Animal Science Department

 

Date of this Version

2013

Citation

Published in 2013 Nebraska Beef Cattle Report.

Comments

Copyright © 2013 The Board of Regents of the University of Nebraska. Used by permission. All rights reserved.

Abstract

Strip loins and eye of rounds from steers genotyped as having zero, one, or two copies of the inactive myostatin (IM) mutation were obtained. Steaks for nutrient analysis were cut and frozen and steaks for tenderness were aged for 14 days and cooked fresh, never frozen. Meat from cattle with one copy and two copies were more tender than zero copy cattle for eye of round steaks. Homozygous IM cattle had less overall fat content and calories than homozygous normal cattle.



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