Table 1.
Group characteristics
| UC | GC7 | GC8 | Low7 | Mod7 | Low8 | Mod8 | |
|---|---|---|---|---|---|---|---|
| N litters | 13 | 7 | 8 | 8 | 12 | 7 | 7 |
| N pups born (alive and dead) | 95 | 48 | 62 | 66 | 89 | 52 | 61 |
| % pups dead at birth | 7.4 | 10.4 | 1.6 | 4.5 | 4.5 | 1.9 | 3.3 |
| % pups dead within 1st weekb | 9.5 | 20.8 | 8.1 | 22.7a | 21.3a | 13.5 | 9.8 |
| % pups born on GD19 | 33.7 | 41.7 | 22.6 | 10.6a | 70.8a | 15.4 | 27.9 |
| % pups born on GD19 survive | 78.1 | 80.0 | 85.7 | 14.3a | 74.6a | 87.5 | 94.1 |
| % pups born on GD20 survive | 92.0 | 78.6 | 93.7 | 84.7 | 88.5 | 85.7 | 88.6 |
| N GD19 pups | 25 | 16 | 12 | 1c | 47 | 7 | 16 |
| N GD20 pups | 58 | 22 | 45 | 50 | 23 | 36 | 39 |
| N Male pups | 40 | 24 | 26 | 34 | 34 | 19 | 30 |
| N pups/litter raised (mean ± SD) | 6.4 ± 2.0 | 5.4 ± 2.1 | 7.1 ± 1.5 | 6.4 ± 2.9 | 5.8 ± 2.2 | 6.1 ± 1.2 | 7.9 ± 1.1 |
a
suggestive differences (p-value < 0.1) in comparison with the UC group; comparison based on Wald test in a mixed model accounting for litter-level correlations.
b
inclusive of dead at birth.
c
This pup is the only one in the category and is excluded from further analyses.
UC = Untreated control
GC7 = Gavage control treated on GD7
GC8 = Gavage control treated on GD8
Low7 = Low dose ethanol treatment on GD7
Mod7 = Moderate dose ethanol treatment on GD7
Low8 = Low dose ethanol treatment on GD8
Mod8 = Moderate dose ethanol treatment on GD8