Novelty: an automatically-operated trough is disclosed. Constitution: the silo 1, the screw 2 set therein, the motor 3 and two timers 4. Function: upon regulation of the two timers, the motor 3 is operating to transfer, with the assistance of the screw, the dried food to the feeding place. Advantages: daily autonomous operation with 220 or 12 volts for feeding at precise time and with predefined quantities one or more animals (pets, pigeons, hens etc)