... )ventilator, evaporative cooling pad 2)feeding system 3)watering system poultry farm cooling, most economy and high efficiency way, ventilator and cooling padventilation ... system: ventilator, poultry fan, evaporative cooling padfeeding system: feeder, feed delivery system, and other partsWatering syetem: nipple drinker, medicator, adjusterControlling equipments: temperature sensor ...