Table 5.
Dietary dose (mg/kg bw per day) | F1 | F2 | ||||||
---|---|---|---|---|---|---|---|---|
Control | 100 | 300 | 1,000 | Control | 100 | 300 | 1,000 | |
No of pups delivered | 309 | 332 | 286 | 294 | 292 | 276 | 261 | 233 |
Live‐born pups | 304a | 317a | 283a | 287a | 291 | 274 | 259 | 233 |
Stillborn/dead pups on PND 1 | 5a | 15a | 3a | 7a | 1 | 2 | 2 | 0 |
% males | 52.0a | 52.4a | 49.1a | 51.6a | 54.6 | 54.7 | 48.8 | 49.4 |
Litter size PND 1 | 12.7a | 13.8a | 13.5a | 13.7a | 14.6 | 14.4 | 15.2 | 13.7 |
Litter size PND 4 (pre‐cull) | 12.3a | 13.2a | 13.1a | 13.2a | 12.9 | 14.1 | 14.9 | 13.4 |
Litter size PND 4 (post‐cull) | 8.8a | 9.5a | 9.9a | 9.8a | – | – | – | – |
Litter size PND 21 | 8.3a | 9.1a | 9.6a | 9.5a | – | – | – | – |
Total litter loss PND 2–4 | 0a | 0a | 0a | 0a | 1 | 0 | 0 | 0 |
Litters with pup loss > 1 PND 2–4 | 1a | 1a | 2a | 2a | 3 | 1 | 0 | 1 |
Litters with pup loss > 0 PND 5–21 | 4a | 4a | 3a | 3a | – | – | – | – |
Calculated by the Panel based on individual data for F1.