2024-07-26 00:00:00 Grex, from Latin, Flock. We believe that caring for the flock is the most important task of a shepherd. As in the parable of the lost sheep, the shepherd left the 99 sheep to look for one that was lost. In order to be able to make this decision, we realized that he knew each one of them, had the exact count of the sheep, had a good management of his flock.