Parameter

Groups

NC

CS

I

II

III

Laying rate (%)

91.97 ± 3.35^Bb

92.43 ± 2.51^Bbc

94.50 ± 2.69^ac

96.88 ± 1.55^Aa

95.09 ± 1.48^a

Average egg weight (g)

61.11 ± 1.34^b

60.14 ± 1.56^Bab

62.65 ± 1.07^Aab

63.23 ± 2.12^Aa

61.66 ± 1.81^ab

Daily feed intake (g)

141.63 ± 3.98

141.98 ± 3.89

138.89 ± 4.58

141.29 ± 3.40

142.55 ± 2.19

Feed conversion ratio (g feed/g egg)

2.53 ± 0.17^B

2.54 ± 0.12^B

2.35 ± 0.12^A

2.31 ± 0.12^A

2.43 ± 0.10^AB