The invention relates to an animal marking system (1) provided with a drive device (10) and an animal marking fluid sprayer (2), the drive device (10) comprising an electric motor (11) associated with a transmission system (12), the transmission system receiving an initial torque from the electric motor (11), amplifying the received initial torque and transmitting the amplified torque to a drive shaft (3), the drive shaft (3) applying the amplified torque to actuate the animal marking fluid sprayer (2), the animal marking system (1) being able to be applied in extensive rural territory, where there is not a wide availability to use mechanisms that require high drive voltages.