Aging meats improves their juiciness, tenderness, flavor, color, and their ability to brown during heating. This treatment pertains primarily to beef. Hanging aids in the aging process by stretching the muscles. The animal’s species, size, age, and activity before slaughter influence how long rigor mortis lasts. Beef takes about ten days to age, which is about the same amount of time it takes for meat to be transported, packaged, and sold to the consumer. Top quality beef is often aged longer, up to six weeks. Mutton is sometimes aged, but pork and veal come from such young animals that aging is not required to increase tenderness. The fat in pork tends to go rancid quickly, and veal’s lack of protective fat covering causes it to dry out too quickly - further reasons these meats are not routinely aged. Read more »