There are errors in Table 1. Standard deviation is reported instead of standard error of the mean (SEM) for post-challenge stress protocol. Erroneous mean and SEM values are present for group-housed females in the GnRH challenge. Please see the corrected Table 1 here.
Table 1. Measures of pair-housed and group-housed females and their offspring, with sample sizes.
| Measure | Pair-housed females | Group-housed females | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Mean ± 1 SEM | n | Excluded | Missing sample | Mean ± 1 SEM | n | Excluded | Missing sample | ||
| Female weight, day 65 | 235.09 g | 17 ♀♀ | 7 ♀♀ | 230.10 g | 33 ♀♀ | 3 ♀♀ | |||
| ± 5.35 | ± 2.60 | 11 groups | 1 group | ||||||
| Female weight, day 87 | 243.85 g | 13 ♀♀ | 11 ♀♀ | 241.67 g | 12 ♀♀ | 24 ♀♀ | |||
| ± 6.64 | ± 6.41 | 4 groups | 8 groups | ||||||
| Age at first egg | 45.48 days | 23 ♀♀ | 1 ♀ | 45.47 days | 36 ♀♀ | ||||
| ± 0.74 | ± 0.57 | 12 groups | |||||||
| Total nr of eggs collected | 0.66 eggs/♀/day | 361 eggs | 1 ♀ | 0.60 eggs/♀/day | 533 eggs | ||||
| ± 0.02 | 23 ♀♀ | ± 0.02 | 12 groups | ||||||
| Egg mass | 10.17 g | 324 eggs | 1 ♀ | 10.33 g | 531 eggs | ||||
| ± 0.06 | 23 ♀♀ | ± 0.04 | 12 groups | ||||||
| Stress protocol | Baseline | 2.77 ng/ml | 14 ♀♀ | 6 ♀♀ | 4 ♀♀ | 2.12 ng/ml | 24 ♀♀ | 3 ♀♀ | 9 ♀♀ |
| ± 0.22 | ± 0.14 | 11 groups | |||||||
| Post-challenge | 13.05 ng/ml | 14 ♀♀ | 11.05 ng/ml | 22 ♀♀ | 1 group | 11 ♀♀ | |||
| ± 1.66 | ± 1.65 | 11 groups | |||||||
| Yolk mass | 2.78 g | 51 eggs | 6 ♀♀ | 2.78 g | 73 eggs | 6 ♀♀ | |||
| ± 0.04 | 18 ♀♀ | ± 0.03 | 10 groups | 2 groups | |||||
| Yolk T | Concentration | 5.02 pg/mg | 17 eggs | 6 ♀♀ | 1 ♀ | 5.81 pg/mg | 24 eggs | 6 ♀♀ | |
| ± 0.89 | ± 0.86 | ||||||||
| Total | 14.07 ng | 17 ♀♀ | 15.86 ng | 10 groups | 2 groups | ||||
| ± 2.55 | ± 2.29 | ||||||||
| GnRH challenge | Baseline | 0.67 ng/ml | 16 ♀♀ | 7 ♀♀ | 1 ♀ | 0.51 ng/ml | 22 ♀♀ | 12 ♀♀ | 2 ♀♀ |
| ± 0.05 | ± 0.03 | 8 groups | |||||||
| Post-challenge | 0.72 ng/ml | 16 ♀♀ | 0.56 ng/ml | 22 ♀♀ | 4 groups | ||||
| ± 0.05 | ± 0.03 | 8 groups | |||||||
| Eggs for F1 | Eggs collected | 6.89 eggs/♀ | 124 eggs | 5 ♀♀ | 1 ♀1 | 6.46 eggs/♀ | 155 eggs | 6 ♀♀ | 6 ♀♀1 |
| ± 0.31 | ± 0.44 | ||||||||
| Eggs fertilized | 6.06 eggs/♀ | 5.08 eggs/♀ | |||||||
| ± 0.30 | 18 ♀♀ | ± 0.55 | 8 groups | 2 groups | |||||
| Eggs hatched | 3.72 eggs/♀ | 2.88 eggs/♀ | |||||||
| ± 0.46 | ± 0.52 | ||||||||
| F1 offspring | Mass at hatching | 7.18 g | 66 chicks | 5 ♀♀ | 2 ♀♀1, 2 | 7.10 g | 69 chicks | 6 ♀♀ | 10 ♀♀1, 2 |
| ± 0.08 | ± 0.06 | ||||||||
| Tarsus at hatching | 12.93 mm | 17 ♀♀ | 12.77 mm | 20 ♀♀ | 2 groups | ||||
| ± 0.06 | ± 0.07 | 8 groups | |||||||
1male infertile;
2females without offspring
Reference
- 1.Langen EMA, von Engelhardt N, Goerlich-Jansson VC (2017) Social environment during egg laying: Changes in plasma hormones with no consequences for yolk hormones or fecundity in female Japanese quail, Coturnix japonica. PLoS ONE 12(5): e0176146 https://doi.org/10.1371/journal.pone.0176146 [DOI] [PMC free article] [PubMed] [Google Scholar]
