|  | FI, kgc | BWG, kgd | FCRe |
---|
Mean | SE | Mean | SE | Mean | SE |
---|
UCf | NSh | 0.470 | 0.011 | 0.295 | 0.009 | 1.593 | 0.016 |
dl-Meti | 0.498 | 0.009 | 0.333 | 0.006 | 1.515 | 0.042 |
dl-MMetj | 0.493 | 0.015 | 0.315 | 0.015 | 1.568 | 0.115 |
ECg | NS | 0.428 | 0.006 | 0.183 | 0.009 | 2.378 | 0.108 |
dl-Met | 0.420 | 0.009 | 0.213 | 0.003 | 1.987 | 0.047 |
dl-MMet | 0.415 | 0.006 | 0.198 | 0.005 | 2.101 | 0.069 |
Main effects |
 Challenge | UC | 0.487a | 0.007 | 0.314a | 0.007 | 1.558b | 0.038 |
EC | 0.421b | 0.004 | 0.198b | 0.005 | 2.155a | 0.064 |
 Diet | NS | 0.449 | 0.010 | 0.239b | 0.022 | 1.985a | 0.157 |
dl-Met | 0.459 | 0.016 | 0.273a | 0.023 | 1.751b | 0.094 |
dl-MMet | 0.454 | 0.016 | 0.256ab | 0.023 | 1.834ab | 0.118 |
P-value |
 Challenge |   < 0.0001 |   < 0.0001 |   < 0.0001 |
 Diet |  0.6033 |  0.0038 |  0.0190 |
 Challenge × Diet |  0.1487 |  0.9062 |  0.1155 |
- a,bMeans in the same column followed by different letters differ significantly by the Tukey test, P < 0.05. Results are presented as mean ± standard error, SE. Each cage was considered an experimental unit, n = 8. No mortality was observed during the experimental period
- cFI Feed intake. Performance data were calculated taking into consideration a period of 6 days, that is, the period of 144 h post-inoculation, PI with Eimeria spp.
- dBWG Body weight gain. Performance data were calculated taking into consideration a period of 6 days, that is, the period of 144 h post-inoculation, PI with Eimeria spp.
- eFCR Feed conversion ratio. Performance data were calculated taking into consideration a period of 6 days, that is, the period of 144 h post-inoculation, PI with Eimeria spp.
- fUC Unchallenged broilers
- gEC Eimeria-challenged broilers
- hNS non-supplemented diet
- idl-Met diet supplemented with free methionine, dl-methionine 99%
- jdl-MMet diet supplemented with methionine dipeptide, dl-methionyl-dl-methionine 95%