Dietary Ca, %

P-value

Expected Ca level

0.60

0.70

0.80

0.90

SEM

Linear

Quadratic

Analyzed Ca level

0.555 ± 0.034

0.654 ± 0.021

0.786 ± 0.069

1.010 ± 0.087

SD

0.034

0.021

0.069

0.087

Days on Treatment

112

112

112

112

Pen replicates

4

4

4

4

1 - 84 d

ADG, kg

1.32

1.29

1.30

1.30

0.02

0.49

0.42

DMI, kg/d

5.31

5.15

5.24

5.24

0.09

0.59

0.28

Gain:Feed

0.25

0.25

0.25

0.25

0.002

0.81

0.66

Dietary NE, Mcal/kg

Maintenance

1.89

1.88

1.87

1.87

0.02

0.37

0.88

Gain

1.25

1.24

1.23

1.23

0.01

0.37

0.88

Observed/expected DMI

1.18

1.19

1.20

1.20

0.01

0.37

0.86

85 - 112 d

ADG, kg

1.38

1.39

1.45

1.45

0.04

0.29

0.72

DMI, kg/d

6.42

6.30

6.10

6.10

0.09

0.04

0.72

Gain:Feed

0.22

0.22

0.24

0.24

0.006

0.03

0.54

Dietary NE, Mcal/kg

Maintenance

2.05

2.06

2.17

2.17

0.04

0.05

0.32

Gain

1.38

1.40

1.49

1.49

0.03

0.05

0.32

Observed/expected DMI

1.08

1.07

1.01

1.01

0.02

0.04

0.29

1 - 112 d

Weight, kg

Initial

129

126

126

126

1.26

0.13

0.33

Final

279

273

276

276

3.33

0.53

0.33

ADG, kg

1.34

1.31

1.34

1.34

0.02

0.98

0.45

DMI, g/d

5.59

5.44

5.46

5.46

0.09

0.29

0.43

Gain:Feed

0.24

0.24

0.25

0.25

0.003

0.23

0.90

Dietary NE, Mcal/kg

Maintenance

1.94

1.94

1.96

1.96

0.02

0.49

0.70

Gain

1.29

1.29

1.31

1.31

0.02

0.49

0.70

Observed/expected DMI

1.15

1.15

1.13

1.13

0.01

0.48

0.68