How much feed does a growing pig eat a day?

The amount of feed a pig eats each day is dependent on several factors of which size (weight) is most contributable.
Corn intake:
Birth to 40 lbs: 80 lbs
40-250 lbs: 490 lbs
Total: 570 lbs.
Expected Feed Intake (grams/day):
Pig weight (lb) Feed intake (lbs/day)
6-11 0.55
11-22 1.10
22-44 2.20
44-110 4.10
110-170 5.70
170-265 6.80

Total feed intake = 570-640 lbs