Parameter

C¹

CC plus

AFC plus

Number of birds

80

80

80

Initial weight

48

48

48

Body weight at 21 d

925^b,2

1039^a

1101^a

Body weight at 33 d

1660^b

2019^a

2110^a

Feed intake at 21 d

1258^b

1326^a

1387^a

Feed intake at 33 d

2904^b

3218^a

3267^a

FCR at 21 d

1.36^a

1.27^b

1.26^b

FCR at 33 d

1.73^a

1.59^b

1.54^b