Table 1 Mortality rate of chicks by group after Salmonella typhimurium (ST) infection.
Breeds | Group | Mortality rate (deadline) | Number | Strain |
|---|---|---|---|---|
Selection line 10th generation Batch 1 | selected | 2.8% (72 hpi) | 35 | ST:21484, CICC |
non-selected | 11.6% (72 hpi) | 60 | ||
Selection line 10th generation Batch 2 | selected | 12.0% (72 hpi) | 116 | ST:21484, CICC |
non-selected | 20.0% (72 hpi) | 30 | ||
Selection line 12th generation | selected | 4.44% (24 hpi) | 90 | ST:21484, CICC |
non-selected | 10.00% (24 hpi) | 90 |
