Performance, 0 to 28 days

Performance, 29 to 56 days

BW (g)

ADG (g/day)

ADFI (g/day)

FCR (g:g)

BW (g)

ADG (g/day)

ADFI (g/day)

FCR (g:g)

Effect of NA

Control 0 mg/kg

1095

37.0

52.9

1.430

4170

109.8

190.8^Y

1.738

100 mg/kg

1091

36.9

53.1

1.440

4200

111.0

192.0^XY

1.731

300 mg/kg

1121

37.9

54.8

1.445

4284

113.0

193.4^XY

1.712

1000 mg/kg

1113

37.7

53.7

1.427

4284

113.3

198.8^X

1.755

SEM

10.8

0.39

0.57

0.013

41.8

1.32

2.55

0.016

P-value (NA)

0.187

0.187

0.105

0.705

0.118

0.165

0.086

0.289

P-value (Linear)

0.195

0.195

0.422

0.581

0.062

0.071

0.012

0.257

P-value (Quadratic)

0.147

0.146

0.027

0.315

0.122

0.170

0.940

0.121

Effect of Sex

Female

1045ⁿ

35.2ⁿ

51.1ⁿ

1.451^m

3946ⁿ

103.6ⁿ

179.7ⁿ

1.735

Male

1165^m

39.5^m

56.1ⁿ

1.420ⁿ

4523^m

119.9^m

207.9^m

1.733

SEM

7.6

0.27

0.40

0.009

33.5

1.15

2.32

0.011

P-value (Sex)

<0.001

<0.001

<0.001

0.019

<0.001

<0.001

<0.001

0.917

Effect of NA × Sex

Control 0 mg/kg

Female

1030

34.7

50.5

1.457

3854

100.9

175.2

1.738

Male

1160

39.4

55.2

1.403

4485

118.8

206.5

1.739

100 mg/kg

Female

1041

35.1

50.7

1.445

3968

104.5

181.7

1.741

Male

1142

38.7

55.6

1.436

4433

117.5

202.3

1.721

300 mg/kg

Female

1058

35.7

52.1

1.459

3969

103.9

177.9

1.712

Male

1183

40.2

57.5

1.431

4600

122.0

209.0

1.712

1000 mg/kg

Female

1051

35.4

51.1

1.443

3995

105.1

183.9

1.750

Male

1174

39.9

56.2

1.410

4573

121.4

213.8

1.761

SEM

15.3

0.55

0.81

0.018

59.1

1.87

3.60

0.023

P-value (Interaction)

0.791

0.790

0.981

0.659

0.421

0.425

0.297

0.917