Table 3.
Effect of experimental diets on Eimeria spp. challenged broiler chickens growth performance from 0 to 28 d of age.1
Item | NCU | NCC | OE500 C | OE1500 C | PCC | SEM 2 |
P-values3 |
||
---|---|---|---|---|---|---|---|---|---|
NCU vs. NCC | OE linear | OE nonlinear | |||||||
BW (g/bird) | |||||||||
0 d | 38.8 | 38.4 | 38.4 | 38.4 | 38.7 | 0.15 | 0.075 | 0.76 | 0.98 |
7 d | 145 | 126 | 130 | 128 | 128 | 4.10 | 0.003 | 0.87 | 0.53 |
14 d | 405 | 327 | 355 | 345 | 347 | 14.5 | <0.001 | 0.52 | 0.22 |
20 d | 779 | 646 | 683 | 685 | 663 | 23.6 | <0.001 | 0.32 | 0.41 |
28 d | 1,435 | 1,301 | 1,327 | 1,311 | 1,242 | 36.9 | 0.016 | 0.93 | 0.62 |
FI (g/bird) | |||||||||
0–7 d | 126 | 114 | 114 | 116 | 117 | 3.42 | 0.027 | 0.63 | 0.72 |
7–14 d | 313 | 268 | 297 | 277 | 275 | 11.7 | 0.011 | 0.86 | 0.082 |
14–20 d | 503 | 440 | 458 | 461 | 443 | 12.5 | 0.001 | 0.30 | 0.48 |
20–28 d | 995 | 951 | 972 | 969 | 919 | 26.5 | 0.25 | 0.69 | 0.64 |
0–14 d | 439 | 383 | 410 | 393 | 393 | 13.9 | 0.008 | 0.79 | 0.16 |
0–20 d | 942 | 823 | 869 | 855 | 835 | 25.0 | <0.001 | 0.50 | 0.26 |
0–28 d | 1,937 | 1,774 | 1,841 | 1,824 | 1,754 | 45.1 | 0.016 | 0.54 | 0.37 |
BWG (g/bird) | |||||||||
0–7 d | 106 | 87.6 | 91.3 | 89.2 | 89.3 | 4.09 | 0.004 | 0.88 | 0.53 |
7–14 d | 260 | 201 | 225 | 217 | 219 | 11.0 | <0.001 | 0.44 | 0.17 |
14–20 d | 374 | 319 | 328 | 340 | 316 | 11.9 | 0.003 | 0.23 | 0.89 |
20–28 d | 656 | 655 | 644 | 626 | 580 | 22.2 | 0.97 | 0.37 | 0.95 |
0–14 d | 366 | 288 | 317 | 306 | 308 | 14.5 | <0.001 | 0.52 | 0.22 |
0–20 d | 741 | 608 | 645 | 647 | 624 | 23.6 | <0.001 | 0.32 | 0.41 |
0–28 d | 1,397 | 1,263 | 1,289 | 1,272 | 1,203 | 36.9 | 0.016 | 0.93 | 0.62 |
FCR (g/g) | |||||||||
0–7 d | 1.20 | 1.34 | 1.25 | 1.31 | 1.34 | 0.034 | 0.006 | 0.80 | 0.068 |
7–14 d | 1.26 | 1.36 | 1.32 | 1.29 | 1.27 | 0.038 | 0.066 | 0.18 | 0.82 |
14–20 d | 1.36 | 1.41 | 1.42 | 1.45 | 1.43 | 0.027 | 0.22 | 0.29 | 0.85 |
20–28 d | 1.52 | 1.46 | 1.52 | 1.55 | 1.60 | 0.038 | 0.22 | 0.10 | 0.50 |
0–14 d | 1.24 | 1.35 | 1.30 | 1.29 | 1.29 | 0.031 | 0.012 | 0.21 | 0.43 |
0–20 d | 1.30 | 1.38 | 1.36 | 1.37 | 1.36 | 0.024 | 0.017 | 0.79 | 0.51 |
0–28 d | 1.39 | 1.41 | 1.43 | 1.43 | 1.46 | 0.024 | 0.49 | 0.53 | 0.67 |
Abbreviations: BWG, body weight gain; FCR, feed conversion ratio; FI, feed intake; OE, Olea europaea.
NCU, negative control with no additives and no challenge; NCC, OE500 C, OE1500 C, basal diet containing 0, 500, and 1,500 ppm of olive pomace extract and challenged, respectively; PCC, basal diet containing 500 ppm of Clinacox and challenged.
SEM (n = 10).
Challenged treatments were not significantly different by Tukey's test.