Table 2.
Growth performance of broilers challenged with Eimeria spp. and fed different levels of inorganic minerals (Cu and Zn) at 12–20 days of age, 1,2.
| BW (kg) | BWG (kg) | FI (kg) | FCR (kg/kg) | |
|---|---|---|---|---|
| NC | 0.784a | 0.484a | 0.759a | 1.583b |
| CC | 0.658b | 0.357b | 0.668bc | 1.876a |
| 100 Cu | 0.668b | 0.368b | 0.669b | 1.820a |
| 150 Cu | 0.651b | 0.351b | 0.621c | 1.778ab |
| 80 Zn | 0.636b | 0.335b | 0.651bc | 1.965a |
| 100 Zn | 0.657b | 0.356b | 0.656bc | 1.844a |
| P-Value | <0.0001 | <0.0001 | <0.0001 | 0.015 |
| SE | 9.974 | 9.971 | 9.341 | 0.033 |
1
Non-challenged control (NC), Challenged control (CC), 100 ppm Cu (100 Cu), 150 ppm Cu (150 Cu), 80 ppm Zn (80 Zn), and 100 ppm Zn (100 Zn); SE: standard error.
2
BW: body weight; BWG: body weight gain; FI: feed intake; FCR: feed conversion ratio (FI/BWG).
a, b, c
mean within a column with different superscripts are significantly different (P < 0.05). Values of mean represent 6 replicated pens per treatment.