Cows Identified by Retinal Imaging
wackoman2112 writes "According to this article, ranchers on western cattle ranches are keeping track of their cattle with the "OptiReader," a small handheld which takes retinal scans. They scan a cow's eye and record information in the database about the animal's color, weight, and genetic linage. Hmmm... This could be justification for a YRO for animals."
Rectal imaging...