 2 Slaughter Date Item DOF1=0 DOF1=48 Difference SEM Age, yr2 9.6 10.3 0.7 Starting wt, lb2 909.5 952.7 43.2 Ending wt, lb2 909.5 1068.0 158.5 Starting BCS2 3.4 3.6 0.2 Ending BCS2 3.4 6.0 2.6 HCW, lb3 453.8 583.1 129.3 14.1 Marbling3 210.04 245.44 35.4 15.0 Rib-eye area, sq. in. 3 10.6 10.6 0.3 Carcass value, $/hd3 530.9 682.2 151.30 16.4 1 DOF=Days on feed. 2 Simple means. 3 LS means. 4 100 = Practically devoid; 200 = Traces; 300 = Slight; 400 = Small.