A method for mass-production butchering of a chuck roll of beef includes: sectioning the chuck roll anterior to and generally parallel to the first rib to separate a neck portion thereof from a remainder thereof sectioning the remainder into a first portion and a second portion substantially along a natural seam, the first portion comprising rhomboideus, spinalis dorsi, and serratus ventralis muscles, and the second portion comprising multifidus dorsi, complexus, and longissimus dorsi muscles sectioning the first portion to substantially remove the rhomboideus and the spinalis dorsi therefrom, leaving a denuded serratus ventralis sectioning the serratus ventralis into a first set of separate portions. The method may further include: sectioning the second portion into a second set of separate portions, each separate portion in the second set including the multifidus dorsi, complexus, and longissimus dorsi muscles.