Proportion by intake
At normal temperature (20 C), the water intake of chickens should be twice as much as that of food intake; at high temperature (above 33 C), the water intake should be five times as much as that of food intake.
Egg laying rate
When the laying rate was 50%, the water requirement of each laying hen was 170 ml per day; after that, the water consumption increased by 12 ml for every 10% increase in laying rate.
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