Water
Birds produce a substantial volume of water which passes into the environment. Removing this water from
the house is an important function of the ventilation system.
A 2.3 kg (5.1 lb) bird will consume some 6.3 liters (1.7 gallons) of water in its lifetime and emit into the house
atmosphere some 4.9 liters (1.3 gallons) of water. For 10,000 bird broiler flock this means that some 49,000
liters (12,944 gallons) of water will be lost to the environment as expired moisture or excreted in droppings.
The ventilation system must remove this water load from the house.