Breed

Model

A (g)

B

C

Index of fitness

Inflexions of growth (week)

Inflexions weight (g)

Shaobo

Logistic

2397.686

21.76

0.35

0.9947

8.80

1198.843

Von Bertalanfy

3685.375

1.00

0.13

0.9961

8.45

1064.041

Gompertz

2968.263

2.82

0.12

0.9989

8.64

1091.963

Huaixiang

Logistic

1832.664

19.69

0.35

0.9947

8.29

925.588

Von Bertalanfy

2354.741

1.00

0.13

0.9976

8.45

875.011

Gompertz

2423.338

3.14

0.16

0.9984

7.38

718.026

Youxi Chicken

Logistic

2237.614

17.27

0.32

0.9922

8.90

1118.807

Von Bertalanfy

3438.403

1.00

0.13

0.9988

8.45

1018.786

Gompertz

2806.504

2.93

0.12

0.9998

8.96

1032.455