Table 3 Body weight (BW), average daily gain (ADG), average daily feed intake (ADFI) and feed conversion ratio (FCR) of the birds fed with the experimental diets (hydroxychloride trace minerals, HTM and sulphate trace minerals, STM) in high and low dosages (± standard error)

BW, g

0

43.2 ± 0.2

43.2 ± 0.1

43.5 ± 0.3

43.2 ± 0.2

0.3240

0.3747

0.4937

10

275.7 ± 4.1

278.2 ± 2.0

277.6 ± 3.0

279.1 ± 2.0

0.5471

0.3927

0.7652

27

1774.0 ± 12.7

1787.4 ± 12.2

1810.2 ± 168

1806.1 ± 9.9

0.0229

0.6872

0.1112

34

2463.7 ± 13.5

2476.0 ± 15.3

2506.9 ± 21.6

2493.1 ± 18.3

0.0542

0.9657

0.2137

ADG, g/(bird·d)

0–10

23.3 ± 0.4

23.5 ± 0.2

23.4 ± 0.3

23.6 ± 0.2

0.6950

0.4004

0.8352

10–27

88.2 ± 0.6

88.8 ± 0.6

90.2 ± 0.8

89.8 ± 0.5

0.0738

0.8970

0.3155

27–34

98.7 ± 0.8

98.3 ± 0.9

99.5 ± 1.2

98.2 ± 1.4

0.7133

0.4015

0.7773

0–34

71.0 ± 0.4

71.6 ± 0.5

72.5 ± 0.6

72.2 ± 0.5

0.0130

0.7071

0.3407

ADFI, g/(bird·d)

0–10

25.1 ± 0.4

25.2 ± 0.3

25.1 ± 0.4

25.4 ± 0.3

0.6246

0.4419

0.7749

10–27

121.2 ± 0.8

122.0 ± 0.9

123.4 ± 1.2

123.8 ± 1.0

0.0846

0.6205

0.3499

27–34

156.8 ± 1.8

157.0 ± 1.1

158.3 ± 1.0

156.0 ± 1.7

0.8866

0.4835

0.7457

0–34

99.8 ± 0.6

100.6 ± 0.6

101.5 ± 0.8

101.5 ± 0.7

0.0125

0.4312

0.4505

FCR

0–10

1.088 ± 0.007

1.071 ± 0.001

1.073 ± 0.015

1.078 ± 0.012

0.7182

0.6065

0.7631

10–27

1.374 ± 0.006

1.374 ± 0.004

1.369 ± 0.004

1.378 ± 0.006

0.9621

0.6985

0.9611

27–34

1.590 ± 0.020

1.597 ± 0.010

1.593 ± 0.016

1.591 ± 0.026

0.8683

0.8420

0.9797

0–34

1.406 ± 0.008

1.406 ± 0.034

1.402 ± 0.005

1.407 ± 0.008

0.7415

0.6981

0.6875