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. 2018 Jun 11;13(6):e0199115. doi: 10.1371/journal.pone.0199115

Correction: Social environment during egg laying: Changes in plasma hormones with no consequences for yolk hormones or fecundity in female Japanese quail, Coturnix japonica

Esther M A Langen, Nikolaus von Engelhardt, Vivian C Goerlich-Jansson
PMCID: PMC5995393  PMID: 29889901

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


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