Double muscling- A genetic trait in cattle where muscles are greatly enlarged rather than duplicate muscles. Double-muscled cattle usually grow slowly, and their fat deposition in and on the carcass is much less than that of normal beef animals.
This is where you can find research-based information from America's land-grant universities enabled by eXtension.org
Bovine Respiratory Disease
This work is supported by the USDA National Institute of Food and Agriculture, New Technologies for Ag Extension project.