There is tremendous debate over the proper age to begin training a foal. Some advocate beginning to accustom a foal to human handling from the moment of birth, using a process termed imprinting or "imprint training". Others feel that imprint training of a foal interferes with the mare and foal bond and prefer to wait until the foal is a few days old, but do begin training within the first week to month of life. Yet other horse breeding operations wait until weaning, theorizing that a foal is more willing to bond to a human as a companion at the time it is separated from its mother. Regardless of theory, most modern horse breeding operations consider it wise to give a foal basic training while it is still young, and consider it far safer than trying to tame a semi-feral adult-sized horse.