Table 2.
Item | Initial BW,g | Final BW,g | ADG,g | ADFI,g | F:G2ratio |
---|---|---|---|---|---|
Added Zn source and concentration, mg/kg | |||||
Control | |||||
0 | 887.0 | 1,054.8 | 2.48 | 92.75 | 41.01 |
ZnSO4∙7H2O | |||||
100 | 903.9 | 1,122.0 | 2.63 | 83.04 | 28.69 |
300 | 889.5 | 1,049.4 | 2.81 | 67.33 | 26.21 |
900 | 906.1 | 1,129.3 | 3.00 | 67.39 | 23.74 |
ZnGly3 | |||||
100 | 907.5 | 1,110.0 | 2.89 | 78.28 | 25.43 |
300 | 888.1 | 1,118.3 | 3.28 | 62.16 | 20.39 |
900 | 886.7 | 1,095.6 | 2.98 | 86.91 | 28.58 |
ZnPOS4 | |||||
100 | 905.6 | 1,114.6 | 2.98 | 77.94 | 29.68 |
300 | 895.5 | 1,102.1 | 3.38 | 67.43 | 21.48 |
900 | 881.6 | 1,118.2 | 3.38 | 72.76 | 21.94 |
SEM | 10.3 | 18.1 | 0.11 | 1.28 | 0.26 |
Zn sources | |||||
ZnSO4 | 905.4 | 1,102.4b | 2.82b | 72.96 | 26.22 |
ZnGly | 893.6 | 1,107.9ab | 3.06ab | 75.78 | 24.81 |
ZnPOS | 890.6 | 1,111.0a | 3.25a | 72.71 | 24.37 |
SEM | 7.7 | 15.3 | 0.14 | 7.07 | 0.19 |
Zn concentrations, mg/kg | |||||
100 | 906.9 | 1,045.3b | 2.84b | 79.86 | 28.11a |
300 | 895.1 | 1,092.5b | 3.12ab | 65.77 | 24.48ab |
900 | 890.8 | 1,114.4a | 3.19a | 74.88 | 22.61b |
SEM | 7.7 | 15.3 | 0.14 | 7.07 | 0.19 |
Linear | 0.67 | 0.65 | 0.12 | 0.36 | 0.01 |
Quadratic | 0.86 | 0.74 | 0.26 | 0.13 | 0.03 |
P-value | |||||
Sources | 0.88 | 0.03 | 0.04 | 0.23 | 0.09 |
Concentrations | 0.29 | 0.04 | 0.02 | 0.12 | 0.02 |
Concentration × source | 0.69 | 0.84 | 0.65 | 0.56 | 0.74 |
Means within a row with different superscripts differ (P < 0.05).
Data are expressed as least squares means with pooled SEM; n = 15 per treatment.
F:G = feed:gain.
ZnGly = zinc glycinate.
ZnPOS = Zn pectin oligosaccharides.