Table 2 Animal performance in response to a high-starch (HiS) or low-starch (LoS) diet during a 112-d growing phase.

Body weight (kg)

Birth

39.9

40.5

36.3

40.1

1.6

0.23

0.20

0.34

   Initial, d 0

165

177

135

195

15

0.36

0.26

0.39

   d 56

243

254

196

268

14

0.27

0.02

0.07

   Final, d 112

331

352

294

373

16

0.61

0.01

0.10

ADG (kg/d)

   0 to 56 d

1.40

1.38

1.08

1.32

0.07

0.02

0.15

0.09

   56 to 112 d

1.56

1.73

1.74

1.86

0.08

0.11

0.11

0.75

   0 to 112 d

1.48

1.56

1.41

1.59

0.07

0.77

0.10

0.47

Dry matter intake (kg/day)

   0 to 56 d

6.34

6.24

5.88

7.79

0.42

0.23

0.06

0.04

   56 to 112 d

7.45

7.42

8.04

9.56

0.52

0.03

0.18

0.17

   0 to 112 d

6.73

6.75

6.77

8.56

0.45

0.07

0.04

0.05

NE_G intake (Mcal/day)¹

   0 to 56 d

9.07

8.93

6.99

9.27

0.56

0.16

0.09

0.06

   56 to 112 d

10.6

10.6

9.57

11.4

0.67

0.81

0.21

0.21

   0 to 112 d

9.77

9.67

8.13

10.2

0.57

0.36

0.12

0.09

Residual feed intake

-0.63

-1.58

1.22

1.10

0.62

0.006

0.41

0.52

Feed efficiency² (kg/kg)4

   0 to 56 d

0.22

0.22

0.18

0.17

0.02

0.04

0.68

0.75

   56 to 112 d

0.21

0.24

0.22

0.19

0.01

0.29

0.86

0.14

   0 to 112 d

0.22

0.23

0.21

0.18

0.01

0.09

0.77

0.35

Day 112 ultrasound

   Marbling score

4.37

3.97

4.90

4.05

0.24

0.21

0.06

0.39

   Back fat (mm)

0.21

0.16

0.14

0.13

0.03

0.16

0.43

0.62

   Muscle depth (mm)

53.4

51.8

53.0

48.9

3.3

0.61

0.52

0.74