: While .7z is a common compressed file format (7-Zip), in this specific instance, it is a livestock tattoo code where "7" is the individual number and "Z" represents the year of birth in the international year-letter code system. March 27, 2011 • 1 p.m. - Stallings Polled Herefords
: Details regarding her sire, dam, and expected progeny differences (EPDs) are listed in the 2011 Stallings Polled Herefords catalog. Delilah.7z
: You can look up the animal's records using her name or tattoo number on the American Hereford Association (AHA) website . : While