Table 1 Tissue processing and egg production changes in chickens infected with the velogenic genotype VIId NDV
Day | Control group | Â | Â | Experimental group | Â | Â | Â | Â |
|---|---|---|---|---|---|---|---|---|
Total | Sample | Laying rate% | Total | Mortality | Autopsy | Sample | Laying rate % | |
0 | 45 | 0 | 91.1 (41/45) | 55 | 0 | 0 | 0 | 90.9 (50/55) |
1 | 45 | 5 | 87.5 (35/40) | 55 | 0 | 5 | 5 | 88.0 (44/50) |
3 | 40 | 5 | 88.6 (31/35) | 50 | 1 | 5 | 5 | 66.7 (30/45) |
4 | 35 | 0 | 91.4 (32/35) | 45 | 4 | 4 | 0 | 48.8 (20/41) |
5 | 35 | 5 | 90.0 (27/30) | 41 | 7 | 7 | 5 | 38.2 (13/34) |
6 | 30 | 0 | 90.0 (27/30) | 34 | 3 | 3 | 0 | 41.9 (13/31) |
7 | 30 | 5 | 88.0 (22/25) | 31 | 1 | 5 | 5 | 46.2 (12/26) |
9 | 25 | 5 | 90.0 (18/20) | 26 | 0 | 5 | 5 | 52.4 (11/21) |
11 | 20 | 5 | 86.7 (13/15) | 21 | 0 | 5 | 5 | 56.3 (9/16) |
15 | 15 | 5 | 90.0 (9/10) | 16 | 0 | 5 | 5 | 72.7 (8/11) |