How long does it take mallards to consume the rice available on the refuge?
A4: Mallards must consume 3.2 ounces of rice per day just to sustain health/life. There are 45 pounds in a bushel of rice and the average rice production at Bald Knob is approximately 110 bu/ac. A concentration of 200,000 mallards will therefore consume 100 acres in 11.5 days; 400,000 mallards will do the same in 5.7 days; and 600,000 mallards will do the same in 3.8 days.
