Parameters

T1

T2

T3

T4

Average feed intake (kg/d)

1.84 ± 0.56^b

1.94 ± 0.18^b

2.24 ± 0.05^a

1.78 ± 0.04^b

Initial live weight (kg)

37.00 ± 4.49

37.67 ± 3.23

37.50 ± 2.03

37.17 ± 2.17

Final live weight (kg)

70.50 ± 9.27

64.00 ± 7.21

72.00 ± 3.76

58.00 ± 0.89

Total weight gain (kg)

33.50 ± 5.47

26.33 ± 4.26

34.50 ± 5.22

20.83 ± 2.14

Daily weight gain (kg)

0.34 ± 0.06

0.27 ± 0.04

0.35 ± 0.06

0.21 ± 0.02

FCR

5.41 ± 1.40^b

7.19 ± 1.62^b

6.40 ± 1.75^b

8.48 ± 0.80^a

Feed efficiency

0.19 ± 0.03^a

0.14 ± 0.04^a

0.16 ± 0.02^a

0.12 ± 0.01^b

HCN intake/kg body weight (mg/kg)

0.00 ± 0.00^d

0.18 ± 0.24^c

0.35 ± 0.16^b

0.51 ± 0.07^a