How to calculate chicken feed intake?

For chicks 10 days old, the daily feed gram per chicken is day age +2; for chicks 11-20 days old, the daily feed gram per chicken is day age +1; for chicks 21-50 days old , The number of grams of feed per chicken is equal to the age of the chicks; for chickens from 51 to 150 days, the feed volume per chicken is 50+ (number of days-50) ÷ 2; for chickens over 150 days old , Each chicken's daily feed volume can be stabilized at more than 100 grams.

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