What are the main components of the techniques for modified growth of broiler chickens?

A) Adequate and uniform growth at 7 days of age.
B) Growth is managed at a level below the maximum potential for weight gain in the period from 7 to 21 days.
C) Growth is managed to achieve body weight profiles lower than the maximum growth rate after 21 days.
D) The ideal growth profile for a flock depends on sex, final weight goal, any intermediate partial depopulation, weight at any given time, and required carcass yield.
E) All of the above.
A) A and B only.
B) B and C only.
C) C and D only.
D) D and E only.
E) All of the above.