| Copper source1 | Copper level, mg/kg | Pooled SEM | P-value | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
0 | 20 | 40 | 80 | 160 | 200 | Treatment | Linear | Quadratic | |||
Fecal Cu | TBCC | 121.30f | 280.10e | 415.37d | 656.00c | 917.14b | 1353.44a | 8.49 | < 0.001 | < 0.001 | < 0.001 |
CuPro | 121.30e | 255.82d, * | 362.15c, * | 600.67b, * | 873.10a, * | – | 7.22 | < 0.001 | < 0.001 | < 0.001 | |
Fecal Zn | TBCC | 5720.19 | 5865.70 | 5729.98 | 5885.98 | 5786.74 | 5899.92 | 62.16 | 0.198 | 0.190 | 0.414 |
CuPro | 5720.19 | 5928.12 | 5760.37 | 5883.88 | 5793.44 | – | 118.13 | 0.711 | 0.920 | 0.776 | |
Fecal Fe | TBCC | 3058.96 | 3051.32 | 2998.86 | 2989.07 | 2953.81 | 3042.00 | 98.57 | 0.963 | 0.685 | 0.668 |
CuPro | 3058.96 | 2963.80 | 2964.34 | 3000.19 | 2976.71 | – | 57.77 | 0.754 | 0.605 | 0.740 |