Table 9.
Treatments mg/kg | CuSO4 | Cu(HMTBa)2 | SEM | p-value | ||||||
---|---|---|---|---|---|---|---|---|---|---|
|
|
|
||||||||
4 | 160 | 20 | 40 | 80 | 160 | Treatment | Linear | Quadratic | ||
Body weight (kg) | ||||||||||
d 0 | 32.29 | 32.42 | 32.52 | 32.33 | 32.22 | 32.40 | 0.29 | 0.98 | - | - |
d 21 | 52.57 | 52.58 | 52.52 | 52.60 | 52.54 | 52.56 | 0.30 | 1.00 | 0.99 | 0.99 |
d 42 | 72.16 | 73.43 | 72.00 | 71.75 | 72.41 | 72.88 | 0.42 | 0.08 | 0.89 | 0.99 |
d 62 | 89.45 | 90.54 | 89.35 | 89.52 | 89.38 | 90.27 | 0.43 | 0.24 | 0.88 | 0.75 |
d 80 | 101.69 | 101.88 | 100.69 | 100.92 | 101.98 | 102.48 | 0.57 | 0.24 | 0.96 | 0.75 |
d 100 | 117.54 | 117.86 | 117.28 | 118.22 | 119.67 | 118.91 | 0.60 | 0.07 | 0.14 | 0.25 |
d 0 to 21 | ||||||||||
ADG (kg) | 0.967 | 0.960 | 0.952 | 0.960 | 0.968 | 0.956 | 0.007 | 0.62 | 0.36 | 0.37 |
ADFI (kg) | 1.899 | 1.865 | 1.870 | 1.865 | 1.881 | 1.874 | 0.015 | 0.61 | 0.83 | 0.85 |
Gain:feed | 0.511 | 0.516 | 0.509 | 0.516 | 0.513 | 0.510 | 0.004 | 0.67 | 0.55 | 0.51 |
d 21 to 42 | ||||||||||
ADG (kg) | 0.932bcd | 0.988a | 0.927cd | 0.907d | 0.947bc | 0.961ab | 0.011 | <0.01 | 0.65 | 0.95 |
ADFI (kg) | 2.405bc | 2.486a | 2.411bc | 2.363c | 2.418abc | 2.445ab | 0.026 | 0.04 | 0.95 | 0.82 |
Gain:feed | 0.389abc | 0.398a | 0.384c | 0.385bc | 0.394ab | 0.394ab | 0.003 | 0.04 | 0.19 | 0.32 |
d 42 to 62 | ||||||||||
ADG (kg) | 0.865 | 0.849 | 0.868 | 0.889 | 0.847 | 0.873 | 0.011 | 0.11 | 0.26 | 0.27 |
ADFI (kg) | 2.561 | 2.555 | 2.536 | 2.553 | 2.525 | 2.555 | 0.026 | 0.92 | 0.83 | 0.80 |
Gain:feed | 0.339 | 0.335 | 0.343 | 0.350 | 0.335 | 0.343 | 0.004 | 0.16 | 0.36 | 0.40 |
d 62 to 80 | ||||||||||
ADG (kg) | 0.680ab | 0.630bc | 0.619c | 0.634bc | 0.699a | 0.665abc | 0.017 | 0.02 | <0.01 | <0.01 |
ADFI (kg) | 2.434 | 2.391 | 2.386 | 2.277 | 2.459 | 2.458 | 0.008 | 0.12 | 0.46 | 0.62 |
Gain:feed | 0.280 | 0.263 | 0.258 | 0.289 | 0.285 | 0.271 | 0.01 | 0.31 | 0.19 | 0.19 |
d 80 to 100 | ||||||||||
ADG (kg) | 0.835 | 0.791 | 0.816 | 0.837 | 0.876 | 0.821 | 0.02 | 0.10 | 0.06 | 0.06 |
ADFI (kg) | 2.340 | 2.266 | 2.332 | 2.399 | 2.343 | 2.292 | 0.05 | 0.58 | 0.74 | 0.60 |
Gain:feed | 0.358 | 0.350 | 0.351 | 0.350 | 0.374 | 0.359 | 0.007 | 0.16 | 0.09 | 0.11 |
d 0 to 100 | ||||||||||
ADG (kg) | 0.858 | 0.852 | 0.840 | 0.856 | 0.872 | 0.857 | 0.007 | 0.07 | <0.01 | <0.01 |
ADFI (kg) | 2.315 | 2.308 | 2.303 | 2.289 | 2.319 | 2.317 | 0.015 | 0.75 | 0.81 | 0.89 |
Gain:feed | 0.370 | 0.371 | 0.365 | 0.373 | 0.378 | 0.369 | 0.003 | 0.10 | 0.05 | 0.05 |
Means in a row with no common superscripts significantly differ (p<0.05).
Values represent the means of 8 pens with 20 to 22 pigs per pen.
All pigs were fed a Cu deficient diet for the first 21 days (d 0 to 21).